{"id":1679,"date":"2025-03-24T08:50:09","date_gmt":"2025-03-23T23:50:09","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1679"},"modified":"2025-03-24T08:50:09","modified_gmt":"2025-03-23T23:50:09","slug":"c%e6%bc%94%e7%ae%97%e5%ad%90%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%ef%bc%9a%e5%9f%ba%e7%a4%8e%e3%81%8b%e3%82%89%e5%bf%9c%e7%94%a8%e3%81%be%e3%81%a7%e8%a7%a3%e8%aa%ac%e3%81%99%e3%82%8b15","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1679","title":{"rendered":"C++\u6f14\u7b97\u5b50\u5b8c\u5168\u30ac\u30a4\u30c9\uff1a\u57fa\u790e\u304b\u3089\u5fdc\u7528\u307e\u3067\u89e3\u8aac\u3059\u308b15\u306e\u91cd\u8981\u30dd\u30a4\u30f3\u30c8"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">C++\u6f14\u7b97\u306e\u57fa\u790e\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u6f14\u7b97\u5b50\u3068\u306f\u4f55\u304b\uff1a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u6f14\u7b97\u306e\u5f79\u5272<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">C++\u3067\u5229\u7528\u53ef\u80fd\u306a\u6f14\u7b97\u306e\u7a2e\u985e\u3068\u7279\u5fb4<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">\u7b97\u8853\u6f14\u7b97\u306e\u8a73\u7d30\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u57fa\u672c\u7684\u306a\u56db\u5247\u6f14\u7b97\u306e\u4f7f\u3044\u65b9\u3068\u6ce8\u610f\u70b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-13\">\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u306e\u6319\u52d5\u3092\u7406\u89e3\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-16\">\u6bd4\u8f03\u6f14\u7b97\u5b50\u3068\u30d6\u30fc\u30eb\u6f14\u7b97\u306e\u30de\u30b9\u30bf\u30fc<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u7b49\u5024\u6bd4\u8f03\u3068\u95a2\u4fc2\u6f14\u7b97\u5b50\u306e\u6b63\u3057\u3044\u4f7f\u7528\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-21\">\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u6761\u4ef6\u5f0f\u306e\u69cb\u7bc9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-25\">\u30d3\u30c3\u30c8\u6f14\u7b97\u306e\u5b9f\u8df5\u7684\u6d3b\u7528\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-26\">\u30d3\u30c3\u30c8\u30b7\u30d5\u30c8\u6f14\u7b97\u5b50\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-29\">\u30d3\u30c3\u30c8\u5358\u4f4d\u306e\u8ad6\u7406\u6f14\u7b97\u3067\u52b9\u7387\u7684\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-33\">\u4ee3\u5165\u6f14\u7b97\u5b50\u3068\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u306e\u4f7f\u3044\u3053\u306a\u3057<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-34\">\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306b\u3088\u308b\u30af\u30e9\u30b9\u8a2d\u8a08\u306e\u6539\u5584<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-37\">\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u30b3\u30fc\u30c9\u306e\u6700\u9069\u5316<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-41\">\u7279\u6b8a\u6f14\u7b97\u5b50\u306e\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-42\">\u6761\u4ef6\u6f14\u7b97\u5b50\uff08\u4e09\u9805\u6f14\u7b97\u5b50\uff09\u3067\u53ef\u8aad\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-46\">\u30ab\u30f3\u30de\u6f14\u7b97\u5b50\u3068\u30e1\u30f3\u30d0\u30a2\u30af\u30bb\u30b9\u6f14\u7b97\u5b50\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-50\">\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u5b9f\u8df5\u30ac\u30a4\u30c9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-51\">\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306e\u57fa\u672c\u539f\u5247\u3068\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-54\">\u3088\u304f\u3042\u308b\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306e\u30df\u30b9\u3068\u305d\u306e\u56de\u907f\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-58\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-59\">\u6f14\u7b97\u5b50\u306e\u4f7f\u7528\u6642\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8003\u616e\u4e8b\u9805<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-62\">\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u3068\u6f14\u7b97\u306e\u95a2\u4fc2\u6027\u3092\u7406\u89e3\u3059\u308b<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">C++\u6f14\u7b97\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u6f14\u7b97\u5b50\u3068\u306f\u4f55\u304b\uff1a\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u6f14\u7b97\u306e\u5f79\u5272<\/h3>\n\n\n\n<p>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u6f14\u7b97\u5b50\u306f\u3001\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u7279\u5b9a\u306e\u64cd\u4f5c\u3092\u884c\u3046\u305f\u3081\u306e\u8a18\u53f7\u3084\u5358\u8a9e\u3067\u3059\u3002C++\u3067\u306f\u3001\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5024\u306e\u8a08\u7b97\u3001\u6bd4\u8f03\u3001\u8ad6\u7406\u5224\u65ad\u306a\u3069\u306e\u69d8\u3005\u306a\u64cd\u4f5c\u3092\u52b9\u7387\u7684\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6f14\u7b97\u5b50\u306e\u57fa\u672c\u7684\u306a\u5f79\u5272\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5024\u306e\u5909\u66f4\u3068\u8a08\u7b97<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u5024\u306e\u52a0\u7b97\u3001\u6e1b\u7b97\u3001\u4e57\u7b97\u3001\u9664\u7b97<\/li>\n\n\n\n<li>\u5909\u6570\u306e\u5024\u306e\u5897\u6e1b<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8\u64cd\u4f5c\u306b\u3088\u308b\u5024\u306e\u5909\u66f4<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5236\u5fa1<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6761\u4ef6\u5206\u5c90\u306e\u5224\u65ad<\/li>\n\n\n\n<li>\u30eb\u30fc\u30d7\u306e\u5236\u5fa1<\/li>\n\n\n\n<li>\u8ad6\u7406\u7684\u306a\u5224\u65ad<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u64cd\u4f5c<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u751f\u6210\u3068\u524a\u9664<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u306e\u78ba\u4fdd\u3068\u89e3\u653e<\/li>\n\n\n\n<li>\u30dd\u30a4\u30f3\u30bf\u64cd\u4f5c<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">C++\u3067\u5229\u7528\u53ef\u80fd\u306a\u6f14\u7b97\u306e\u7a2e\u985e\u3068\u7279\u5fb4<\/h3>\n\n\n\n<p>C++\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u69d8\u3005\u306a\u7a2e\u985e\u306e\u6f14\u7b97\u5b50\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-3\">1. \u7b97\u8853\u6f14\u7b97\u5b50<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int a = 10, b = 3;\nint sum = a + b;      \/\/ \u52a0\u7b97: 13\nint diff = a - b;     \/\/ \u6e1b\u7b97: 7\nint prod = a * b;     \/\/ \u4e57\u7b97: 30\nint quot = a \/ b;     \/\/ \u9664\u7b97: 3\nint rem = a % b;      \/\/ \u5270\u4f59: 1<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-4\">2. \u95a2\u4fc2\u6f14\u7b97\u5b50<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">bool isEqual = (a == b);     \/\/ false\nbool isGreater = (a &gt; b);    \/\/ true\nbool isLessEq = (a &lt;= b);    \/\/ false<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-5\">3. \u8ad6\u7406\u6f14\u7b97\u5b50<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">bool condition1 = true, condition2 = false;\nbool andResult = condition1 &amp;&amp; condition2;  \/\/ false\nbool orResult = condition1 || condition2;   \/\/ true\nbool notResult = !condition1;               \/\/ false<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-6\">4. \u30d3\u30c3\u30c8\u6f14\u7b97\u5b50<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int x = 5;    \/\/ \u4e8c\u9032\u6570: 0101\nint y = 3;    \/\/ \u4e8c\u9032\u6570: 0011\nint andOp = x &amp; y;    \/\/ \u30d3\u30c3\u30c8AND: 0001 (1)\nint orOp = x | y;     \/\/ \u30d3\u30c3\u30c8OR:  0111 (7)\nint xorOp = x ^ y;    \/\/ \u30d3\u30c3\u30c8XOR: 0110 (6)<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-7\">5. \u4ee3\u5165\u6f14\u7b97\u5b50<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int value = 10;           \/\/ \u57fa\u672c\u7684\u306a\u4ee3\u5165\nvalue += 5;               \/\/ \u52a0\u7b97\u4ee3\u5165\uff08value = value + 5\uff09\nvalue *= 2;               \/\/ \u4e57\u7b97\u4ee3\u5165\uff08value = value * 2\uff09<\/pre>\n\n\n\n<p>\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u3068\u7d50\u5408\u898f\u5247\u306f\u3001\u5f0f\u306e\u8a55\u4fa1\u9806\u5e8f\u3092\u6c7a\u5b9a\u3059\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\uff1a<\/p>\n\n\n<div id=\"id-4c9db399-b50c-4a2b-9faf-e5537c55366a\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u512a\u5148\u9806\u4f4d<\/th><th>\u6f14\u7b97\u5b50<\/th><th>\u7d50\u5408\u898f\u5247<\/th><\/tr><\/thead><tbody><tr><td>\u9ad8<\/td><td>::<\/td><td>\u5de6\u304b\u3089\u53f3<\/td><\/tr><tr><td><\/td><td>() [] -&gt; .