{"id":1674,"date":"2025-03-24T08:50:10","date_gmt":"2025-03-23T23:50:10","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1674"},"modified":"2025-03-24T08:50:10","modified_gmt":"2025-03-23T23:50:10","slug":"%e3%80%90%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%e3%80%91c%e6%bc%94%e7%ae%97%e5%ad%90%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%a8%e3%82%aa%e3%83%bc%e3%83%90%e3%83%bc%e3%83%ad%e3%83%bc","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1674","title":{"rendered":"\u3010\u5b8c\u5168\u30ac\u30a4\u30c9\u3011C++\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u65b9\u3068\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u5b9f\u88c5\u4f8b15\u9078"},"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\u5b50\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\u30b3\u30fc\u30c9\u306e\u7c21\u6f54\u306a\u8868\u73fe\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">C++\u3067\u5229\u7528\u53ef\u80fd\u306a\u6f14\u7b97\u5b50\u306e\u7a2e\u985e\u3068\u512a\u5148\u9806\u4f4d<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">\u7b97\u8853\u6f14\u7b97\u5b50\u306e\u8a73\u7d30\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u57fa\u672c\u7684\u306a\u6570\u5024\u8a08\u7b97\u3067\u4f7f\u3046\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50\u306e\u6319\u52d5\u306e\u9055\u3044<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-9\">\u6bd4\u8f03\u6f14\u7b97\u5b50\u3068\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u6d3b\u7528\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-10\">\u7b49\u4fa1\u6f14\u7b97\u5b50\u3068\u95a2\u4fc2\u6f14\u7b97\u5b50\u306e\u6b63\u3057\u3044\u4f7f\u3044\u65b9<\/a>      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href=\"#i-24\">\u30b3\u30d4\u30fc\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-27\">\u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\u306b\u3088\u308b\u52b9\u7387\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-29\">\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u9ad8\u5ea6\u306a\u4f7f\u3044\u65b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-30\">\u30d5\u30e9\u30b0\u7ba1\u7406\u306b\u304a\u3051\u308b\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-32\">\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u305f\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-35\">\u6f14\u7b97\u5b50\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-36\">\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u306b\u95a2\u3059\u308b\u4e00\u822c\u7684\u306a\u30df\u30b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-39\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u6f14\u7b97\u5b50\u306e\u9078\u629e\u65b9\u6cd5<\/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\u5b50\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\u30b3\u30fc\u30c9\u306e\u7c21\u6f54\u306a\u8868\u73fe\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u6f14\u7b97\u5b50\uff08operator\uff09\u306f\u3001C++\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3044\u3066\u7279\u5b9a\u306e\u6f14\u7b97\u3084\u64cd\u4f5c\u3092\u884c\u3046\u305f\u3081\u306e\u7279\u6b8a\u306a\u8a18\u53f7\u3067\u3059\u3002\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u96d1\u306a\u64cd\u4f5c\u3092\u7c21\u6f54\u306b\u8868\u73fe\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e2\u3064\u306e\u30b3\u30fc\u30c9\u306f\u540c\u3058\u51e6\u7406\u3092\u884c\u3044\u307e\u3059\u304c\u3001\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u305f\u65b9\u304c\u3088\u308a\u7c21\u6f54\u3067\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u307e\u3059\uff1a<\/p>\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=\"\">\/\/ \u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u306a\u3044\u5834\u5408\nint add_numbers(int a, int b) {\n    return a + b;\n}\nint result = add_numbers(5, 3);\n\n\/\/ \u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\nint result = 5 + 3;<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">C++\u3067\u5229\u7528\u53ef\u80fd\u306a\u6f14\u7b97\u5b50\u306e\u7a2e\u985e\u3068\u512a\u5148\u9806\u4f4d<\/h3>\n\n\n\n<p>C++\u3067\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7a2e\u985e\u306e\u6f14\u7b97\u5b50\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7b97\u8853\u6f14\u7b97\u5b50<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u52a0\u7b97\uff08+\uff09\u3001\u6e1b\u7b97\uff08-\uff09\u3001\u4e57\u7b97\uff08*\uff09\u3001\u9664\u7b97\uff08\/\uff09\u3001\u5270\u4f59\uff08%\uff09<\/li>\n\n\n\n<li>\u524d\u7f6e\u30fb\u5f8c\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\uff08++\uff09\u3001\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\uff08\u2013\uff09<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6bd4\u8f03\u6f14\u7b97\u5b50<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7b49\u4fa1\uff08==\uff09\u3001\u4e0d\u7b49\u4fa1\uff08!=\uff09<\/li>\n\n\n\n<li>\u5927\u306a\u308a\uff08&gt;\uff09\u3001\u5c0f\u306a\u308a\uff08&lt;\uff09<\/li>\n\n\n\n<li>\u4ee5\u4e0a\uff08&gt;=\uff09\u3001\u4ee5\u4e0b\uff08&lt;=\uff09<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8ad6\u7406\u6f14\u7b97\u5b50<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8ad6\u7406AND\uff08&amp;&amp;\uff09<\/li>\n\n\n\n<li>\u8ad6\u7406OR\uff08||\uff09<\/li>\n\n\n\n<li>\u8ad6\u7406NOT\uff08!\uff09<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d3\u30c3\u30c8AND\uff08&amp;\uff09<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8OR\uff08|\uff09<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8XOR\uff08^\uff09<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8\u5de6\u30b7\u30d5\u30c8\uff08&lt;&lt;\uff09<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8\u53f3\u30b7\u30d5\u30c8\uff08&gt;&gt;\uff09<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4ee3\u5165\u6f14\u7b97\u5b50<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5358\u7d14\u4ee3\u5165\uff08=\uff09<\/li>\n\n\n\n<li>\u8907\u5408\u4ee3\u5165\uff08+=\u3001-=\u3001*=\u3001\/=\u3001%=\u3001&amp;=\u3001|=\u3001^=\u3001&lt;&lt;=\u3001&gt;&gt;=\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u306f\u4ee5\u4e0b\u306e\u9806\u5e8f\u3067\u9ad8\u3044\u3082\u306e\u304b\u3089\u4e26\u3093\u3067\u3044\u307e\u3059\uff1a<\/p>\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=\"\">\/\/ \u6f14\u7b97\u5b50\u512a\u5148\u9806\u4f4d\u306e\u4f8b\u793a\n#include &lt;iostream&gt;\n\nint main() {\n    int result = 5 + 3 * 2;  \/\/ \u4e57\u7b97\u304c\u5148\u306b\u8a55\u4fa1\u3055\u308c\u308b\n    std::cout &lt;&lt; \"5 + 3 * 2 = \" &lt;&lt; result &lt;&lt; std::endl;  \/\/ 11\u304c\u51fa\u529b\u3055\u308c\u308b\n\n    result = (5 + 3) * 2;    \/\/ \u62ec\u5f27\u5185\u304c\u5148\u306b\u8a55\u4fa1\u3055\u308c\u308b\n    std::cout &lt;&lt; \"(5 + 3) * 2 = \" &lt;&lt; result &lt;&lt; std::endl;  \/\/ 16\u304c\u51fa\u529b\u3055\u308c\u308b\n\n    return 0;\n}<\/pre>\n\n\n\n<p>\u512a\u5148\u9806\u4f4d\u306e\u9ad8\u3044\u9806\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30b3\u30fc\u30d7\u89e3\u6c7a\u6f14\u7b97\u5b50\uff08::\uff09<\/li>\n\n\n\n<li>\u30e1\u30f3\u30d0\u30a2\u30af\u30bb\u30b9\uff08.