<\/td><td>\u5de6\u304b\u3089\u53f3<\/td><\/tr><tr><td><\/td><td>! ~ ++ \u2014<\/td><td>\u53f3\u304b\u3089\u5de6<\/td><\/tr><tr><td><\/td><td>* \/ %<\/td><td>\u5de6\u304b\u3089\u53f3<\/td><\/tr><tr><td><\/td><td>+ \u2013<\/td><td>\u5de6\u304b\u3089\u53f3<\/td><\/tr><tr><td><\/td><td>&lt;&lt; &gt;&gt;<\/td><td>\u5de6\u304b\u3089\u53f3<\/td><\/tr><tr><td>\u4f4e<\/td><td>= += -= *= \/=<\/td><td>\u53f3\u304b\u3089\u5de6<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u306e\u57fa\u790e\u77e5\u8b58\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001C++\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u6f14\u7b97\u5b50\u306e\u52b9\u679c\u7684\u306a\u4f7f\u7528\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6f14\u7b97\u5b50\u306e\u8a73\u7d30\u306a\u4f7f\u7528\u65b9\u6cd5\u3068\u5b9f\u8df5\u7684\u306a\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">\u7b97\u8853\u6f14\u7b97\u306e\u8a73\u7d30\u89e3\u8aac<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u57fa\u672c\u7684\u306a\u56db\u5247\u6f14\u7b97\u306e\u4f7f\u3044\u65b9\u3068\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>C++\u306b\u304a\u3051\u308b\u56db\u5247\u6f14\u7b97\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u790e\u3068\u306a\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u5404\u6f14\u7b97\u306e\u7279\u5fb4\u3068\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-10\">1. \u6574\u6570\u306e\u6f14\u7b97\u3068\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u6f14\u7b97<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u6574\u6570\u306e\u6f14\u7b97\nint a = 10, b = 3;\nint division_result = a \/ b;      \/\/ \u7d50\u679c: 3\uff08\u5c0f\u6570\u70b9\u4ee5\u4e0b\u5207\u308a\u6368\u3066\uff09\ndouble precise_result = static_cast&lt;double&gt;(a) \/ b;  \/\/ \u7d50\u679c: 3.333...\n\n\/\/ \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u6f14\u7b97\ndouble x = 10.5, y = 3.2;\ndouble result = x \/ y;            \/\/ \u7d50\u679c: 3.28125<\/pre>\n\n\n\n<p>\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6574\u6570\u540c\u58eb\u306e\u9664\u7b97\u306f\u5c0f\u6570\u70b9\u4ee5\u4e0b\u304c\u5207\u308a\u6368\u3066\u3089\u308c\u307e\u3059<\/li>\n\n\n\n<li>\u7cbe\u5ea6\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u3001\u30ad\u30e3\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u3066\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306b\u5909\u63db\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u6f14\u7b97\u3067\u306f\u3001\u8aa4\u5dee\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-11\">2. \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3068\u30a2\u30f3\u30c0\u30fc\u30d5\u30ed\u30fc\u3078\u306e\u5bfe\u51e6<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;limits&gt;\n\n\/\/ \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u4f8b\nint max_int = std::numeric_limits&lt;int&gt;::max();\nint overflow_result = max_int + 1;  \/\/ \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u767a\u751f\n\n\/\/ \u5b89\u5168\u306a\u6f14\u7b97\u306e\u4f8b\nif (a &gt; std::numeric_limits&lt;int&gt;::max() - b) {\n    \/\/ \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u9632\u6b62\u306e\u51e6\u7406\n    std::cerr &lt;&lt; \"\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\" &lt;&lt; std::endl;\n} else {\n    int safe_result = a + b;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-12\">3. \u5270\u4f59\u6f14\u7b97\u306e\u6d3b\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5076\u6570\u30fb\u5947\u6570\u306e\u5224\u5b9a\nbool isEven = (number % 2 == 0);\n\n\/\/ \u5faa\u74b0\u3059\u308b\u5024\u306e\u751f\u6210\uff08\u4f8b\uff1a0-359\u5ea6\u306e\u89d2\u5ea6\uff09\nint angle = (degree % 360 + 360) % 360;  \/\/ \u8ca0\u306e\u5024\u3082\u9069\u5207\u306b\u51e6\u7406\n\n\/\/ \u5468\u671f\u7684\u306a\u51e6\u7406\nint hour = (current_hour + hours_to_add) % 24;  \/\/ 24\u6642\u9593\u8868\u8a18<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u306e\u6319\u52d5\u3092\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<p>\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\uff08++\uff09\u3068\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\uff08\u2013\uff09\u6f14\u7b97\u5b50\u306f\u3001\u5909\u6570\u306e\u5024\u30921\u5897\u6e1b\u3055\u305b\u308b\u6f14\u7b97\u5b50\u3067\u3059\u304c\u3001\u524d\u7f6e\u3068\u5f8c\u7f6e\u3067\u7570\u306a\u308b\u6319\u52d5\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-14\">1. \u524d\u7f6e\u6f14\u7b97\u5b50\u3068\u5f8c\u7f6e\u6f14\u7b97\u5b50\u306e\u9055\u3044<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int x = 5;\nint y = 5;\n\n\/\/ \u524d\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\nint pre_inc = ++x;   \/\/ x = 6, pre_inc = 6\n\/\/ \u5f8c\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\nint post_inc = y++;  \/\/ y = 6, post_inc = 5\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u9055\u3044\nclass Complex {\n    \/\/ ... \u30e1\u30f3\u30d0\u30fc\u5909\u6570\u3068\u4ed6\u306e\u30e1\u30bd\u30c3\u30c9 ...\npublic:\n    \/\/ \u524d\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\uff08\u52b9\u7387\u7684\uff09\n    Complex&amp; operator++() {\n        \/\/ \u5024\u3092\u5897\u52a0\u3055\u305b\u3066\u53c2\u7167\u3092\u8fd4\u3059\n        return *this;\n    }\n\n    \/\/ \u5f8c\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\uff08\u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u5fc5\u8981\uff09\n    Complex operator++(int) {\n        Complex temp = *this;  \/\/ \u30b3\u30d4\u30fc\u3092\u4f5c\u6210\n        ++(*this);            \/\/ \u5024\u3092\u5897\u52a0\n        return temp;          \/\/ \u30b3\u30d4\u30fc\u3092\u8fd4\u3059\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-15\">2. \u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b\u3068\u6ce8\u610f\u70b9<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u3067\u306e\u4f7f\u7528\nstd::vector&lt;int&gt; vec = {1, 2, 3, 4, 5};\nfor (auto it = vec.begin(); it != vec.end(); ++it) {  \/\/ \u524d\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3092\u63a8\u5968\n    std::cout &lt;&lt; *it &lt;&lt; std::endl;\n}\n\n\/\/ \u8907\u5408\u5f0f\u3067\u306e\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\nint a = 1;\nint b = 2;\nint result = a + ++b;  \/\/ \u660e\u78ba\u306a\u7d50\u679c: b=3, result=4\n\nint x = 1;\nint y = 2;\nint unclear = x + y++;  \/\/ \u672a\u5b9a\u7fa9\u306e\u52d5\u4f5c\u3092\u907f\u3051\u308b\u305f\u3081\u975e\u63a8\u5968<\/pre>\n\n\n\n<p>\u6700\u9069\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u305f\u3081\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5358\u7d14\u306a\u6570\u5024\u578b\u306e\u5834\u5408\u3001\u524d\u7f6e\u30fb\u5f8c\u7f6e\u306e\u6027\u80fd\u5dee\u306f\u7121\u8996\u3067\u304d\u307e\u3059<\/li>\n\n\n\n<li>\u30af\u30e9\u30b9\u578b\u3067\u306f\u3001\u524d\u7f6e\u6f14\u7b97\u5b50\u3092\u512a\u5148\u3057\u3066\u4f7f\u7528\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u8907\u5408\u5f0f\u3067\u306f\u3001\u53ef\u8aad\u6027\u306e\u305f\u3081\u306b\u524d\u7f6e\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u64cd\u4f5c\u3067\u306f\u3001\u5e38\u306b\u524d\u7f6e\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u7684\u306a\u7b97\u8853\u6f14\u7b97\u306e\u7406\u89e3\u306f\u3001\u52b9\u7387\u7684\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044C++\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3059\u308b\u4e0a\u3067\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u77e5\u8b58\u3092\u6d3b\u7528\u3057\u305f\u6bd4\u8f03\u6f14\u7b97\u5b50\u3068\u30d6\u30fc\u30eb\u6f14\u7b97\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">\u6bd4\u8f03\u6f14\u7b97\u5b50\u3068\u30d6\u30fc\u30eb\u6f14\u7b97\u306e\u30de\u30b9\u30bf\u30fc<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u7b49\u5024\u6bd4\u8f03\u3068\u95a2\u4fc2\u6f14\u7b97\u5b50\u306e\u6b63\u3057\u3044\u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<p>C++\u306b\u304a\u3051\u308b\u6bd4\u8f03\u6f14\u7b97\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5236\u5fa1\u30d5\u30ed\u30fc\u3092\u6c7a\u5b9a\u3059\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u6bd4\u8f03\u6f14\u7b97\u5b50\u306e\u6b63\u3057\u3044\u4f7f\u7528\u65b9\u6cd5\u3068\u4e00\u822c\u7684\u306a\u843d\u3068\u3057\u7a74\u3092\u907f\u3051\u308b\u305f\u3081\u306e\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-18\">1. \u57fa\u672c\u7684\u306a\u6bd4\u8f03\u6f14\u7b97\u5b50<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int a = 10, b = 20;\nbool equal = (a == b);         \/\/ false: \u7b49\u5024\u6bd4\u8f03\nbool not_equal = (a != b);     \/\/ true: \u975e\u7b49\u5024\u6bd4\u8f03\nbool greater = (a &gt; b);        \/\/ false: \u3088\u308a\u5927\u304d\u3044\nbool less = (a &lt; b);          \/\/ true: \u3088\u308a\u5c0f\u3055\u3044\nbool greater_eq = (a &gt;= b);    \/\/ false: \u4ee5\u4e0a\nbool less_eq = (a &lt;= b);      \/\/ true: \u4ee5\u4e0b<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-19\">2. \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u6bd4\u8f03\u306b\u304a\u3051\u308b\u6ce8\u610f\u70b9<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;cmath&gt;\n#include &lt;limits&gt;\n\n\/\/ \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u6bd4\u8f03\ndouble x = 0.1 + 0.2;\ndouble y = 0.3;\n\n\/\/ \u76f4\u63a5\u6bd4\u8f03\u306f\u5371\u967a\uff08\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u8aa4\u5dee\u306b\u3088\u308a\uff09\nbool incorrect = (x == y);  \/\/ \u4e88\u671f\u305b\u306c\u7d50\u679c\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\n\n\/\/ \u30a4\u30d7\u30b7\u30ed\u30f3\u3092\u4f7f\u7528\u3057\u305f\u5b89\u5168\u306a\u6bd4\u8f03\nbool isEqual = std::abs(x - y) &lt; std::numeric_limits&lt;double&gt;::epsilon();\n\n\/\/ \u30ab\u30b9\u30bf\u30e0\u95a2\u6570\u3092\u4f5c\u6210\u3057\u3066\u6bd4\u8f03\nbool approximatelyEqual(double a, double b, double epsilon = std::numeric_limits&lt;double&gt;::epsilon()) {\n    return std::abs(a - b) &lt;= epsilon * std::max(std::abs(a), std::abs(b));\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-20\">3. \u30dd\u30a4\u30f3\u30bf\u306e\u6bd4\u8f03<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int* ptr1 = new int(10);\nint* ptr2 = new int(10);\nint* ptr3 = ptr1;\n\n\/\/ \u30a2\u30c9\u30ec\u30b9\u306e\u6bd4\u8f03\nbool ptr_equal = (ptr1 == ptr2);  \/\/ false: \u7570\u306a\u308b\u30e1\u30e2\u30ea\u4f4d\u7f6e\nbool ptr_same = (ptr1 == ptr3);   \/\/ true: \u540c\u3058\u30e1\u30e2\u30ea\u4f4d\u7f6e\u3092\u6307\u3059\n\n\/\/ null\u30dd\u30a4\u30f3\u30bf\u306e\u78ba\u8a8d\nint* null_ptr = nullptr;\nif (null_ptr == nullptr) {\n    \/\/ null\u30dd\u30a4\u30f3\u30bf\u306e\u51e6\u7406\n}\n\n\/\/ \u30e1\u30e2\u30ea\u89e3\u653e\u3092\u5fd8\u308c\u305a\u306b\ndelete ptr1;\ndelete ptr2;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u6761\u4ef6\u5f0f\u306e\u69cb\u7bc9<\/h3>\n\n\n\n<p>\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u8907\u96d1\u306a\u6761\u4ef6\u3092\u69cb\u7bc9\u3059\u308b\u65b9\u6cd5\u3068\u3001\u52b9\u7387\u7684\u306a\u8a55\u4fa1\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-22\">1. \u57fa\u672c\u7684\u306a\u8ad6\u7406\u6f14\u7b97\u5b50<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">bool condition1 = true;\nbool condition2 = false;\n\n\/\/ \u8ad6\u7406AND\nbool and_result = condition1 &amp;&amp; condition2;  \/\/ false\n\n\/\/ \u8ad6\u7406OR\nbool or_result = condition1 || condition2;   \/\/ true\n\n\/\/ \u8ad6\u7406NOT\nbool not_result = !condition1;               \/\/ false<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-23\">2. \u77ed\u7d61\u8a55\u4fa1\uff08\u30b7\u30e7\u30fc\u30c8\u30b5\u30fc\u30ad\u30c3\u30c8\uff09\u306e\u6d3b\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Resource {\npublic:\n    bool initialize() { \/* \u521d\u671f\u5316\u51e6\u7406 *\/ return true; }\n    bool isValid() const { \/* \u6709\u52b9\u6027\u30c1\u30a7\u30c3\u30af *\/ return true; }\n};\n\nResource* ptr = nullptr;\n\n\/\/ \u77ed\u7d61\u8a55\u4fa1\u3092\u5229\u7528\u3057\u305f\u5b89\u5168\u306a\u30c1\u30a7\u30c3\u30af\nif (ptr &amp;&amp; ptr-&gt;isValid() &amp;&amp; ptr-&gt;initialize()) {\n    \/\/ ptr\u304cnull\u3067\u306a\u304f\u3001\u6709\u52b9\u3067\u3001\u521d\u671f\u5316\u306b\u6210\u529f\u3057\u305f\u5834\u5408\n}\n\n\/\/ \u5225\u306e\u4f8b\uff1a\u9664\u7b97\u6642\u306e\u30bc\u30ed\u30c1\u30a7\u30c3\u30af\nint denominator = 0;\nif (denominator != 0 &amp;&amp; (100 \/ denominator &gt; 10)) {\n    \/\/ \u5b89\u5168\u306a\u9664\u7b97\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-24\">3. \u8907\u96d1\u306a\u6761\u4ef6\u5f0f\u306e\u69cb\u7bc9\u3068\u6700\u9069\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u7bc4\u56f2\u30c1\u30a7\u30c3\u30af\nint value = 75;\nbool in_range = (value &gt;= 0 &amp;&amp; value &lt;= 100);\n\n\/\/ \u8907\u6570\u6761\u4ef6\u306e\u7d44\u307f\u5408\u308f\u305b\nenum class UserType { Admin, Manager, User };\nenum class Permission { Read, Write, Execute };\n\nUserType user_type = UserType::Manager;\nPermission required_permission = Permission::Write;\n\nbool hasAccess = \n    (user_type == UserType::Admin) ||\n    (user_type == UserType::Manager &amp;&amp; required_permission != Permission::Execute);\n\n\/\/ \u6761\u4ef6\u5f0f\u306e\u5206\u5272\u3068\u53ef\u8aad\u6027\u306e\u5411\u4e0a\nbool isValidUser(UserType type, Permission perm) {\n    \/\/ \u7ba1\u7406\u8005\u306f\u5168\u3066\u306e\u6a29\u9650\u3092\u6301\u3064\n    if (type == UserType::Admin) return true;\n\n    \/\/ \u30de\u30cd\u30fc\u30b8\u30e3\u30fc\u306f\u5b9f\u884c\u6a29\u9650\u4ee5\u5916\u3092\u6301\u3064\n    if (type == UserType::Manager) {\n        return perm != Permission::Execute;\n    }\n\n    \/\/ \u4e00\u822c\u30e6\u30fc\u30b6\u30fc\u306f\u8aad\u307f\u53d6\u308a\u6a29\u9650\u306e\u307f\n    return perm == Permission::Read;\n}<\/pre>\n\n\n\n<p>\u6027\u80fd\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30d2\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6700\u3082\u53ef\u80fd\u6027\u306e\u9ad8\u3044\u6761\u4ef6\u3092\u6700\u521d\u306b\u914d\u7f6e\u3059\u308b<\/li>\n\n\n\n<li>\u8a08\u7b97\u30b3\u30b9\u30c8\u306e\u4f4e\u3044\u6761\u4ef6\u3092\u5148\u306b\u8a55\u4fa1\u3059\u308b<\/li>\n\n\n\n<li>\u526f\u4f5c\u7528\u306e\u3042\u308b\u5f0f\u306f\u614e\u91cd\u306b\u914d\u7f6e\u3059\u308b<\/li>\n\n\n\n<li>\u8907\u96d1\u306a\u6761\u4ef6\u306f\u95a2\u6570\u306b\u5206\u5272\u3057\u3066\u53ef\u8aad\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6bd4\u8f03\u6f14\u7b97\u5b50\u3068\u30d6\u30fc\u30eb\u6f14\u7b97\u306e\u9069\u5207\u306a\u4f7f\u7528\u306f\u3001\u30d0\u30b0\u306e\u5c11\u306a\u3044\u5805\u7262\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u4e0a\u3067\u91cd\u8981\u3067\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-25\">\u30d3\u30c3\u30c8\u6f14\u7b97\u306e\u5b9f\u8df5\u7684\u6d3b\u7528\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-26\">\u30d3\u30c3\u30c8\u30b7\u30d5\u30c8\u6f14\u7b97\u5b50\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u9069\u5316\u3059\u308b<\/h3>\n\n\n\n<p>\u30d3\u30c3\u30c8\u30b7\u30d5\u30c8\u6f14\u7b97\u5b50\u306f\u3001\u5358\u306a\u308b\u30d3\u30c3\u30c8\u64cd\u4f5c\u3060\u3051\u3067\u306a\u304f\u3001\u52b9\u7387\u7684\u306a\u8a08\u7b97\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306e\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-27\">1. \u57fa\u672c\u7684\u306a\u30d3\u30c3\u30c8\u30b7\u30d5\u30c8\u6f14\u7b97<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">int