\uff09\u3001\u30dd\u30a4\u30f3\u30bf\u304b\u3089\u306e\u30e1\u30f3\u30d0\u30a2\u30af\u30bb\u30b9\uff08-&gt;\uff09<\/li>\n\n\n\n<li>\u5f8c\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\/\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\uff08a++\u3001a\u2013\uff09<\/li>\n\n\n\n<li>\u524d\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\/\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\uff08++a\u3001\u2013a\uff09\u3001\u5358\u9805\u6f14\u7b97\u5b50\uff08+\u3001-\u3001!\u3001~\uff09<\/li>\n\n\n\n<li>\u4e57\u7b97\u7cfb\uff08*\u3001\/\u3001%\uff09<\/li>\n\n\n\n<li>\u52a0\u7b97\u7cfb\uff08+\u3001-\uff09<\/li>\n\n\n\n<li>\u30b7\u30d5\u30c8\u6f14\u7b97\u5b50\uff08&lt;&lt;\u3001&gt;&gt;\uff09<\/li>\n\n\n\n<li>\u6bd4\u8f03\u6f14\u7b97\u5b50\uff08&lt;\u3001&lt;=\u3001&gt;\u3001&gt;=\uff09<\/li>\n\n\n\n<li>\u7b49\u4fa1\u6f14\u7b97\u5b50\uff08==\u3001!=\uff09<\/li>\n\n\n\n<li>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\uff08&amp;\u3001|\u3001^\uff09<\/li>\n\n\n\n<li>\u8ad6\u7406\u6f14\u7b97\u5b50\uff08&amp;&amp;\u3001||\uff09<\/li>\n\n\n\n<li>\u4ee3\u5165\u6f14\u7b97\u5b50\uff08=\u3001+=\u3001-=\u306a\u3069\uff09<\/li>\n<\/ol>\n\n\n\n<p>\u512a\u5148\u9806\u4f4d\u3092\u660e\u78ba\u306b\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u62ec\u5f27\uff08\uff09\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30b3\u30fc\u30c9\u306e\u610f\u56f3\u304c\u660e\u78ba\u306b\u306a\u308a\u3001\u30d0\u30b0\u306e\u9632\u6b62\u306b\u3082\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\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=\"\">\/\/ \u512a\u5148\u9806\u4f4d\u3092\u660e\u78ba\u306b\u3057\u305f\u4f8b\nint a = 5, b = 3, c = 2;\nint result = (a + b) * c;  \/\/ \u610f\u56f3\u304c\u660e\u78ba\nbool logical = (a &gt; b) &amp;&amp; (b &gt; c);  \/\/ \u6761\u4ef6\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u660e\u78ba<\/pre>\n\n\n\n<p>\u3053\u306e\u57fa\u790e\u77e5\u8b58\u3092\u8e0f\u307e\u3048\u305f\u4e0a\u3067\u3001\u5404\u6f14\u7b97\u5b50\u306e\u8a73\u7d30\u306a\u4f7f\u3044\u65b9\u3084\u6ce8\u610f\u70b9\u306b\u3064\u3044\u3066\u306f\u3001\u7d9a\u304f\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">\u7b97\u8853\u6f14\u7b97\u5b50\u306e\u8a73\u7d30\u89e3\u8aac<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u57fa\u672c\u7684\u306a\u6570\u5024\u8a08\u7b97\u3067\u4f7f\u3046\u6f14\u7b97\u5b50\u306e\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>C++\u306e\u7b97\u8853\u6f14\u7b97\u5b50\u306f\u3001\u6570\u5024\u8a08\u7b97\u306e\u57fa\u790e\u3068\u306a\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u3053\u308c\u3089\u306e\u6f14\u7b97\u5b50\u3092\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u6570\u5024\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-5\">\u57fa\u672c\u7684\u306a\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=\"\">#include &lt;iostream&gt;\n\nint main() {\n    int a = 10, b = 3;\n\n    \/\/ \u57fa\u672c\u7684\u306a\u7b97\u8853\u6f14\u7b97\n    std::cout &lt;&lt; \"\u52a0\u7b97: \" &lt;&lt; a + b &lt;&lt; std::endl;      \/\/ \u51fa\u529b: 13\n    std::cout &lt;&lt; \"\u6e1b\u7b97: \" &lt;&lt; a - b &lt;&lt; std::endl;      \/\/ \u51fa\u529b: 7\n    std::cout &lt;&lt; \"\u4e57\u7b97: \" &lt;&lt; a * b &lt;&lt; std::endl;      \/\/ \u51fa\u529b: 30\n    std::cout &lt;&lt; \"\u9664\u7b97: \" &lt;&lt; a \/ b &lt;&lt; std::endl;      \/\/ \u51fa\u529b: 3 (\u6574\u6570\u9664\u7b97)\n    std::cout &lt;&lt; \"\u5270\u4f59: \" &lt;&lt; a % b &lt;&lt; std::endl;      \/\/ \u51fa\u529b: 1\n\n    \/\/ \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3067\u306e\u9664\u7b97\n    double c = 10.0, d = 3.0;\n    std::cout &lt;&lt; \"\u6d6e\u52d5\u5c0f\u6570\u70b9\u9664\u7b97: \" &lt;&lt; c \/ d &lt;&lt; std::endl;  \/\/ \u51fa\u529b: 3.33333\n\n    return 0;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-6\">\u578b\u5909\u63db\u3068\u6f14\u7b97\u306e\u6ce8\u610f\u70b9<\/h4>\n\n\n\n<p>\u7b97\u8853\u6f14\u7b97\u6642\u306e\u578b\u5909\u63db\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\uff1a<\/p>\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;iostream&gt;\n\nint main() {\n    \/\/ \u6574\u6570\u540c\u58eb\u306e\u9664\u7b97\u306f\u6574\u6570\u9664\u7b97\u306b\u306a\u308b\n    int x = 5;\n    int y = 2;\n    double result1 = x \/ y;     \/\/ \u7d50\u679c: 2.0 (\u6574\u6570\u9664\u7b97\u304c\u5148\u306b\u884c\u308f\u308c\u308b)\n    double result2 = x \/ 2.0;   \/\/ \u7d50\u679c: 2.5 (\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u9664\u7b97)\n\n    \/\/ \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u4f8b\n    int max = INT_MAX;\n    std::cout &lt;&lt; \"\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u4f8b: \" &lt;&lt; max + 1 &lt;&lt; std::endl;  \/\/ \u4e88\u671f\u305b\u306c\u7d50\u679c\n\n    \/\/ \u7b26\u53f7\u4ed8\u304d\u6574\u6570\u3068\u7b26\u53f7\u306a\u3057\u6574\u6570\u306e\u6df7\u5728\n    unsigned int u = 1;\n    int i = -2;\n    if (u &gt; i) {  \/\/ \u4e88\u671f\u305b\u306c\u6bd4\u8f03\u7d50\u679c\u3068\u306a\u308b\u53ef\u80fd\u6027\u3042\u308a\n        std::cout &lt;&lt; \"\u7b26\u53f7\u306a\u3057\u6574\u6570\u3068\u306e\u6bd4\u8f03\u306b\u6ce8\u610f\" &lt;&lt; std::endl;\n    }\n\n    return 0;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u30fb\u30c7\u30af\u30ea\u30e1\u30f3\u30c8\u6f14\u7b97\u5b50\u306e\u6319\u52d5\u306e\u9055\u3044<\/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\u306b\u306f\u3001\u524d\u7f6e\u3068\u5f8c\u7f6e\u306e2\u3064\u306e\u5f62\u5f0f\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u7570\u306a\u308b\u6319\u52d5\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\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;iostream&gt;\n\nint main() {\n    int a = 5;\n\n    \/\/ \u524d\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\n    int b = ++a;  \/\/ a\u304c\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3055\u308c\u3066\u304b\u3089\u3001b\u306b\u4ee3\u5165\u3055\u308c\u308b\n    std::cout &lt;&lt; \"a: \" &lt;&lt; a &lt;&lt; \", b: \" &lt;&lt; b &lt;&lt; std::endl;  \/\/ a: 6, b: 6\n\n    a = 5;  \/\/ a\u30925\u306b\u623b\u3059\n\n    \/\/ \u5f8c\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\n    int c = a++;  \/\/ a\u306e\u73fe\u5728\u5024\u304cc\u306b\u4ee3\u5165\u3055\u308c\u3066\u304b\u3089\u3001a\u304c\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3055\u308c\u308b\n    std::cout &lt;&lt; \"a: \" &lt;&lt; a &lt;&lt; \", c: \" &lt;&lt; c &lt;&lt; std::endl;  \/\/ a: 6, c: 5\n\n    \/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u89b3\u70b9\n    int count = 0;\n    for (int i = 0; i &lt; 1000000; ++i) {  \/\/ \u524d\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u306e\u65b9\u304c\u52b9\u7387\u7684\n        count += i;\n    }\n\n    return 