x = 8;    \/\/ \u4e8c\u9032\u6570: 0000 1000\nint left_shift = x &lt;&lt; 1;   \/\/ 16 (0001 0000) - 2\u500d\nint right_shift = x &gt;&gt; 1;  \/\/ 4  (0000 0100) - 2\u3067\u5272\u308b\n\n\/\/ \u8ca0\u306e\u6570\u306e\u30b7\u30d5\u30c8\u6f14\u7b97\nint negative = -8;\nint arithmetic_right = negative &gt;&gt; 1;  \/\/ -4\uff08\u7b97\u8853\u53f3\u30b7\u30d5\u30c8\uff09\nunsigned int logical_right = static_cast&lt;unsigned int&gt;(negative) &gt;&gt; 1;  \/\/ \u8ad6\u7406\u53f3\u30b7\u30d5\u30c8<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-28\">2. \u9ad8\u901f\u306a\u4e57\u9664\u7b97\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class FastMath {\npublic:\n    \/\/ 2\u306e\u3079\u304d\u4e57\u3067\u306e\u4e57\u7b97\n    static int multiplyByPowerOfTwo(int value, unsigned int power) {\n        return value &lt;&lt; power;  \/\/ value * (2^power)\n    }\n\n    \/\/ 2\u306e\u3079\u304d\u4e57\u3067\u306e\u9664\u7b97\n    static int divideByPowerOfTwo(int value, unsigned int power) {\n        return value &gt;&gt; power;  \/\/ value \/ (2^power)\n    }\n\n    \/\/ \u5207\u308a\u4e0a\u3052\u9664\u7b97\u306e\u6700\u9069\u5316\n    static int ceilDivByPowerOfTwo(int value, unsigned int power) {\n        int mask = (1 &lt;&lt; power) - 1;\n        return (value + mask) &gt;&gt; power;\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nint result1 = FastMath::multiplyByPowerOfTwo(5, 3);  \/\/ 5 * 2^3 = 40\nint result2 = FastMath::divideByPowerOfTwo(40, 3);   \/\/ 40 \/ 2^3 = 5<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-29\">\u30d3\u30c3\u30c8\u5358\u4f4d\u306e\u8ad6\u7406\u6f14\u7b97\u3067\u52b9\u7387\u7684\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f<\/h3>\n\n\n\n<p>\u30d3\u30c3\u30c8\u6f14\u7b97\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u52b9\u7387\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-30\">1. \u30d5\u30e9\u30b0\u64cd\u4f5c\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Permissions {\npublic:\n    static const unsigned int NONE      = 0;        \/\/ 0000\n    static const unsigned int READ      = 1 &lt;&lt; 0;   \/\/ 0001\n    static const unsigned int WRITE     = 1 &lt;&lt; 1;   \/\/ 0010\n    static const unsigned int EXECUTE   = 1 &lt;&lt; 2;   \/\/ 0100\n    static const unsigned int ALL       = READ | WRITE | EXECUTE;\n\n    unsigned int flags;\n\n    \/\/ \u30d5\u30e9\u30b0\u306e\u8a2d\u5b9a\n    void setPermission(unsigned int perm) {\n        flags |= perm;\n    }\n\n    \/\/ \u30d5\u30e9\u30b0\u306e\u89e3\u9664\n    void removePermission(unsigned int perm) {\n        flags &amp;= ~perm;\n    }\n\n    \/\/ \u30d5\u30e9\u30b0\u306e\u30c1\u30a7\u30c3\u30af\n    bool hasPermission(unsigned int perm) const {\n        return (flags &amp; perm) == perm;\n    }\n\n    \/\/ \u8907\u6570\u30d5\u30e9\u30b0\u306e\u4e00\u62ec\u30c1\u30a7\u30c3\u30af\n    bool hasAnyPermission(unsigned int perm) const {\n        return (flags &amp; perm) != 0;\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nPermissions p;\np.setPermission(Permissions::READ | Permissions::WRITE);\nbool canRead = p.hasPermission(Permissions::READ);  \/\/ true<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-31\">2. \u30d3\u30c3\u30c8\u30de\u30b9\u30af\u3092\u4f7f\u7528\u3057\u305f\u6700\u9069\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class BitOperations {\npublic:\n    \/\/ \u6700\u4e0b\u4f4d\u30d3\u30c3\u30c8\u306e\u53d6\u5f97\n    static int getLowestSetBit(int value) {\n        return value &amp; -value;\n    }\n\n    \/\/ \u6700\u4e0b\u4f4d\u30d3\u30c3\u30c8\u306e\u30af\u30ea\u30a2\n    static int clearLowestSetBit(int value) {\n        return value &amp; (value - 1);\n    }\n\n    \/\/ 1\u306e\u30d3\u30c3\u30c8\u3092\u30ab\u30a6\u30f3\u30c8\n    static int countSetBits(int value) {\n        int count = 0;\n        while (value) {\n            value = clearLowestSetBit(value);\n            count++;\n        }\n        return count;\n    }\n\n    \/\/ \u7279\u5b9a\u306e\u4f4d\u7f6e\u306e\u30d3\u30c3\u30c8\u3092\u53cd\u8ee2\n    static int toggleBit(int value, int position) {\n        return value ^ (1 &lt;&lt; position);\n    }\n};\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u4f8b\nclass BitMatrix {\n    std::vector&lt;unsigned long&gt; data;\n    size_t rows, cols;\n\npublic:\n    BitMatrix(size_t r, size_t c) \n        : rows(r), cols(c) {\n        data.resize((r * c + 63) \/ 64, 0);  \/\/ 64\u30d3\u30c3\u30c8\u3054\u3068\u306b\u30d1\u30c3\u30af\n    }\n\n    void set(size_t row, size_t col, bool value) {\n        size_t index = row * cols + col;\n        size_t word_index = index \/ 64;\n        size_t bit_index = index % 64;\n\n        if (value) {\n            data[word_index] |= (1UL &lt;&lt; bit_index);\n        } else {\n            data[word_index] &amp;= ~(1UL &lt;&lt; bit_index);\n        }\n    }\n\n    bool get(size_t row, size_t col) const {\n        size_t index = row * cols + col;\n        size_t word_index = index \/ 64;\n        size_t bit_index = index % 64;\n\n        return (data[word_index] &amp; (1UL &lt;&lt; bit_index)) != 0;\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-32\">3. \u5b9f\u8df5\u7684\u306a\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class OptimizationTechniques {\npublic:\n    \/\/ 2\u306e\u7d2f\u4e57\u304b\u3069\u3046\u304b\u306e\u30c1\u30a7\u30c3\u30af\n    static bool isPowerOfTwo(int value) {\n        return value &gt; 0 &amp;&amp; (value &amp; (value - 1)) == 0;\n    }\n\n    \/\/ \u6b21\u306e2\u306e\u7d2f\u4e57\u3092\u6c42\u3081\u308b\n    static unsigned int nextPowerOfTwo(unsigned int value) {\n        value--;\n        value |= value &gt;&gt; 1;\n        value |= value &gt;&gt; 2;\n        value |= value &gt;&gt; 4;\n        value |= value &gt;&gt; 8;\n        value |= value &gt;&gt; 16;\n        return value + 1;\n    }\n\n    \/\/ \u7b26\u53f7\u306a\u3057\u6574\u6570\u306e\u9664\u7b97\u306e\u5207\u308a\u4e0a\u3052\n    static unsigned int ceilDiv(unsigned int x, unsigned int y) {\n        return (x + y - 1) \/ y;\n    }\n};<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d3\u30c3\u30c8\u6f14\u7b97\u30c6\u30af\u30cb\u30c3\u30af\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u90e8\u5206\u3084\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u6709\u52b9\u3067\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4ee3\u5165\u6f14\u7b97\u5b50\u3068\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u306e\u4f7f\u3044\u3053\u306a\u3057\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-33\">\u4ee3\u5165\u6f14\u7b97\u5b50\u3068\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u306e\u4f7f\u3044\u3053\u306a\u3057<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-34\">\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306b\u3088\u308b\u30af\u30e9\u30b9\u8a2d\u8a08\u306e\u6539\u5584<\/h3>\n\n\n\n<p>\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306f\u3001\u30af\u30e9\u30b9\u306e\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u3068\u4f7f\u3044\u3084\u3059\u3055\u3092\u5411\u4e0a\u3055\u305b\u308b\u91cd\u8981\u306a\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-35\">1. \u30b3\u30d4\u30fc\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ResourceManager {\nprivate:\n    int* data;\n    size_t size;\n\npublic:\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    ResourceManager(size_t n = 0) : size(n) {\n        data = (n &gt; 0) ? new int[n]() : nullptr;\n    }\n\n    \/\/ \u30b3\u30d4\u30fc\u4ee3\u5165\u6f14\u7b97\u5b50\n    ResourceManager&amp; operator=(const ResourceManager&amp; other) {\n        if (this != &amp;other) {  \/\/ \u81ea\u5df1\u4ee3\u5165\u30c1\u30a7\u30c3\u30af\n            \/\/ \u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u305f\u4f8b\u5916\u5b89\u5168\u306a\u5b9f\u88c5\n            ResourceManager temp(other);\n            std::swap(data, temp.data);\n            std::swap(size, temp.size);\n        }\n        return *this;\n    }\n\n    \/\/ \u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\n    ResourceManager&amp; operator=(ResourceManager&amp;&amp; other) noexcept {\n        if (this != &amp;other) {\n            delete[] data;\n            data = other.data;\n            size = other.size;\n            other.data = nullptr;\n            other.size = 0;\n        }\n        return *this;\n    }\n\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\n    ~ResourceManager() {\n        delete[] data;\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-36\">2. \u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u623b\u308a\u5024\u3068\u9023\u9396\u4ee3\u5165<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ChainableAssignment {\nprivate:\n    int value;\n\npublic:\n    \/\/ \u9023\u9396\u4ee3\u5165\u3092\u53ef\u80fd\u306b\u3059\u308b\u4ee3\u5165\u6f14\u7b97\u5b50\n    ChainableAssignment&amp; operator=(const ChainableAssignment&amp; other) {\n        value = other.value;\n        return *this;  \/\/ *this\u3092\u8fd4\u3059\u3053\u3068\u3067\u9023\u9396\u4ee3\u5165\u304c\u53ef\u80fd\n    }\n\n    \/\/ \u57fa\u672c\u578b\u304b\u3089\u306e\u4ee3\u5165\u3082\u53ef\u80fd\u306b\u3059\u308b\n    ChainableAssignment&amp; operator=(int newValue) {\n        value = newValue;\n        return *this;\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nChainableAssignment a, b, c;\na = b = c = 42;  \/\/ \u9023\u9396\u4ee3\u5165<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-37\">\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u30b3\u30fc\u30c9\u306e\u6700\u9069\u5316<\/h3>\n\n\n\n<p>\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\u306f\u3001\u6f14\u7b97\u3068\u4ee3\u5165\u30921\u3064\u306e\u64cd\u4f5c\u3067\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u3001\u30b3\u30fc\u30c9\u306e\u52b9\u7387\u5316\u306b\u8ca2\u732e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-38\">1. \u57fa\u672c\u7684\u306a\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Vector2D {\nprivate:\n    double x, y;\n\npublic:\n    Vector2D(double x = 0, double y = 0) : x(x), y(y) {}\n\n    \/\/ \u52a0\u7b97\u4ee3\u5165\u6f14\u7b97\u5b50\n    Vector2D&amp; operator+=(const Vector2D&amp; other) {\n        x += other.x;\n        y += other.y;\n        return *this;\n    }\n\n    \/\/ \u6e1b\u7b97\u4ee3\u5165\u6f14\u7b97\u5b50\n    Vector2D&amp; operator-=(const Vector2D&amp; other) {\n        x -= other.x;\n        y -= other.y;\n        return *this;\n    }\n\n    \/\/ \u30b9\u30ab\u30e9\u30fc\u4e57\u7b97\u4ee3\u5165\u6f14\u7b97\u5b50\n    Vector2D&amp; operator*=(double scalar) {\n        x *= scalar;\n        y *= scalar;\n        return *this;\n    }\n\n    \/\/ \u901a\u5e38\u306e\u52a0\u7b97\u6f14\u7b97\u5b50\uff08\u8907\u5408\u4ee3\u5165\u3092\u5229\u7528\u3057\u3066\u5b9f\u88c5\uff09\n    friend Vector2D operator+(Vector2D lhs, const Vector2D&amp; rhs) {\n        return lhs += rhs;  \/\/ \u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u5229\u7528\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-39\">2. \u30d3\u30c3\u30c8\u6f14\u7b97\u306e\u8907\u5408\u4ee3\u5165<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class BitFlags {\nprivate:\n    unsigned int flags;\n\npublic:\n    BitFlags&amp; operator&amp;=(const BitFlags&amp; other) {\n        flags &amp;= other.flags;\n        return *this;\n    }\n\n    BitFlags&amp; operator|=(const BitFlags&amp; other) {\n        flags |= other.flags;\n        return *this;\n    }\n\n    BitFlags&amp; operator^=(const BitFlags&amp; other) {\n        flags ^= other.flags;\n        return *this;\n    }\n\n    BitFlags&amp; operator&lt;&lt;=(unsigned int shift) {\n        flags &lt;&lt;= shift;\n        return *this;\n    }\n\n    BitFlags&amp; operator&gt;&gt;=(unsigned int shift) {\n        flags &gt;&gt;= shift;\n        return *this;\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-40\">3. \u52b9\u7387\u7684\u306a\u6587\u5b57\u5217\u64cd\u4f5c\u306e\u4f8b<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class OptimizedString {\nprivate:\n    std::string data;\n\npublic:\n    \/\/ \u6587\u5b57\u5217\u9023\u7d50\u306e\u6700\u9069\u5316\n    OptimizedString&amp; operator+=(const OptimizedString&amp; other) {\n        data.append(other.data);  \/\/ \u76f4\u63a5append\u3092\u4f7f\u7528\n        return *this;\n    }\n\n    OptimizedString&amp; operator+=(const char* str) {\n        data.append(str);\n        return *this;\n    }\n\n    OptimizedString&amp; operator+=(char ch) {\n        data.push_back(ch);  \/\/ \u5358\u4e00\u6587\u5b57\u306e\u8ffd\u52a0\u306b\u6700\u9069\u5316\n        return *this;\n    }\n\n    \/\/ reserve()\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u9023\u7d9a\u64cd\u4f5c\n    void appendMultiple(const std::vector&lt;std::string&gt;&amp; strings) {\n        size_t total_length = 0;\n        for (const auto&amp; str : strings) {\n            total_length += str.length();\n        }\n        data.reserve(data.length() + total_length);\n\n        for (const auto&amp; str : strings) {\n            data.append(str);\n        }\n    }\n};<\/pre>\n\n\n\n<p>\u4ee3\u5165\u6f14\u7b97\u5b50\u3068\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u9069\u5207\u306a\u5b9f\u88c5\u306b\u3088\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u70b9\u304c\u5f97\u3089\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u5411\u4e0a<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u7c21\u7d20\u5316<\/li>\n\n\n\n<li>\u4f7f\u3044\u3084\u3059\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u63d0\u4f9b<\/li>\n<\/ol>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u7279\u6b8a\u6f14\u7b97\u5b50\u306e\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-41\">\u7279\u6b8a\u6f14\u7b97\u5b50\u306e\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-42\">\u6761\u4ef6\u6f14\u7b97\u5b50\uff08\u4e09\u9805\u6f14\u7b97\u5b50\uff09\u3067\u53ef\u8aad\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f<\/h3>\n\n\n\n<p>\u6761\u4ef6\u6f14\u7b97\u5b50\u306f\u3001\u7c21\u6f54\u3067\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u305f\u3081\u306e\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3059\u304c\u3001\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-43\">1. \u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u57fa\u672c\u5f62\u5f0f: condition ? value_if_true : value_if_false\nint max_value = (a &gt; b) ? a : b;\n\n\/\/ \u5909\u6570\u521d\u671f\u5316\u3067\u306e\u4f7f\u7528\nconst char* status = (isConnected) ? \"\u63a5\u7d9a\u4e2d\" : \"\u672a\u63a5\u7d9a\";\n\n\/\/ \u95a2\u6570\u306e\u623b\u308a\u5024\u3068\u3057\u3066\u4f7f\u7528\nint getAbsoluteValue(int value) {\n    return (value &gt;= 0) ? value : -value;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-44\">2. \u30cd\u30b9\u30c8\u3092\u907f\u3051\u305f\u53ef\u8aad\u6027\u306e\u9ad8\u3044\u6761\u4ef6\u5206\u5c90<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class UserInterface {\npublic:\n    enum class Theme { Light, Dark, System };\n\n    \/\/ \u60aa\u3044\u4f8b\uff1a\u30cd\u30b9\u30c8\u3057\u305f\u4e09\u9805\u6f14\u7b97\u5b50\n    std::string getBadThemeString(Theme theme) {\n        return theme == Theme::Light ? \"Light\" : \n               theme == Theme::Dark ? \"Dark\" : \"System\";\n    }\n\n    \/\/ \u826f\u3044\u4f8b\uff1aif-else\u3092\u4f7f\u7528\n    std::string getGoodThemeString(Theme theme) {\n        if (theme == Theme::Light) return \"Light\";\n        if (theme == Theme::Dark) return \"Dark\";\n        return \"System\";\n    }\n\n    \/\/ \u826f\u3044\u4f8b\uff1a\u4e09\u9805\u6f14\u7b97\u5b50\u306e\u9069\u5207\u306a\u4f7f\u7528\n    std::string getThemeClass(Theme theme) {\n        return (theme == Theme::Dark) ? \"dark-mode\" : \"light-mode\";\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-45\">3. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u4f7f\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Performance {\npublic:\n    \/\/ \u91cd\u3044\u51e6\u7406\u3092\u542b\u3080\u5834\u5408\u306f if-else \u3092\u4f7f\u7528\u3059\u308b\n    std::string getExpensiveResult(bool condition) {\n        if (condition) {\n            return heavyProcessForTrue();\n        } else {\n            return heavyProcessForFalse();\n        }\n    }\n\n    \/\/ \u8efd\u3044\u51e6\u7406\u306a\u3089\u4e09\u9805\u6f14\u7b97\u5b50\u304c\u9069\u5207\n    int getLightweightResult(bool condition, int a, int b) {\n        return condition ? a + b : a - b;\n    }\n\nprivate:\n    std::string heavyProcessForTrue() {\n        \/\/ \u91cd\u3044\u51e6\u7406\n        return \"true result\";\n    }\n\n    std::string heavyProcessForFalse() {\n        \/\/ \u91cd\u3044\u51e6\u7406\n        return \"false result\";\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-46\">\u30ab\u30f3\u30de\u6f14\u7b97\u5b50\u3068\u30e1\u30f3\u30d0\u30a2\u30af\u30bb\u30b9\u6f14\u7b97\u5b50\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b<\/h3>\n\n\n\n<p>\u30ab\u30f3\u30de\u6f14\u7b97\u5b50\u3068\u30e1\u30f3\u30d0\u30a2\u30af\u30bb\u30b9\u6f14\u7b97\u5b50\u306f\u3001\u7279\u5b9a\u306e\u72b6\u6cc1\u3067\u975e\u5e38\u306b\u6709\u7528\u306a\u30c4\u30fc\u30eb\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-47\">1. \u30ab\u30f3\u30de\u6f14\u7b97\u5b50\u306e\u6d3b\u7528<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class CommaOperatorDemo {\npublic:\n    \/\/ for\u6587\u3067\u306e\u8907\u6570\u306e\u5909\u6570\u306e\u66f4\u65b0\n    void processArray(int* arr, size_t size) {\n        for (size_t i = 0, j = size - 1; i &lt; j; ++i, --j) {\n            std::swap(arr[i], arr[j]);\n        }\n    }\n\n    \/\/ \u8907\u6570\u306e\u64cd\u4f5c\u30921\u884c\u3067\u5b9f\u884c\n    int complexOperation(int&amp; x, int&amp; y) {\n        return (++x, ++y, x + y);  \/\/ \u6700\u5f8c\u306e\u5f0f\u306e\u5024\u304c\u8fd4\u3055\u308c\u308b\n    }\n\n    \/\/ \u30de\u30af\u30ed\u3067\u306e\u4f7f\u7528\u4f8b\n    #define PROCESS_AND_LOG(x) \\\n        (std::cout &lt;&lt; \"Processing \" &lt;&lt; #x &lt;&lt; \"...\\n\", process(x))\n\nprivate:\n    void process(int x) {\n        \/\/ \u51e6\u7406\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-48\">2. \u30e1\u30f3\u30d0\u30a2\u30af\u30bb\u30b9\u6f14\u7b97\u5b50\u306e\u9ad8\u5ea6\u306a\u4f7f\u7528\u6cd5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class SmartPointerDemo {\npublic:\n    class Iterator {\n    public:\n        \/\/ \u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n        template&lt;typename T&gt;\n        T* operator-&gt;() {\n            return &amp;current_value;\n        }\n\n    private:\n        T current_value;\n    };\n\n    \/\/ \u30dd\u30a4\u30f3\u30bf\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    T&amp; operator*() {\n        return *ptr;\n    }\n\n    \/\/ \u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u30c1\u30a7\u30fc\u30f3\n    class ChainableObject {\n    public:\n        ChainableObject* operator-&gt;() {\n            return this;\n        }\n\n        void method1() { \/* \u51e6\u7406 *\/ }\n        void method2() { \/* \u51e6\u7406 *\/ }\n        void method3() { \/* \u51e6\u7406 *\/ }\n    };\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nChainableObject obj;\nobj-&gt;method1()-&gt;method2()-&gt;method3();<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-49\">3. \u7279\u6b8a\u6f14\u7b97\u5b50\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u9ad8\u5ea6\u306a\u30c6\u30af\u30cb\u30c3\u30af<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class AdvancedOperators {\npublic:\n    \/\/ RAII \u30d1\u30bf\u30fc\u30f3\u3067\u306e\u6d3b\u7528\n    class ScopedLock {\n    public:\n        explicit ScopedLock(std::mutex&amp; m) : mutex(m) {\n            mutex.lock();\n        }\n\n        ~ScopedLock() {\n            mutex.unlock();\n        }\n\n    private:\n        std::mutex&amp; mutex;\n        ScopedLock(const ScopedLock&amp;) = delete;\n        ScopedLock&amp; operator=(const ScopedLock&amp;) = delete;\n    };\n\n    \/\/ \u6761\u4ef6\u4ed8\u304d\u30e1\u30f3\u30d0\u30a2\u30af\u30bb\u30b9\n    template&lt;typename T&gt;\n    class OptionalMember {\n    private:\n        T* ptr;\n\n    public:\n        class Proxy {\n            T* ptr;\n        public:\n            explicit Proxy(T* p) : ptr(p) {}\n            T* operator-&gt;() { return ptr; }\n        };\n\n        Proxy operator-&gt;() {\n            return Proxy(ptr ? ptr : throw std::runtime_error(\"Null pointer\"));\n        }\n    };\n};<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u7279\u6b8a\u6f14\u7b97\u5b50\u3092\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u8868\u73fe\u529b\u8c4a\u304b\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u904e\u5ea6\u306a\u4f7f\u7528\u306f\u907f\u3051\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u5b9f\u8df5\u30ac\u30a4\u30c9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-50\">\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u5b9f\u8df5\u30ac\u30a4\u30c9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-51\">\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306e\u57fa\u672c\u539f\u5247\u3068\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u5b9a\u7fa9\u578b\u306b\u5bfe\u3057\u3066\u76f4\u611f\u7684\u306a\u64cd\u4f5c\u3092\u53ef\u80fd\u306b\u3059\u308b\u5f37\u529b\u306a\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-52\">1. \u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306e\u57fa\u672c\u898f\u5247<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Complex {\nprivate:\n    double real;\n    double imag;\n\npublic:\n    Complex(double r = 0, double i = 0) : real(r), imag(i) {}\n\n    \/\/ \u30e1\u30f3\u30d0\u95a2\u6570\u3068\u3057\u3066\u306e\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    Complex&amp; operator+=(const Complex&amp; other) {\n        real += other.real;\n        imag += other.imag;\n        return *this;\n    }\n\n    \/\/ \u30d5\u30ec\u30f3\u30c9\u95a2\u6570\u3068\u3057\u3066\u306e\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    friend Complex operator+(Complex lhs, const Complex&amp; rhs) {\n        return lhs += rhs;  \/\/ \u65e2\u5b58\u306e+=\u3092\u6d3b\u7528\n    }\n\n    \/\/ \u5358\u9805\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    Complex operator-() const {\n        return Complex(-real, -imag);\n    }\n\n    \/\/ \u6bd4\u8f03\u6f14\u7b97\u5b50\n    bool operator==(const Complex&amp; other) const {\n        return real == other.real &amp;&amp; imag == other.imag;\n    }\n\n    \/\/ \u30b9\u30c8\u30ea\u30fc\u30e0\u51fa\u529b\u6f14\u7b97\u5b50\n    friend std::ostream&amp; operator&lt;&lt;(std::ostream&amp; os, const Complex&amp; c) {\n        return os &lt;&lt; c.real &lt;&lt; (c.imag &gt;= 0 ? \"+\" : \"\") &lt;&lt; c.imag &lt;&lt; \"i\";\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-53\">2. \u30e1\u30f3\u30d0\u95a2\u6570vs\u975e\u30e1\u30f3\u30d0\u95a2\u6570\u306e\u9078\u629e\u57fa\u6e96<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class String {\nprivate:\n    char* data;\n    size_t length;\n\npublic:\n    \/\/ \u30e1\u30f3\u30d0\u95a2\u6570\u3068\u3057\u3066\u5b9f\u88c5\u3059\u3079\u304d\u6f14\u7b97\u5b50\n    String&amp; operator=(const String&amp; other) {\n        if (this != &amp;other) {\n            delete[] data;\n            length = other.length;\n            data = new char[length + 1];\n            std::strcpy(data, other.data);\n        }\n        return *this;\n    }\n\n    \/\/ \u975e\u30e1\u30f3\u30d0\u95a2\u6570\uff08\u30d5\u30ec\u30f3\u30c9\uff09\u3068\u3057\u3066\u5b9f\u88c5\u3059\u3079\u304d\u6f14\u7b97\u5b50\n    friend String operator+(const String&amp; lhs, const String&amp; rhs) {\n        String result;\n        result.length = lhs.length + rhs.length;\n        result.data = new char[result.length + 1];\n        std::strcpy(result.data, lhs.data);\n        std::strcat(result.data, rhs.data);\n        return result;\n    }\n\n    \/\/ \u6dfb\u5b57\u6f14\u7b97\u5b50\uff08\u5fc5\u305a\u30e1\u30f3\u30d0\u95a2\u6570\uff09\n    char&amp; operator[](size_t