0;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-8\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u6700\u9069\u5316\u306e\u30d2\u30f3\u30c8<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u524d\u7f6e\u6f14\u7b97\u5b50\u306e\u512a\u5148\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u524d\u7f6e\u6f14\u7b97\u5b50\uff08++i\uff09\u306f\u5f8c\u7f6e\u6f14\u7b97\u5b50\uff08i++\uff09\u3088\u308a\u3082\u52b9\u7387\u7684\u3067\u3059<\/li>\n\n\n\n<li>\u5f8c\u7f6e\u6f14\u7b97\u5b50\u306f\u5024\u306e\u30b3\u30d4\u30fc\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\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=\"\">\/\/ \u52b9\u7387\u7684\u306a\u5b9f\u88c5\nx += 5;  \/\/ \u63a8\u5968\n\n\/\/ \u3088\u308a\u5197\u9577\u306a\u5b9f\u88c5\nx = x + 5;  \/\/ \u975e\u63a8\u5968<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u5bfe\u7b56<\/strong><\/li>\n<\/ol>\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;iostream&gt;\n#include &lt;limits&gt;\n\nint main() {\n    int a = std::numeric_limits&lt;int&gt;::max();\n\n    \/\/ \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u30c1\u30a7\u30c3\u30af\u306e\u4f8b\n    if (a &gt; 0 &amp;&amp; a + 1 &lt; 0) {\n        std::cout &lt;&lt; \"\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u304c\u691c\u51fa\u3055\u308c\u307e\u3057\u305f\" &lt;&lt; std::endl;\n    }\n\n    return 0;\n}<\/pre>\n\n\n\n<p>\u7b97\u8853\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u969b\u306f\u3001\u578b\u5909\u63db\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3001\u7cbe\u5ea6\u306e\u554f\u984c\u306b\u5e38\u306b\u6ce8\u610f\u3092\u6255\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u306b\u3001\u91d1\u878d\u8a08\u7b97\u3084\u7cbe\u5bc6\u306a\u6570\u5024\u8a08\u7b97\u3092\u884c\u3046\u5834\u5408\u306f\u3001\u9069\u5207\u306a\u30c7\u30fc\u30bf\u578b\u306e\u9078\u629e\u3068\u6f14\u7b97\u306e\u9806\u5e8f\u306b\u6c17\u3092\u914d\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-9\">\u6bd4\u8f03\u6f14\u7b97\u5b50\u3068\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u6d3b\u7528\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u7b49\u4fa1\u6f14\u7b97\u5b50\u3068\u95a2\u4fc2\u6f14\u7b97\u5b50\u306e\u6b63\u3057\u3044\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>\u6bd4\u8f03\u6f14\u7b97\u5b50\u306f\u3001\u5024\u306e\u95a2\u4fc2\u6027\u3092\u691c\u8a3c\u3059\u308b\u969b\u306b\u4f7f\u7528\u3055\u308c\u308b\u57fa\u672c\u7684\u306a\u6f14\u7b97\u5b50\u3067\u3059\u3002\u3053\u308c\u3089\u3092\u6b63\u3057\u304f\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5805\u7262\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-11\">\u57fa\u672c\u7684\u306a\u6bd4\u8f03\u6f14\u7b97\u5b50\u306e\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=\"\">#include &lt;iostream&gt;\n#include &lt;string&gt;\n\nint main() {\n    int a = 10, b = 20;\n    double x = 10.0;\n\n    \/\/ \u57fa\u672c\u7684\u306a\u6bd4\u8f03\n    bool isEqual = (a == b);     \/\/ \u7b49\u4fa1\n    bool isNotEqual = (a != b);  \/\/ \u4e0d\u7b49\u4fa1\n    bool isGreater = (a &gt; b);    \/\/ \u3088\u308a\u5927\u304d\u3044\n    bool isLess = (a &lt; b);       \/\/ \u3088\u308a\u5c0f\u3055\u3044\n    bool isGE = (a &gt;= b);        \/\/ \u4ee5\u4e0a\n    bool isLE = (a &lt;= b);        \/\/ \u4ee5\u4e0b\n\n    \/\/ \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3068\u306e\u6bd4\u8f03\u306b\u304a\u3051\u308b\u6ce8\u610f\u70b9\n    if (a == x) {  \/\/ \u6574\u6570\u3068\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u6bd4\u8f03\u306f\u578b\u5909\u63db\u304c\u767a\u751f\n        std::cout &lt;&lt; \"\u7b49\u4fa1\u3067\u3059\" &lt;&lt; std::endl;\n    }\n\n    return 0;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-12\">\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;iostream&gt;\n#include &lt;cmath&gt;\n\nint main() {\n    double a = 0.1 + 0.2;\n    double b = 0.3;\n\n    \/\/ \u76f4\u63a5\u306e\u6bd4\u8f03\u306f\u5371\u967a\n    if (a == b) {  \/\/ \u5fc5\u305a\u3057\u3082\u771f\u306b\u306a\u3089\u306a\u3044\n        std::cout &lt;&lt; \"\u7b49\u4fa1\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u30a4\u30d7\u30b7\u30ed\u30f3\u3092\u4f7f\u7528\u3057\u305f\u9069\u5207\u306a\u6bd4\u8f03\n    const double epsilon = 1e-10;\n    if (std::fabs(a - b) &lt; epsilon) {  \/\/ \u63a8\u5968\u3055\u308c\u308b\u65b9\u6cd5\n        std::cout &lt;&lt; \"\u307b\u307c\u7b49\u4fa1\" &lt;&lt; std::endl;\n    }\n\n    return 0;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-13\">\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=\"\">#include &lt;iostream&gt;\n\nint main() {\n    int x = 10;\n    int* p1 = &amp;x;\n    int* p2 = nullptr;\n\n    \/\/ \u30dd\u30a4\u30f3\u30bf\u306enull\u30c1\u30a7\u30c3\u30af\n    if (p1 != nullptr) {\n        std::cout &lt;&lt; \"\u6709\u52b9\u306a\u30dd\u30a4\u30f3\u30bf\u3067\u3059\" &lt;&lt; std::endl;\n    }\n\n    \/\/ modern C++\u3067\u306e\u63a8\u5968\u3055\u308c\u308b\u66f8\u304d\u65b9\n    if (p1) {  \/\/ nullptr\u3067\u306a\u3044\u5834\u5408\u306f\u771f\n        std::cout &lt;&lt; \"\u6709\u52b9\u306a\u30dd\u30a4\u30f3\u30bf\u3067\u3059\" &lt;&lt; std::endl;\n    }\n\n    return 0;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u305f\u6761\u4ef6\u5206\u5c90\u306e\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u8907\u96d1\u306a\u6761\u4ef6\u5f0f\u3092\u52b9\u7387\u7684\u306b\u8a18\u8ff0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-15\">\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=\"\">#include &lt;iostream&gt;\n\nint main() {\n    bool condition1 = true;\n    bool condition2 = false;\n\n    \/\/ \u8ad6\u7406AND\n    if (condition1 &amp;&amp; condition2) {\n        std::cout &lt;&lt; \"\u4e21\u65b9\u771f\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u8ad6\u7406OR\n    if (condition1 || condition2) {\n        std::cout &lt;&lt; \"\u5c11\u306a\u304f\u3068\u30821\u3064\u304c\u771f\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u8ad6\u7406NOT\n    if (!condition2) {\n        std::cout &lt;&lt; \"condition2\u306f\u507d\" &lt;&lt; std::endl;\n    }\n\n    return 0;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-16\">\u30b7\u30e7\u30fc\u30c8\u30b5\u30fc\u30ad\u30c3\u30c8\u8a55\u4fa1\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=\"\">#include &lt;iostream&gt;\n#include &lt;string&gt;\n\nclass User {\npublic:\n    bool isAuthenticated() const { return true; }\n    bool hasPermission(const std::string&amp; permission) const { return true; }\n};\n\nint main() {\n    User* user = nullptr;\n\n    \/\/ \u30b7\u30e7\u30fc\u30c8\u30b5\u30fc\u30ad\u30c3\u30c8\u8a55\u4fa1\u3092\u5229\u7528\u3057\u305f\u5b89\u5168\u306a\u30c1\u30a7\u30c3\u30af\n    if (user &amp;&amp; user-&gt;isAuthenticated() &amp;&amp; user-&gt;hasPermission(\"admin\")) {\n        std::cout &lt;&lt; \"\u7ba1\u7406\u8005\u6a29\u9650\u304c\u3042\u308a\u307e\u3059\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u7bc4\u56f2\u30c1\u30a7\u30c3\u30af\u306e\u4f8b\n    int value = 50;\n    if (value &gt;= 0 &amp;&amp; value &lt;= 100) {\n        std::cout &lt;&lt; \"\u5024\u306f\u6709\u52b9\u306a\u7bc4\u56f2\u5185\u3067\u3059\" &lt;&lt; std::endl;\n    }\n\n    return 0;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-17\">\u52b9\u7387\u7684\u306a\u6761\u4ef6\u5206\u5c90\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=\"\">#include &lt;iostream&gt;\n#include &lt;vector&gt;\n\n\/\/ \u52b9\u7387\u7684\u306a\u5883\u754c\u30c1\u30a7\u30c3\u30af\nbool isInRange(const std::vector&lt;int&gt;&amp; vec, size_t index) {\n    return index &lt; vec.size();  \/\/ \u5358\u4e00\u306e\u6bd4\u8f03\u3067\u5341\u5206\n}\n\n\/\/ \u8907\u5408\u6761\u4ef6\u306e\u30b0\u30eb\u30fc\u30d7\u5316\nbool isValidInput(int value, int min, int max) {\n    \/\/ \u95a2\u9023\u3059\u308b\u6761\u4ef6\u3092\u30b0\u30eb\u30fc\u30d7\u5316\n    return (value &gt;= min) &amp;&amp; (value &lt;= max);\n}\n\nint main() {\n    std::vector&lt;int&gt; numbers = {1, 2, 3, 4, 5};\n\n    \/\/ \u5b89\u5168\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30a2\u30af\u30bb\u30b9\n    size_t index = 3;\n    if (isInRange(numbers, index)) {\n        std::cout &lt;&lt; numbers[index] &lt;&lt; std::endl;\n    }\n\n    \/\/ \u52b9\u7387\u7684\u306a\u7bc4\u56f2\u30c1\u30a7\u30c3\u30af\n    int value = 75;\n    if (isValidInput(value, 0, 100)) {\n        std::cout &lt;&lt; \"\u6709\u52b9\u306a\u5165\u529b\u5024\u3067\u3059\" &lt;&lt; std::endl;\n    }\n\n    return 0;\n}<\/pre>\n\n\n\n<p>\u6bd4\u8f03\u6f14\u7b97\u5b50\u3068\u8ad6\u7406\u6f14\u7b97\u5b50\u3092\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u5411\u4e0a\u3057\u3001\u30d0\u30b0\u306e\u5c11\u306a\u3044\u5805\u7262\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001\u30b7\u30e7\u30fc\u30c8\u30b5\u30fc\u30ad\u30c3\u30c8\u8a55\u4fa1\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u5b89\u5168\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-18\">\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u30e1\u30f3\u30d0\u95a2\u6570\u3068\u3057\u3066\u306e\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u5b9a\u7fa9\u578b\u306b\u5bfe\u3057\u3066\u76f4\u611f\u7684\u306a\u6f14\u7b97\u5b50\u306e\u632f\u308b\u821e\u3044\u3092\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-20\">\u57fa\u672c\u7684\u306a\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\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=\"\">#include &lt;iostream&gt;\n#include &lt;string&gt;\n\nclass Vector2D {\nprivate:\n    double x, y;\n\npublic:\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    Vector2D(double x = 0, double y = 0) : x(x), y(y) {}\n\n    \/\/ \u52a0\u7b97\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\uff08\u30e1\u30f3\u30d0\u95a2\u6570\u3068\u3057\u3066\uff09\n    Vector2D operator+(const Vector2D&amp; other) const {\n        return Vector2D(x + other.x, y + other.y);\n    }\n\n    \/\/ \u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    Vector2D&amp; operator+=(const Vector2D&amp; other) {\n        x += other.x;\n        y += other.y;\n        return *this;\n    }\n\n    \/\/ \u5358\u9805\u30de\u30a4\u30ca\u30b9\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    Vector2D operator-() const {\n        return Vector2D(-x, -y);\n    }\n\n    \/\/ \u6dfb\u5b57\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    double&amp; operator[](int index) {\n        if (index == 0) return x;\n        if (index == 1) return y;\n        throw std::out_of_range(\"Index out of range\");\n    }\n\n    \/\/ \u51fa\u529b\u6f14\u7b97\u5b50\u306e\u305f\u3081\u306e\u30d8\u30eb\u30d1\u30fc\u95a2\u6570\n    void print(std::ostream&amp; os) const {\n        os &lt;&lt; \"(\" &lt;&lt; x &lt;&lt; \", \" &lt;&lt; y &lt;&lt; \")\";\n    }\n};\n\n\/\/ \u30b9\u30c8\u30ea\u30fc\u30e0\u51fa\u529b\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\uff08\u975e\u30e1\u30f3\u30d0\u95a2\u6570\u3068\u3057\u3066\uff09\nstd::ostream&amp; operator&lt;&lt;(std::ostream&amp; os, const Vector2D&amp; v) {\n    v.print(os);\n    return os;\n}\n\nint main() {\n    Vector2D v1(1.0, 2.0);\n    Vector2D v2(3.0, 4.0);\n\n    \/\/ \u6f14\u7b97\u5b50\u306e\u4f7f\u7528\u4f8b\n    Vector2D v3 = v1 + v2;\n    std::cout &lt;&lt; \"v3 = \" &lt;&lt; v3 &lt;&lt; std::endl;\n\n    v1 += v2;\n    std::cout &lt;&lt; \"v1 after += : \" &lt;&lt; v1 &lt;&lt; std::endl;\n\n    Vector2D v4 = -v1;\n    std::cout &lt;&lt; \"v4 (negation of v1): \" &lt;&lt; v4 &lt;&lt; std::endl;\n\n    return 0;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u30d5\u30ec\u30f3\u30c9\u95a2\u6570\u3068\u3057\u3066\u306e\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u30d5\u30ec\u30f3\u30c9\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30e9\u30b9\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30f3\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3057\u306a\u304c\u3089\u3001\u975e\u30e1\u30f3\u30d0\u95a2\u6570\u3068\u3057\u3066\u6f14\u7b97\u5b50\u3092\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\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;iostream&gt;\n\nclass Complex {\nprivate:\n    double real, imag;\n\npublic:\n    Complex(double r = 0, double i = 0) : real(r), imag(i) {}\n\n    \/\/ \u30d5\u30ec\u30f3\u30c9\u95a2\u6570\u3068\u3057\u3066\u4e8c\u9805\u6f14\u7b97\u5b50\u3092\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    friend Complex operator+(const Complex&amp; lhs, const Complex&amp; rhs);\n    friend Complex operator*(const Complex&amp; lhs, const Complex&amp; rhs);\n\n    \/\/ \u6bd4\u8f03\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    friend bool operator==(const Complex&amp; lhs, const Complex&amp; rhs);\n\n    \/\/ \u30b9\u30c8\u30ea\u30fc\u30e0\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    friend std::ostream&amp; operator&lt;&lt;(std::ostream&amp; os, const Complex&amp; c);\n\n    \/\/ \u30e1\u30f3\u30d0\u95a2\u6570\u3068\u3057\u3066\u306e\u5358\u9805\u6f14\u7b97\u5b50\n    Complex&amp; operator+=(const Complex&amp; other) {\n        real += other.real;\n        imag += other.imag;\n        return *this;\n    }\n};\n\n\/\/ \u52a0\u7b97\u6f14\u7b97\u5b50\u306e\u5b9f\u88c5\nComplex operator+(const Complex&amp; lhs, const Complex&amp; rhs) {\n    return Complex(lhs.real + rhs.real, lhs.imag + rhs.imag);\n}\n\n\/\/ \u4e57\u7b97\u6f14\u7b97\u5b50\u306e\u5b9f\u88c5\nComplex operator*(const Complex&amp; lhs, const Complex&amp; rhs) {\n    return Complex(\n        lhs.real * rhs.real - lhs.imag * rhs.imag,\n        lhs.real * rhs.imag + lhs.imag * rhs.real\n    );\n}\n\n\/\/ \u7b49\u4fa1\u6f14\u7b97\u5b50\u306e\u5b9f\u88c5\nbool operator==(const Complex&amp; lhs, const Complex&amp; rhs) {\n    return lhs.real == rhs.real &amp;&amp; lhs.imag == rhs.imag;\n}\n\n\/\/ \u30b9\u30c8\u30ea\u30fc\u30e0\u51fa\u529b\u6f14\u7b97\u5b50\u306e\u5b9f\u88c5\nstd::ostream&amp; operator&lt;&lt;(std::ostream&amp; os, const Complex&amp; c) {\n    os &lt;&lt; c.real;\n    if (c.imag &gt;= 0) os &lt;&lt; \"+\";\n    os &lt;&lt; c.imag &lt;&lt; \"i\";\n    return os;\n}\n\nint main() {\n    Complex c1(1, 2);\n    Complex c2(3, 4);\n\n    Complex sum = c1 + c2;\n    Complex product = c1 * c2;\n\n    std::cout &lt;&lt; \"c1 = \" &lt;&lt; c1 &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"c2 = \" &lt;&lt; c2 &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"sum = \" &lt;&lt; sum &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"product = \" &lt;&lt; product &lt;&lt; std::endl;\n\n    if (c1 == c2) {\n        std::cout &lt;&lt; \"c1 and c2 are equal\" &lt;&lt; std::endl;\n    }\n\n    return 0;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-22\">\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4e00\u8cab\u6027\u306e\u7dad\u6301<\/strong><\/li>\n<\/ol>\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 {\npublic:\n    \/\/ \u52a0\u7b97\u6f14\u7b97\u5b50\u3068\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\u306f\u5bfe\u5fdc\u3059\u308b\u52d5\u4f5c\u3092\u3059\u3079\u304d\n    String operator+(const String&amp; other) const {\n        String result = *this;\n        result += other;  \/\/ \u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\u3092\u5229\u7528\n        return result;\n    }\n\n    String&amp; operator+=(const String&amp; other) {\n        \/\/ \u5b9f\u969b\u306e\u9023\u7d50\u51e6\u7406\n        return *this;\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u8003\u616e<\/strong><\/li>\n<\/ol>\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 BigObject {\npublic:\n    \/\/ \u5927\u304d\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u53c2\u7167\u3067\u6e21\u3059\n    BigObject&amp; operator+=(const BigObject&amp; other) {\n        \/\/ \u51e6\u7406\u5185\u5bb9\n        return *this;\n    }\n\n    \/\/ \u5de6\u8fba\u5024\u53c2\u7167\u3068\u53f3\u8fba\u5024\u53c2\u7167\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\n    friend BigObject operator+(BigObject lhs, const BigObject&amp; rhs) {\n        lhs += rhs;  \/\/ \u65e2\u5b58\u306eoperator+=\u3092\u6d3b\u7528\n        return lhs;\n    }\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/strong><\/li>\n<\/ol>\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=\"\">template&lt;typename T&gt;\nclass SafeArray {\npublic:\n    T&amp; operator[](size_t index) {\n        if (index &gt;= size) {\n            throw std::out_of_range(\"Index out of bounds\");\n        }\n        return data[index];\n    }\n\n    \/\/ const\u7248\u3082\u63d0\u4f9b\n    const T&amp; operator[](size_t index) const {\n        if (index &gt;= size) {\n            throw std::out_of_range(\"Index out of bounds\");\n        }\n        return data[index];\n    }\n\nprivate:\n    T* data;\n    size_t size;\n};<\/pre>\n\n\n\n<p>\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306f\u3001\u76f4\u611f\u7684\u306a\u52d5\u4f5c\u3001\u578b\u306e\u5b89\u5168\u6027\u3001\u52b9\u7387\u6027\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u5fc5\u8981\u306a\u6f14\u7b97\u5b50\u306e\u307f\u3092\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u3057\u3001\u610f\u5473\u306e\u306a\u3044\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u306f\u907f\u3051\u308b\u3079\u304d\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-23\">\u4ee3\u5165\u6f14\u7b97\u5b50\u3068\u79fb\u52d5\u6f14\u7b97\u5b50\u306e\u9055\u3044<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u30b3\u30d4\u30fc\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>\u30b3\u30d4\u30fc\u4ee3\u5165\u6f14\u7b97\u5b50\u306f\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5185\u5bb9\u3092\u5225\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306b\u30b3\u30d4\u30fc\u3059\u308b\u969b\u306b\u4f7f\u7528\u3055\u308c\u308b\u91cd\u8981\u306a\u6f14\u7b97\u5b50\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-25\">\u57fa\u672c\u7684\u306a\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=\"\">#include &lt;iostream&gt;\n#include &lt;cstring&gt;\n\nclass String {\nprivate:\n    char* data;\n    size_t length;\n\npublic:\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    String(const char* str = \"\") : data(nullptr), length(0) {\n        if (str) {\n            length = std::strlen(str);\n            data = new char[length + 1];\n            std::strcpy(data, str);\n        }\n    }\n\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\n    ~String() {\n        delete[] data;\n    }\n\n    \/\/ \u30b3\u30d4\u30fc\u4ee3\u5165\u6f14\u7b97\u5b50\n    String&amp; operator=(const String&amp; other) {\n        if (this != &amp;other) {  \/\/ \u81ea\u5df1\u4ee3\u5165\u30c1\u30a7\u30c3\u30af\n            \/\/ \u4e00\u6642\u5909\u6570\u3092\u4f7f\u7528\u3057\u3066\u5f37\u3044\u4f8b\u5916\u4fdd\u8a3c\u3092\u63d0\u4f9b\n            char* new_data = nullptr;\n            if (other.data) {\n                new_data = new char[other.length + 1];\n                std::strcpy(new_data, other.data);\n            }\n\n            \/\/ \u53e4\u3044\u30ea\u30bd\u30fc\u30b9\u306e\u89e3\u653e\n            delete[] data;\n\n            \/\/ \u65b0\u3057\u3044\u30ea\u30bd\u30fc\u30b9\u306e\u4ee3\u5165\n            data = new_data;\n            length = other.length;\n        }\n        return *this;\n    }\n\n    \/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u51fa\u529b\n    void print() const {\n        std::cout &lt;&lt; (data ? data : \"null\") &lt;&lt; std::endl;\n    }\n};\n\nint main() {\n    String s1(\"Hello\");\n    String s2;\n    s2 = s1;  \/\/ \u30b3\u30d4\u30fc\u4ee3\u5165\u306e\u4f7f\u7528\n\n    s1.print();  \/\/ \"Hello\"\n    s2.print();  \/\/ \"Hello\"\n\n    return 0;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-26\">\u30b3\u30d4\u30fc\u4ee3\u5165\u6f14\u7b97\u5b50\u306e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u6ce8\u610f\u70b9<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u81ea\u5df1\u4ee3\u5165\u30c1\u30a7\u30c3\u30af<\/strong><\/li>\n<\/ol>\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=\"\">if (this != &amp;other) {\n    \/\/ \u4ee3\u5165\u51e6\u7406\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/strong><\/li>\n<\/ol>\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=\"\">\/\/ \u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u7528\u3057\u305fcopy-and-swap idiom\nclass Resource {\npublic:\n    void swap(Resource&amp; other) noexcept {\n        std::swap(data, other.data);\n        std::swap(size, other.size);\n    }\n\n    Resource&amp; operator=(Resource other) {  \/\/ \u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\n        swap(other);  \/\/ \u4f8b\u5916\u5b89\u5168\u306a\u4ea4\u63db\n        return *this;\n    }\n\nprivate:\n    int* data;\n    size_t size;\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-27\">\u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\u306b\u3088\u308b\u52b9\u7387\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\u306f\u3001C++11\u3067\u5c0e\u5165\u3055\u308c\u305f\u6a5f\u80fd\u3067\u3001\u4e0d\u8981\u306a\u30b3\u30d4\u30fc\u3092\u907f\u3051\u308b\u3053\u3068\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\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;iostream&gt;\n#include &lt;utility&gt;\n\nclass Buffer {\nprivate:\n    int* data;\n    size_t size;\n\npublic:\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    Buffer(size_t n) : data(new int[n]), size(n) {\n        std::cout &lt;&lt; \"Constructor: Allocated \" &lt;&lt; n &lt;&lt; \" integers\\n\";\n    }\n\n    \/\/ \u30c7\u30b9\u30c8\u30e9\u30af\u30bf\n    ~Buffer() {\n        delete[] data;\n        