index) {\n        if (index &gt;= length) throw std::out_of_range(\"Index out of bounds\");\n        return data[index];\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-54\">\u3088\u304f\u3042\u308b\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306e\u30df\u30b9\u3068\u305d\u306e\u56de\u907f\u65b9\u6cd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-55\">1. \u4e00\u8cab\u6027\u306e\u3042\u308b\u6f14\u7b97\u5b50\u30bb\u30c3\u30c8\u306e\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class SafeInteger {\nprivate:\n    int value;\n\npublic:\n    \/\/ \u57fa\u672c\u7684\u306a\u7b97\u8853\u6f14\u7b97\u5b50\u30bb\u30c3\u30c8\n    SafeInteger&amp; operator+=(const SafeInteger&amp; other) {\n        \/\/ \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u30c1\u30a7\u30c3\u30af\n        if (value &gt; 0 &amp;&amp; other.value &gt; INT_MAX - value ||\n            value &lt; 0 &amp;&amp; other.value &lt; INT_MIN - value) {\n            throw std::overflow_error(\"Addition overflow\");\n        }\n        value += other.value;\n        return *this;\n    }\n\n    \/\/ \u95a2\u9023\u3059\u308b\u6f14\u7b97\u5b50\u3082\u540c\u6642\u306b\u5b9f\u88c5\n    friend SafeInteger operator+(SafeInteger lhs, const SafeInteger&amp; rhs) {\n        return lhs += rhs;\n    }\n\n    \/\/ \u6bd4\u8f03\u6f14\u7b97\u5b50\u30bb\u30c3\u30c8\uff08C++20\u4ee5\u524d\uff09\n    bool operator==(const SafeInteger&amp; other) const {\n        return value == other.value;\n    }\n    bool operator!=(const SafeInteger&amp; other) const {\n        return !(*this == other);\n    }\n    bool operator&lt;(const SafeInteger&amp; other) const {\n        return value &lt; other.value;\n    }\n    bool operator&gt;(const SafeInteger&amp; other) const {\n        return other &lt; *this;\n    }\n    bool operator&lt;=(const SafeInteger&amp; other) const {\n        return !(other &lt; *this);\n    }\n    bool operator&gt;=(const SafeInteger&amp; other) const {\n        return !(*this &lt; other);\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-56\">2. \u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u6ce8\u610f\u70b9<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class ResourceHandle {\nprivate:\n    Resource* resource;\n\npublic:\n    \/\/ \u30b3\u30d4\u30fc\u4ee3\u5165\u6f14\u7b97\u5b50\u3067\u306e\u9069\u5207\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\n    ResourceHandle&amp; operator=(const ResourceHandle&amp; other) {\n        if (this != &amp;other) {\n            Resource* temp = nullptr;\n            try {\n                temp = other.resource-&gt;clone();  \/\/ \u4f8b\u5916\u5b89\u5168\u306a\u5b9f\u88c5\n                delete resource;\n                resource = temp;\n            }\n            catch (...) {\n                delete temp;\n                throw;\n            }\n        }\n        return *this;\n    }\n\n    \/\/ \u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\n    ResourceHandle&amp; operator=(ResourceHandle&amp;&amp; other) noexcept {\n        if (this != &amp;other) {\n            delete resource;\n            resource = other.resource;\n            other.resource = nullptr;  \/\/ \u79fb\u52d5\u5143\u306e\u30ea\u30bd\u30fc\u30b9\u3092null\u306b\u3059\u308b\n        }\n        return *this;\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-57\">3. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u306e\u95a2\u4fc2<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class Matrix {\nprivate:\n    std::vector&lt;std::vector&lt;double&gt;&gt; data;\n\npublic:\n    \/\/ \u52b9\u7387\u7684\u306a\u4e57\u7b97\u6f14\u7b97\u5b50\n    Matrix operator*(const Matrix&amp; other) const {\n        \/\/ \u4e8b\u524d\u6761\u4ef6\u30c1\u30a7\u30c3\u30af\n        if (data[0].size() != other.data.size()) {\n            throw std::invalid_argument(\"Matrix dimensions mismatch\");\n        }\n\n        \/\/ \u7d50\u679c\u884c\u5217\u306e\u4e8b\u524d\u78ba\u4fdd\n        Matrix result(data.size(), other.data[0].size());\n\n        \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u5b9f\u88c5\n        for (size_t i = 0; i &lt; data.size(); ++i) {\n            for (size_t k = 0; k &lt; other.data.size(); ++k) {\n                for (size_t j = 0; j &lt; other.data[0].size(); ++j) {\n                    result.data[i][j] += data[i][k] * other.data[k][j];\n                }\n            }\n        }\n        return result;\n    }\n\n    \/\/ \u52b9\u7387\u7684\u306a\u52a0\u7b97\u4ee3\u5165\u6f14\u7b97\u5b50\n    Matrix&amp; operator+=(const Matrix&amp; other) {\n        if (data.size() != other.data.size() || \n            data[0].size() != other.data[0].size()) {\n            throw std::invalid_argument(\"Matrix dimensions mismatch\");\n        }\n\n        \/\/ \u30c7\u30fc\u30bf\u306e\u30d5\u30e9\u30c3\u30c8\u5316\u3092\u907f\u3051\u3001\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\n        for (size_t i = 0; i &lt; data.size(); ++i) {\n            for (size_t j = 0; j &lt; data[0].size(); ++j) {\n                data[i][j] += other.data[i][j];\n            }\n        }\n        return *this;\n    }\n};<\/pre>\n\n\n\n<p>\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e00\u8cab\u6027\uff1a\u6f14\u7b97\u5b50\u306e\u610f\u5473\u3092\u4fdd\u6301\u3057\u3001\u4e88\u671f\u3057\u306a\u3044\u52d5\u4f5c\u3092\u907f\u3051\u308b<\/li>\n\n\n\n<li>\u52b9\u7387\u6027\uff1a\u4e0d\u5fc5\u8981\u306a\u30b3\u30d4\u30fc\u3092\u907f\u3051\u3001\u9069\u5207\u306a\u53c2\u7167\u3068\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u5b89\u5168\u6027\uff1a\u4f8b\u5916\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3057\u3001\u30ea\u30bd\u30fc\u30b9\u30ea\u30fc\u30af\u3092\u9632\u3050<\/li>\n\n\n\n<li>\u53ef\u8aad\u6027\uff1a\u8907\u96d1\u306a\u6f14\u7b97\u5b50\u306f\u3001\u3088\u308a\u5358\u7d14\u306a\u6f14\u7b97\u5b50\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u5b9f\u88c5\u3059\u308b<\/li>\n<\/ol>\n\n\n\n<p>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-58\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-59\">\u6f14\u7b97\u5b50\u306e\u4f7f\u7528\u6642\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8003\u616e\u4e8b\u9805<\/h3>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3059\u305f\u3081\u306b\u306f\u3001\u6f14\u7b97\u5b50\u306e\u9069\u5207\u306a\u4f7f\u7528\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-60\">1. \u6f14\u7b97\u5b50\u306e\u52b9\u7387\u7684\u306a\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PerformanceOptimizedString {\nprivate:\n    std::string data;\n\npublic:\n    \/\/ \u52b9\u7387\u7684\u306a\u6587\u5b57\u5217\u9023\u7d50\n    PerformanceOptimizedString&amp; operator+=(const std::string&amp; str) {\n        data.reserve(data.size() + str.size());  \/\/ \u30e1\u30e2\u30ea\u518d\u5272\u308a\u5f53\u3066\u306e\u56de\u907f\n        data.append(str);\n        return *this;\n    }\n\n    \/\/ \u79fb\u52d5\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u6d3b\u7528\u3057\u305f\u6f14\u7b97\u5b50\n    PerformanceOptimizedString&amp; operator+=(PerformanceOptimizedString&amp;&amp; other) noexcept {\n        data.append(std::move(other.data));\n        return *this;\n    }\n\n    \/\/ \u52b9\u7387\u7684\u306a\u6bd4\u8f03\u6f14\u7b97\u5b50\n    bool operator==(const PerformanceOptimizedString&amp; other) const {\n        if (data.size() != other.data.size()) {\n            return false;  \/\/ \u30b5\u30a4\u30ba\u6bd4\u8f03\u3092\u5148\u306b\u884c\u3046\n        }\n        return data == other.data;\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-61\">2. \u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u306e\u6700\u9069\u5316<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class MatrixOptimized {\nprivate:\n    std::vector&lt;double&gt; data;  \/\/ \u4e00\u6b21\u5143\u914d\u5217\u3067\u4e8c\u6b21\u5143\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\n    size_t rows, cols;\n\npublic:\n    MatrixOptimized(size_t r, size_t c) : rows(r), cols(c), data(r * c) {}\n\n    \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u884c\u5217\u4e57\u7b97\n    MatrixOptimized operator*(const MatrixOptimized&amp; other) const {\n        if (cols != other.rows) {\n            throw std::invalid_argument(\"Matrix dimensions mismatch\");\n        }\n\n        MatrixOptimized result(rows, other.cols);\n\n        \/\/ \u30d6\u30ed\u30c3\u30af\u5358\u4f4d\u3067\u306e\u51e6\u7406\u3067\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387\u3092\u6539\u5584\n        constexpr size_t BLOCK_SIZE = 32;\n        for (size_t i = 0; i &lt; rows; i += BLOCK_SIZE) {\n            for (size_t j = 0; j &lt; other.cols; j += BLOCK_SIZE) {\n                for (size_t k = 0; k &lt; cols; k += BLOCK_SIZE) {\n                    \/\/ \u30d6\u30ed\u30c3\u30af\u5185\u306e\u8a08\u7b97\n                    for (size_t ii = i; ii &lt; std::min(i + BLOCK_SIZE, rows); ++ii) {\n                        for (size_t jj = j; jj &lt; std::min(j + BLOCK_SIZE, other.cols); ++jj) {\n                            double sum = 0.0;\n                            for (size_t kk = k; kk &lt; std::min(k + BLOCK_SIZE, cols); ++kk) {\n                                sum += at(ii, kk) * other.at(kk, jj);\n                            }\n                            result.at(ii, jj) += sum;\n                        }\n                    }\n                }\n            }\n        }\n        return result;\n    }\n\nprivate:\n    double&amp; at(size_t i, size_t j) { return data[i * cols + j]; }\n    const double&amp; at(size_t i, size_t j) const { return data[i * cols + j]; }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-62\">\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u3068\u6f14\u7b97\u306e\u95a2\u4fc2\u6027\u3092\u7406\u89e3\u3059\u308b<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-63\">1. \u30b3\u30f3\u30d1\u30a4\u30e9\u6700\u9069\u5316\u3092\u6d3b\u7528\u3057\u305f\u5b9f\u88c5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class CompilerOptimizedOperations {\npublic:\n    \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u8a08\u7b97\u3092\u6d3b\u7528\n    template&lt;size_t N&gt;\n    static constexpr int factorial() {\n        if constexpr (N &lt;= 1) {\n            return 1;\n        } else {\n            return N * factorial&lt;N-1&gt;();\n        }\n    }\n\n    \/\/ \u4e0d\u8981\u306a\u5206\u5c90\u3092\u9664\u53bb\n    template&lt;typename T&gt;\n    static T abs(T value) {\n        \/\/ \u30b3\u30f3\u30d1\u30a4\u30e9\u306f\u6761\u4ef6\u5206\u5c90\u3092\u4f7f\u7528\u305b\u305a\u306b\u6700\u9069\u5316\n        T mask = value &gt;&gt; (sizeof(T) * 8 - 1);\n        return (value + mask) ^ mask;\n    }\n\n    \/\/ SIMD\u6700\u9069\u5316\u306e\u30d2\u30f3\u30c8\u3092\u63d0\u4f9b\n    static void vectorAdd(float* __restrict__ a,\n                         const float* __restrict__ b,\n                         const float* __restrict__ c,\n                         size_t size) {\n        #pragma omp simd\n        for (size_t i = 0; i &lt; size; ++i) {\n            a[i] = b[i] + c[i];\n        }\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-64\">2. \u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class OptimizationGuidelines {\nprivate:\n    std::vector&lt;int&gt; data;\n\npublic:\n    \/\/ 1. \u4e0d\u5fc5\u8981\u306a\u30b3\u30d4\u30fc\u3092\u907f\u3051\u308b\n    void addValue(const int&amp; value) {\n        data.push_back(value);  \/\/ \u5024\u578b\u306e\u5834\u5408\u306f const \u53c2\u7167\u306f\u4e0d\u8981\n    }\n\n    \/\/ 2. \u9069\u5207\u306a\u6f14\u7b97\u5b50\u306e\u9078\u629e\n    void appendData(std::vector&lt;int&gt;&amp;&amp; newData) {\n        data.insert(data.end(),\n                   std::make_move_iterator(newData.begin()),\n                   std::make_move_iterator(newData.end()));\n    }\n\n    \/\/ 3. \u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u306e\u30d2\u30f3\u30c8\n    [[nodiscard]] inline int calculateSum() const {\n        return std::accumulate(data.begin(), data.end(), 0);\n    }\n\n    \/\/ 4. \u4e8b\u524d\u8a08\u7b97\u3068\u7d50\u679c\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\n    class CachedCalculation {\n    private:\n        int value;\n        bool calculated = false;\n\n    public:\n        int get(const std::function&lt;int()&gt;&amp; calculator) {\n            if (!calculated) {\n                value = calculator();\n                calculated = true;\n            }\n            return value;\n        }\n\n        void invalidate() {\n            calculated = false;\n        }\n    };\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-65\">3. \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6e2c\u5b9a\u3068\u6700\u9069\u5316\u306e\u5b9f\u8df5<\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">class PerformanceMeasurement {\npublic:\n    template&lt;typename Func&gt;\n    static double measureExecutionTime(Func&amp;&amp; func) {\n        auto start = std::chrono::high_resolution_clock::now();\n        std::forward&lt;Func&gt;(func)();\n        auto end = std::chrono::high_resolution_clock::now();\n\n        return std::chrono::duration&lt;double, std::milli&gt;(end - start).count();\n    }\n\n    static void compareOperations() {\n        std::vector&lt;int&gt; data(1000000);\n        std::iota(data.begin(), data.end(), 0);\n\n        \/\/ \u901a\u5e38\u306e\u52a0\u7b97\n        auto normalAdd = [&amp;]() {\n            int sum = 0;\n            for (const auto&amp; val : data) {\n                sum += val;\n            }\n            return sum;\n        };\n\n        \/\/ SIMD\u6700\u9069\u5316\u53ef\u80fd\u306a\u52a0\u7b97\n        auto simdAdd = [&amp;]() {\n            return std::reduce(std::execution::par_unseq,\n                             data.begin(), data.end());\n        };\n\n        double normalTime = measureExecutionTime(normalAdd);\n        double simdTime = measureExecutionTime(simdAdd);\n\n        std::cout &lt;&lt; \"Normal addition: \" &lt;&lt; normalTime &lt;&lt; \"ms\\n\"\n                  &lt;&lt; \"SIMD addition: \" &lt;&lt; simdTime &lt;&lt; \"ms\\n\";\n    }\n};<\/pre>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u69cb\u9020\u3068\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30c7\u30fc\u30bf\u914d\u7f6e<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30a2\u30e9\u30a4\u30f3\u30e1\u30f3\u30c8\u306e\u8003\u616e<\/li>\n\n\n\n<li>\u30c7\u30fc\u30bf\u306e\u5c40\u6240\u6027\u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u9078\u629e<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8a08\u7b97\u91cf\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u30d1\u30bf\u30fc\u30f3\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u4e26\u5217\u5316\u53ef\u80fd\u6027\u306e\u8003\u616e<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30d1\u30a4\u30e9\u6700\u9069\u5316\u306e\u6d3b\u7528<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9069\u5207\u306a\u6700\u9069\u5316\u30d5\u30e9\u30b0\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u306e\u30d2\u30f3\u30c8\u63d0\u4f9b<\/li>\n\n\n\n<li>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6e2c\u5b9a\u3068\u691c\u8a3c<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u306e\u5b9f\u65bd<\/li>\n\n\n\n<li>\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u306e\u52b9\u679c\u691c\u8a3c<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u9ad8\u6027\u80fd\u306aC++\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in \/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/ &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":{"0":"post-1679","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-cpp","7":"nothumb"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1679","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1679"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1679\/revisions"}],"predecessor-version":[{"id":1680,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1679\/revisions\/1680"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}