std::cout &lt;&lt; \"Destructor: Freed memory\\n\";\n    }\n\n    \/\/ \u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\n    Buffer&amp; operator=(Buffer&amp;&amp; other) noexcept {\n        std::cout &lt;&lt; \"Move assignment operator\\n\";\n\n        if (this != &amp;other) {\n            \/\/ \u65e2\u5b58\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u89e3\u653e\n            delete[] data;\n\n            \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u79fb\u52d5\n            data = other.data;\n            size = other.size;\n\n            \/\/ \u5143\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u7121\u52b9\u5316\n            other.data = nullptr;\n            other.size = 0;\n        }\n        return *this;\n    }\n\n    \/\/ \u30b3\u30d4\u30fc\u4ee3\u5165\u6f14\u7b97\u5b50\u306f\u660e\u793a\u7684\u306b\u524a\u9664\n    Buffer&amp; operator=(const Buffer&amp;) = delete;\n};\n\n\/\/ \u30e0\u30fc\u30d6\u3092\u4f7f\u7528\u3059\u308b\u95a2\u6570\nBuffer createBuffer(size_t size) {\n    return Buffer(size);  \/\/ RVO\uff08Return Value Optimization\uff09\u306e\u53ef\u80fd\u6027\u3042\u308a\n}\n\nint main() {\n    Buffer buf1(100);\n    Buffer buf2(200);\n\n    \/\/ \u30e0\u30fc\u30d6\u4ee3\u5165\u306e\u4f7f\u7528\n    buf2 = std::move(buf1);  \/\/ buf1\u306e\u30ea\u30bd\u30fc\u30b9\u3092buf2\u306b\u79fb\u52d5\n\n    return 0;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-28\">\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>noexcept\u306e\u4f7f\u7528<\/strong><\/li>\n<\/ol>\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=\"\">\/\/ \u4f8b\u5916\u3092\u6295\u3052\u306a\u3044\u4fdd\u8a3c\u3092\u30b3\u30f3\u30d1\u30a4\u30e9\u306b\u63d0\u4f9b\nVector&amp; operator=(Vector&amp;&amp; other) noexcept {\n    data = other.data;\n    size = other.size;\n    other.data = nullptr;\n    other.size = 0;\n    return *this;\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\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;memory&gt;\n\nclass SmartResource {\nprivate:\n    std::unique_ptr&lt;int[]&gt; data;\n    size_t size;\n\npublic:\n    \/\/ \u30e0\u30fc\u30d6\u4ee3\u5165\u6f14\u7b97\u5b50\u306f\u81ea\u52d5\u7684\u306b\u6b63\u3057\u304f\u5b9f\u88c5\u3055\u308c\u308b\n    SmartResource&amp; operator=(SmartResource&amp;&amp;) = default;\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u6761\u4ef6\u4ed8\u304d\u30e0\u30fc\u30d6\u306e\u5b9f\u88c5<\/strong><\/li>\n<\/ol>\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=\"\">template&lt;typename T&gt;\nclass Optional {\n    T* value;\npublic:\n    Optional&amp; operator=(Optional&amp;&amp; other) noexcept(\n        std::is_nothrow_move_assignable_v&lt;T&gt;\n    ) {\n        if (this != &amp;other) {\n            delete value;\n            value = other.value;\n            other.value = nullptr;\n        }\n        return *this;\n    }\n};<\/pre>\n\n\n\n<p>\u4ee3\u5165\u6f14\u7b97\u5b50\u3068\u79fb\u52d5\u6f14\u7b97\u5b50\u3092\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u52b9\u7387\u5316\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u3092\u56f3\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001\u5927\u304d\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u6271\u3046\u5834\u5408\u306f\u3001\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u4e0d\u8981\u306a\u30b3\u30d4\u30fc\u3092\u907f\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-29\">\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u9ad8\u5ea6\u306a\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-30\">\u30d5\u30e9\u30b0\u7ba1\u7406\u306b\u304a\u3051\u308b\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306e\u6d3b\u7528\u4f8b<\/h3>\n\n\n\n<p>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u306f\u3001\u30d5\u30e9\u30b0\u306e\u7ba1\u7406\u3084\u72b6\u614b\u306e\u5236\u5fa1\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u52b9\u7387\u7684\u306a\u30c4\u30fc\u30eb\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-31\">\u5217\u6319\u578b\u3092\u4f7f\u7528\u3057\u305f\u30d5\u30e9\u30b0\u7ba1\u7406<\/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;iostream&gt;\n\n\/\/ \u30d5\u30e9\u30b0\u306e\u5b9a\u7fa9\nenum class Permissions {\n    NONE     = 0,          \/\/ 0000\n    READ     = 1 &lt;&lt; 0,     \/\/ 0001\n    WRITE    = 1 &lt;&lt; 1,     \/\/ 0010\n    EXECUTE  = 1 &lt;&lt; 2,     \/\/ 0100\n    ALL      = READ | WRITE | EXECUTE  \/\/ 0111\n};\n\n\/\/ enum class\u306e\u30d3\u30c3\u30c8\u6f14\u7b97\u3092\u53ef\u80fd\u306b\u3059\u308b\u305f\u3081\u306e\u6f14\u7b97\u5b50\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\nconstexpr Permissions operator|(Permissions a, Permissions b) {\n    return static_cast&lt;Permissions&gt;(\n        static_cast&lt;int&gt;(a) | static_cast&lt;int&gt;(b)\n    );\n}\n\nconstexpr Permissions operator&amp;(Permissions a, Permissions b) {\n    return static_cast&lt;Permissions&gt;(\n        static_cast&lt;int&gt;(a) &amp; static_cast&lt;int&gt;(b)\n    );\n}\n\nclass File {\nprivate:\n    Permissions permissions;\n\npublic:\n    File() : permissions(Permissions::NONE) {}\n\n    \/\/ \u30d5\u30e9\u30b0\u306e\u8a2d\u5b9a\n    void setPermissions(Permissions p) {\n        permissions = p;\n    }\n\n    \/\/ \u7279\u5b9a\u306e\u6a29\u9650\u304c\u3042\u308b\u304b\u30c1\u30a7\u30c3\u30af\n    bool hasPermission(Permissions p) const {\n        return static_cast&lt;int&gt;(permissions &amp; p) != 0;\n    }\n\n    \/\/ \u6a29\u9650\u306e\u8ffd\u52a0\n    void addPermission(Permissions p) {\n        permissions = permissions | p;\n    }\n\n    \/\/ \u6a29\u9650\u306e\u524a\u9664\n    void removePermission(Permissions p) {\n        permissions = static_cast&lt;Permissions&gt;(\n            static_cast&lt;int&gt;(permissions) &amp; ~static_cast&lt;int&gt;(p)\n        );\n    }\n};\n\nint main() {\n    File file;\n\n    \/\/ \u8aad\u307f\u53d6\u308a\u3068\u66f8\u304d\u8fbc\u307f\u6a29\u9650\u3092\u8a2d\u5b9a\n    file.setPermissions(Permissions::READ | Permissions::WRITE);\n\n    \/\/ \u6a29\u9650\u306e\u30c1\u30a7\u30c3\u30af\n    std::cout &lt;&lt; \"Read permission: \" \n              &lt;&lt; file.hasPermission(Permissions::READ) &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"Execute permission: \" \n              &lt;&lt; file.hasPermission(Permissions::EXECUTE) &lt;&lt; std::endl;\n\n    \/\/ \u5b9f\u884c\u6a29\u9650\u306e\u8ffd\u52a0\n    file.addPermission(Permissions::EXECUTE);\n\n    \/\/ \u66f8\u304d\u8fbc\u307f\u6a29\u9650\u306e\u524a\u9664\n    file.removePermission(Permissions::WRITE);\n\n    return 0;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-32\">\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3092\u4f7f\u3063\u305f\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u30d3\u30c3\u30c8\u6f14\u7b97\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u7279\u5b9a\u306e\u6f14\u7b97\u3092\u9ad8\u901f\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-33\">\u57fa\u672c\u7684\u306a\u30d3\u30c3\u30c8\u64cd\u4f5c\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=\"\">#include &lt;iostream&gt;\n#include &lt;bitset&gt;\n\nclass BitManipulation {\npublic:\n    \/\/ 2\u306e\u3079\u304d\u4e57\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\n    static bool isPowerOfTwo(int n) {\n        return n &gt; 0 &amp;&amp; (n &amp; (n - 1)) == 0;\n    }\n\n    \/\/ \u6700\u3082\u53f3\u306e1\u30d3\u30c3\u30c8\u3092\u53d6\u5f97\n    static int getRightmostSetBit(int n) {\n        return n &amp; -n;\n    }\n\n    \/\/ 2\u3067\u5272\u308b\uff08\u53f3\u30b7\u30d5\u30c8\uff09\n    static int divideByTwo(int n) {\n        return n &gt;&gt; 1;  \/\/ n\u30922\u3067\u5272\u308b\n    }\n\n    \/\/ 2\u3092\u639b\u3051\u308b\uff08\u5de6\u30b7\u30d5\u30c8\uff09\n    static int multiplyByTwo(int n) {\n        return n &lt;&lt; 1;  \/\/ n\u306b2\u3092\u639b\u3051\u308b\n    }\n\n    \/\/ \u30d3\u30c3\u30c8\u3092\u53cd\u8ee2\n    static int flipBits(int n) {\n        return ~n;\n    }\n\n    \/\/ \u7279\u5b9a\u306e\u4f4d\u7f6e\u306e\u30d3\u30c3\u30c8\u3092\u8a2d\u5b9a\n    static int setBit(int n, int position) {\n        return n | (1 &lt;&lt; position);\n    }\n\n    \/\/ \u7279\u5b9a\u306e\u4f4d\u7f6e\u306e\u30d3\u30c3\u30c8\u3092\u30af\u30ea\u30a2\n    static int clearBit(int n, int position) {\n        return n &amp; ~(1 &lt;&lt; position);\n    }\n\n    \/\/ \u7279\u5b9a\u306e\u4f4d\u7f6e\u306e\u30d3\u30c3\u30c8\u3092\u53d6\u5f97\n    static bool getBit(int n, int position) {\n        return (n &amp; (1 &lt;&lt; position)) != 0;\n    }\n};\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u4f8b\nclass BitOptimization {\npublic:\n    \/\/ \u5076\u6570\u5224\u5b9a\uff08\u6700\u4e0b\u4f4d\u30d3\u30c3\u30c8\u3092\u30c1\u30a7\u30c3\u30af\uff09\n    static bool isEven(int n) {\n        return (n &amp; 1) == 0;\n    }\n\n    \/\/ \u7b26\u53f7\u5224\u5b9a\uff08\u6700\u4e0a\u4f4d\u30d3\u30c3\u30c8\u3092\u30c1\u30a7\u30c3\u30af\uff09\n    static bool isNegative(int n) {\n        return (n &amp; (1 &lt;&lt; 31)) != 0;\n    }\n\n    \/\/ 2\u3064\u306e\u5024\u306e\u5e73\u5747\u3092\u8a08\u7b97\uff08\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u9632\u6b62\uff09\n    static int average(int a, int b) {\n        return (a &amp; b) + ((a ^ b) &gt;&gt; 1);\n    }\n\n    \/\/ \u7d76\u5bfe\u5024\u306e\u8a08\u7b97\uff08\u5206\u5c90\u306a\u3057\uff09\n    static int abs(int n) {\n        int mask = n &gt;&gt; 31;\n        return (n + mask) ^ mask;\n    }\n};\n\nint main() {\n    int number = 42;\n    std::cout &lt;&lt; \"Binary representation: \" \n              &lt;&lt; std::bitset&lt;32&gt;(number) &lt;&lt; std::endl;\n\n    \/\/ \u30d3\u30c3\u30c8\u64cd\u4f5c\u306e\u4f8b\n    std::cout &lt;&lt; \"Is power of two: \" \n              &lt;&lt; BitManipulation::isPowerOfTwo(64) &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"Rightmost set bit: \" \n              &lt;&lt; BitManipulation::getRightmostSetBit(number) &lt;&lt; std::endl;\n\n    \/\/ \u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u306e\u4f8b\n    std::cout &lt;&lt; \"Is even: \" \n              &lt;&lt; BitOptimization::isEven(number) &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"Absolute value of -42: \" \n              &lt;&lt; BitOptimization::abs(-42) &lt;&lt; std::endl;\n\n    return 0;\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-34\">\u9ad8\u5ea6\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 AdvancedBitOperations {\npublic:\n    \/\/ \u30d3\u30c3\u30c8\u306e\u6570\u3092\u6570\u3048\u308b\uff08\u30dd\u30d4\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30ab\u30a6\u30f3\u30c8\uff09\n    static int countSetBits(int n) {\n        int count = 0;\n        while (n) {\n            n &amp;= (n - 1);  \/\/ \u6700\u3082\u53f3\u306e1\u30d3\u30c3\u30c8\u3092\u6d88\u53bb\n            count++;\n        }\n        return count;\n    }\n\n    \/\/ \u6b21\u306b\u5927\u304d\u30442\u306e\u3079\u304d\u4e57\u3092\u898b\u3064\u3051\u308b\n    static int nextPowerOf2(int n) {\n        n--;\n        n |= n &gt;&gt; 1;\n        n |= n &gt;&gt; 2;\n        n |= n &gt;&gt; 4;\n        n |= n &gt;&gt; 8;\n        n |= n &gt;&gt; 16;\n        return n + 1;\n    }\n\n    \/\/ x\u3068y\u306e\u9593\u306e\u30d3\u30c3\u30c8\u304c\u7570\u306a\u308b\u6570\u3092\u8a08\u7b97\n    static int hammingDistance(int x, int y) {\n        return countSetBits(x ^ y);\n    }\n\n    \/\/ \u30d0\u30a4\u30c8\u9806\u3092\u9006\u8ee2\n    static unsigned int reverseBytes(unsigned int n) {\n        return ((n &amp; 0xFF000000) &gt;&gt; 24) |\n               ((n &amp; 0x00FF0000) &gt;&gt; 8)  |\n               ((n &amp; 0x0000FF00) &lt;&lt; 8)  |\n               ((n &amp; 0x000000FF) &lt;&lt; 24);\n    }\n};<\/pre>\n\n\n\n<p>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3092\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u524a\u6e1b\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u5411\u4e0a\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u3001\u30d5\u30e9\u30b0\u306e\u7ba1\u7406\u3084\u4f4e\u30ec\u30d9\u30eb\u306e\u6700\u9069\u5316\u306b\u304a\u3044\u3066\u3001\u30d3\u30c3\u30c8\u6f14\u7b97\u306f\u975e\u5e38\u306b\u52b9\u679c\u7684\u306a\u30c4\u30fc\u30eb\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-35\">\u6f14\u7b97\u5b50\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-36\">\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u306b\u95a2\u3059\u308b\u4e00\u822c\u7684\u306a\u30df\u30b9<\/h3>\n\n\n\n<p>\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u306e\u8aa4\u89e3\u306f\u3001\u4e88\u671f\u305b\u306c\u30d0\u30b0\u306e\u539f\u56e0\u3068\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u3001\u4e00\u822c\u7684\u306a\u30df\u30b9\u3068\u305d\u306e\u56de\u907f\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-37\">\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u306b\u95a2\u3059\u308b\u554f\u984c<\/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;iostream&gt;\n\nvoid demonstrateOperatorPrecedence() {\n    int a = 5, b = 3, c = 7;\n\n    \/\/ \u8aa4\u3063\u305f\u4f7f\u7528\u4f8b\n    if (a &gt; b &amp;&amp; b &gt; c || a &gt; c) {  \/\/ \u512a\u5148\u9806\u4f4d\u304c\u4e0d\u660e\u78ba\n        std::cout &lt;&lt; \"\u6761\u4ef6\u304c\u771f\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u6b63\u3057\u3044\u4f7f\u7528\u4f8b\uff08\u62ec\u5f27\u3067\u660e\u793a\u7684\u306b\u512a\u5148\u9806\u4f4d\u3092\u793a\u3059\uff09\n    if ((a &gt; b &amp;&amp; b &gt; c) || a &gt; c) {\n        std::cout &lt;&lt; \"\u6761\u4ef6\u304c\u771f\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u30d3\u30c3\u30c8\u6f14\u7b97\u5b50\u3068\u8ad6\u7406\u6f14\u7b97\u5b50\u306e\u6df7\u5728\n    int flags = 0x0F;\n    int mask = 0x03;\n\n    \/\/ \u8aa4\u3063\u305f\u4f7f\u7528\u4f8b\n    if (flags &amp; mask != 0) {  \/\/ != \u306e\u512a\u5148\u9806\u4f4d\u304c &amp; \u3088\u308a\u9ad8\u3044\n        std::cout &lt;&lt; \"\u30d5\u30e9\u30b0\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\" &lt;&lt; std::endl;\n    }\n\n    \/\/ \u6b63\u3057\u3044\u4f7f\u7528\u4f8b\n    if ((flags &amp; mask) != 0) {\n        std::cout &lt;&lt; \"\u30d5\u30e9\u30b0\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\" &lt;&lt; std::endl;\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-38\">\u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\u3067\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=\"\">#include &lt;iostream&gt;\n\nclass Counter {\nprivate:\n    int value;\n\npublic:\n    Counter(int v = 0) : value(v) {}\n\n    \/\/ \u524d\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\n    Counter&amp; operator++() {\n        ++value;\n        return *this;\n    }\n\n    \/\/ \u5f8c\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\uff08\u975e\u52b9\u7387\u7684\u306a\u53ef\u80fd\u6027\u3042\u308a\uff09\n    Counter operator++(int) {\n        Counter temp = *this;\n        ++value;\n        return temp;\n    }\n\n    \/\/ \u8907\u5408\u4ee3\u5165\u6f14\u7b97\u5b50\n    Counter&amp; operator+=(const Counter&amp; other) {\n        value += other.value;\n        return *this;\n    }\n\n    int getValue() const { return value; }\n};\n\nvoid demonstrateCompoundAssignment() {\n    Counter c1(5), c2(3);\n\n    \/\/ \u63a8\u5968\u3055\u308c\u308b\u4f7f\u7528\u65b9\u6cd5\n    c1 += c2;  \/\/ \u52b9\u7387\u7684\n\n    \/\/ \u975e\u52b9\u7387\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\n    c1 = c1 + c2;  \/\/ \u4e00\u6642\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u304c\u4f5c\u6210\u3055\u308c\u308b\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-39\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u6f14\u7b97\u5b50\u306e\u9078\u629e\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u6f14\u7b97\u5b50\u306e\u9078\u629e\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u6f14\u7b97\u5b50\u306e\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-40\">\u52b9\u7387\u7684\u306a\u6f14\u7b97\u5b50\u306e\u4f7f\u7528\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=\"\">#include &lt;iostream&gt;\n#include &lt;vector&gt;\n#include &lt;string&gt;\n\nclass StringWrapper {\nprivate:\n    std::string data;\n\npublic:\n    StringWrapper(const std::string&amp; s) : data(s) {}\n\n    \/\/ \u52b9\u7387\u7684\u306a\u4ee3\u5165\u6f14\u7b97\u5b50\uff08\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\uff09\n    StringWrapper&amp; operator=(StringWrapper&amp;&amp; other) noexcept {\n        if (this != &amp;other) {\n            data = std::move(other.data);\n        }\n        return *this;\n    }\n\n    \/\/ const\u53c2\u7167\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u52a0\u7b97\n    StringWrapper&amp; operator+=(const StringWrapper&amp; other) {\n        data += other.data;\n        return *this;\n    }\n};\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\nclass PerformanceExample {\npublic:\n    \/\/ \u30d3\u30c3\u30c8\u6f14\u7b97\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u8a08\u7b97\n    static bool isPowerOfTwo(int n) {\n        return n &gt; 0 &amp;&amp; (n &amp; (n - 1)) == 0;\n    }\n\n    \/\/ \u52b9\u7387\u7684\u306a\u30eb\u30fc\u30d7\u30ab\u30a6\u30f3\u30bf\u306e\u4f7f\u7528\n    static void efficientLoop() {\n        std::vector&lt;int&gt; vec(1000);\n\n        \/\/ \u52b9\u7387\u7684\u306a\u65b9\u6cd5\n        for (size_t i = 0; i &lt; vec.size(); ++i) {  \/\/ \u524d\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\n            vec[i] = static_cast&lt;int&gt;(i);\n        }\n\n        \/\/ \u3088\u308a\u52b9\u7387\u7684\u306a\u65b9\u6cd5\uff08\u7bc4\u56f2\u30d9\u30fc\u30b9\u306efor\uff09\n        for (auto&amp; element : vec) {\n            element *= 2;\n        }\n    }\n\n    \/\/ \u6761\u4ef6\u6f14\u7b97\u5b50\u306e\u52b9\u7387\u7684\u306a\u4f7f\u7528\n    static int findMin(int a, int b) {\n        return (a &lt; b) ? a : b;  \/\/ \u5206\u5c90\u3092\u907f\u3051\u308b\n    }\n};<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-41\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u306e\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\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 OptimizedContainer {\nprivate:\n    std::vector&lt;int&gt; data;\n\npublic:\n    \/\/ \u52b9\u7387\u7684\u306a\u30a2\u30af\u30bb\u30b9\u6f14\u7b97\u5b50\n    const int&amp; operator[](size_t index) const {\n        return data[index];  \/\/ \u5883\u754c\u30c1\u30a7\u30c3\u30af\u306a\u3057\uff08\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u91cd\u8996\uff09\n    }\n\n    \/\/ \u5b89\u5168\u306a\u30a2\u30af\u30bb\u30b9\u6f14\u7b97\u5b50\n    const int&amp; at(size_t index) const {\n        if (index &gt;= data.size()) {\n            throw std::out_of_range(\"Index out of bounds\");\n        }\n        return data[index];\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u6f14\u7b97\u5b50\u306e\u30a4\u30f3\u30e9\u30a4\u30f3\u5316<\/strong><\/li>\n<\/ol>\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 SmallObject {\n    int value;\npublic:\n    \/\/ \u5c0f\u3055\u306a\u6f14\u7b97\u5b50\u306f\u30a4\u30f3\u30e9\u30a4\u30f3\u5316\u3092\u8003\u616e\n    inline SmallObject&amp; operator+=(const SmallObject&amp; other) {\n        value += other.value;\n        return *this;\n    }\n};<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u6f14\u7b97\u5b50\u306e\u5b9f\u88c5<\/strong><\/li>\n<\/ol>\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;double&gt; data;\n    size_t rows, cols;\n\npublic:\n    \/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u884c\u512a\u5148\u30a2\u30af\u30bb\u30b9\n    double&amp; operator()(size_t i, size_t j) {\n        return data[i * cols + j];\n    }\n};<\/pre>\n\n\n\n<p>\u6f14\u7b97\u5b50\u3092\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3001\u4fdd\u5b88\u6027\u3001\u305d\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u3092\u6255\u3046\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6f14\u7b97\u5b50\u306e\u512a\u5148\u9806\u4f4d\u304c\u4e0d\u660e\u78ba\u306a\u5834\u5408\u306f\u3001\u62ec\u5f27\u3092\u4f7f\u7528\u3057\u3066\u660e\u793a\u7684\u306b\u793a\u3059<\/li>\n\n\n\n<li>\u52b9\u7387\u7684\u306a\u6f14\u7b97\u5b50\uff08\u524d\u7f6e\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u306a\u3069\uff09\u3092\u512a\u5148\u7684\u306b\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u5834\u5408\u306f\u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u6d3b\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u6f14\u7b97\u5b50\u306e\u30aa\u30fc\u30d0\u30fc\u30ed\u30fc\u30c9\u6642\u306f\u3001\u4e00\u8cab\u6027\u306e\u3042\u308b\u76f4\u611f\u7684\u306a\u52d5\u4f5c\u3092\u7dad\u6301\u3059\u308b<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u90e8\u5206\u3067\u306f\u3001\u6700\u9069\u5316\u3055\u308c\u305f\u6f14\u7b97\u5b50\u306e\u5b9f\u88c5\u3092\u691c\u8a0e\u3059\u308b<\/li>\n<\/ul>\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-1674","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\/1674","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=1674"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1674\/revisions"}],"predecessor-version":[{"id":1675,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1674\/revisions\/1675"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}