{"id":1783,"date":"2025-03-24T08:49:54","date_gmt":"2025-03-23T23:49:54","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1783"},"modified":"2025-03-24T08:49:54","modified_gmt":"2025-03-23T23:49:54","slug":"%e5%ae%8c%e5%85%a8%e3%83%9e%e3%82%b9%e3%82%bf%e3%83%bc%ef%bc%81c-list%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%e3%81%a8%e5%ae%9f%e8%b7%b5%e7%9a%84%e3%81%aa%e6%b4%bb%e7%94%a8%e3%83%86%e3%82%af%e3%83%8b","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1783","title":{"rendered":"\u5b8c\u5168\u30de\u30b9\u30bf\u30fc\uff01C++ list\u306e\u4f7f\u3044\u65b9\u3068\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u30c6\u30af\u30cb\u30c3\u30af12\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++ list\u3068\u306f\uff1f\u7279\u5fb4\u3068\u57fa\u672c\u6982\u5ff5\u3092\u7406\u89e3\u3057\u3088\u3046<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u53cc\u65b9\u5411\u30ea\u30b9\u30c8\u3068\u3057\u3066\u306elist\u30af\u30e9\u30b9\u306e\u7279\u5fb4<\/a>      <\/li>      <li>        <a href=\"#i-2\">vector\u3068\u6bd4\u8f03\u3057\u305f\u3068\u304d\u306elist\u306e\u5f37\u307f<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">\u30e1\u30e2\u30ea\u52b9\u7387\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u7279\u6027<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">std::list\u306e\u57fa\u672c\u64cd\u4f5c\u30de\u30b9\u30bf\u30fc\u30ac\u30a4\u30c9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">\u8981\u7d20\u306e\u8ffd\u52a0\u3068\u524a\u9664\u3092\u52b9\u7387\u7684\u306b\u884c\u3046\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u305f\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3068\u64cd\u4f5c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-7\">\u30ea\u30b9\u30c8\u306e\u7d50\u5408\u3068\u30b9\u30d7\u30e9\u30a4\u30b7\u30f3\u30b0\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">\u5b9f\u8df5\u7684\u306alist\u306e\u6d3b\u7528\u30b7\u30fc\u30f3\u3068\u5b9f\u88c5\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">\u5927\u91cf\u30c7\u30fc\u30bf\u306e\u52d5\u7684\u306a\u8ffd\u52a0\u30fb\u524a\u9664\u304c\u5fc5\u8981\u306a\u5834\u9762\u3067\u306e\u6d3b\u7528\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-10\">\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3068\u3057\u3066\u306e\u4f7f\u3044\u65b9<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-11\">\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u306e\u5b89\u5168\u306a\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-12\">list\u3092\u4f7f\u7528\u3059\u308b\u969b\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-13\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u3050\u305f\u3081\u306e\u9069\u5207\u306a\u7ba1\u7406\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-14\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u56de\u907f\u3059\u308b\u30b3\u30c4<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-16\">C++20\u4ee5\u964d\u306elist\u306e\u65b0\u6a5f\u80fd\u3068\u5c06\u6765\u5c55\u671b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u30e2\u30c0\u30f3C++\u3067\u306e\u65b0\u3057\u3044\u6a5f\u80fd\u3068\u6539\u5584\u70b9<\/a>      <\/li>      <li>        <a href=\"#i-18\">\u5c06\u6765\u7684\u306a\u62e1\u5f35\u3068\u9032\u5316\u306e\u65b9\u5411\u6027<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u4ee3\u66ff\u30b3\u30f3\u30c6\u30ca\u3068\u306e\u4f7f\u3044\u5206\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/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++ list\u3068\u306f\uff1f\u7279\u5fb4\u3068\u57fa\u672c\u6982\u5ff5\u3092\u7406\u89e3\u3057\u3088\u3046<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u53cc\u65b9\u5411\u30ea\u30b9\u30c8\u3068\u3057\u3066\u306elist\u30af\u30e9\u30b9\u306e\u7279\u5fb4<\/h3>\n\n\n\n<p>C++\u306eSTL\uff08Standard Template Library\uff09\u306b\u542b\u307e\u308c\u308b<code>std::list<\/code>\u306f\u3001\u53cc\u65b9\u5411\u30ea\u30f3\u30af\u30c9\u30ea\u30b9\u30c8\u3068\u3057\u3066\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5404\u8981\u7d20\uff08\u30ce\u30fc\u30c9\uff09\u304c\u524d\u5f8c\u306e\u8981\u7d20\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u6301\u3064\u3053\u3068\u3067\u3001\u4e21\u65b9\u5411\u3078\u306e\u79fb\u52d5\u304c\u53ef\u80fd\u306a\u67d4\u8edf\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u63d0\u4f9b\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;list&gt;\n#include &lt;iostream&gt;\n\nint main() {\n    \/\/ list\u306e\u521d\u671f\u5316\n    std::list&lt;int&gt; numbers = {1, 2, 3, 4, 5};\n\n    \/\/ \u524d\u5f8c\u3069\u3061\u3089\u306b\u3082\u8981\u7d20\u3092\u8ffd\u52a0\u53ef\u80fd\n    numbers.push_front(0);    \/\/ \u5148\u982d\u306b\u8ffd\u52a0\n    numbers.push_back(6);     \/\/ \u672b\u5c3e\u306b\u8ffd\u52a0\n\n    \/\/ \u53cc\u65b9\u5411\u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u305f\u8d70\u67fb\n    for(auto it = numbers.begin(); it != numbers.end(); ++it) {\n        std::cout &lt;&lt; *it &lt;&lt; \" \";  \/\/ \u51fa\u529b: 0 1 2 3 4 5 6\n    }\n    return 0;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">vector\u3068\u6bd4\u8f03\u3057\u305f\u3068\u304d\u306elist\u306e\u5f37\u307f<\/h3>\n\n\n\n<p><code>std::list<\/code>\u3068<code>std::vector<\/code>\u306f\u7570\u306a\u308b\u7279\u6027\u3092\u6301\u3064\u30b3\u30f3\u30c6\u30ca\u3067\u3042\u308a\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067<code>list<\/code>\u304c\u7279\u306b\u5a01\u529b\u3092\u767a\u63ee\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8981\u7d20\u306e\u633f\u5165\u30fb\u524a\u9664\u304c\u983b\u7e41\u306a\u5834\u5408<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ea\u30b9\u30c8\u306e\u4efb\u610f\u306e\u4f4d\u7f6e\u3067\u306e\u633f\u5165\u30fb\u524a\u9664\u64cd\u4f5c\u304c O(1) \u306e\u6642\u9593\u8907\u96d1\u5ea6<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u306e\u518d\u5272\u308a\u5f53\u3066\u304c\u4e0d\u8981<\/li>\n<\/ul>\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=\"\">std::list&lt;int&gt; list_container;\n\/\/ \u8981\u7d20\u306e\u633f\u5165\u306f\u9ad8\u901f\uff08O(1)\uff09\nauto it = list_container.begin();\nlist_container.insert(it, 42);    \/\/ \u5148\u982d\u306b42\u3092\u633f\u5165\n\n\/\/ \u8981\u7d20\u306e\u524a\u9664\u3082\u9ad8\u901f\uff08O(1)\uff09\nlist_container.erase(it);         \/\/ \u6307\u5b9a\u4f4d\u7f6e\u306e\u8981\u7d20\u3092\u524a\u9664<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u306e\u65ad\u7247\u5316\u3092\u907f\u3051\u305f\u3044\u5834\u5408<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5404\u8981\u7d20\u304c\u72ec\u7acb\u3057\u3066\u30e1\u30e2\u30ea\u306b\u914d\u7f6e\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u5927\u304d\u306a\u30e1\u30e2\u30ea\u30d6\u30ed\u30c3\u30af\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">\u30e1\u30e2\u30ea\u52b9\u7387\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u7279\u6027<\/h3>\n\n\n\n<p><code>std::list<\/code>\u306e\u30e1\u30e2\u30ea\u69cb\u9020\u3068\u6027\u80fd\u7279\u6027\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u3066\u304a\u304f\u3079\u304d\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a<\/p>\n\n\n<div id=\"id-dbf13770-9ee7-45a3-ada4-d3138a1e9181\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u64cd\u4f5c<\/th><th>\u6642\u9593\u8907\u96d1\u5ea6<\/th><th>\u7279\u5fb4<\/th><\/tr><\/thead><tbody><tr><td>\u633f\u5165\/\u524a\u9664<\/td><td>O(1)<\/td><td>\u3069\u306e\u4f4d\u7f6e\u3067\u3082\u4e00\u5b9a\u6642\u9593<\/td><\/tr><tr><td>\u8981\u7d20\u30a2\u30af\u30bb\u30b9<\/td><td>O(n)<\/td><td>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u3088\u308b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u4e0d\u53ef<\/td><\/tr><tr><td>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf<\/td><td>\u8981\u7d20\u6570 \u00d7 (\u30c7\u30fc\u30bf\u30b5\u30a4\u30ba + 2\u3064\u306e\u30dd\u30a4\u30f3\u30bf)<\/td><td>\u5404\u8981\u7d20\u306b\u8ffd\u52a0\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u30e1\u30e2\u30ea\u52b9\u7387\u3092\u6700\u5927\u9650\u6d3b\u7528\u3059\u308b\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\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=\"\">\/\/ \u30ab\u30b9\u30bf\u30e0\u30a2\u30ed\u30b1\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u305f\u6700\u9069\u5316\u4f8b\ntemplate &lt;typename T&gt;\nusing CustomAllocList = std::list&lt;T, CustomAllocator&lt;T&gt;&gt;;\n\nCustomAllocList&lt;int&gt; optimized_list;\n\/\/ \u30e1\u30e2\u30ea\u30d7\u30fc\u30eb\u304b\u3089\u306e\u52b9\u7387\u7684\u306a\u5272\u308a\u5f53\u3066\u304c\u53ef\u80fd<\/pre>\n\n\n\n<p>\u3053\u306e\u57fa\u672c\u7684\u306a\u7406\u89e3\u306f\u3001\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u9078\u629e\u3068\u5b9f\u88c5\u306e\u57fa\u790e\u3068\u306a\u308a\u307e\u3059\u3002\u7d9a\u304f\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u7279\u5fb4\u3092\u6d3b\u304b\u3057\u305f\u5177\u4f53\u7684\u306a\u64cd\u4f5c\u65b9\u6cd5\u3068\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u4f8b\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">std::list\u306e\u57fa\u672c\u64cd\u4f5c\u30de\u30b9\u30bf\u30fc\u30ac\u30a4\u30c9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u8981\u7d20\u306e\u8ffd\u52a0\u3068\u524a\u9664\u3092\u52b9\u7387\u7684\u306b\u884c\u3046\u65b9\u6cd5<\/h3>\n\n\n\n<p>std::list\u306e\u8981\u7d20\u64cd\u4f5c\u306f\u3001\u305d\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u7279\u6027\u3092\u6d3b\u304b\u3059\u3053\u3068\u3067\u975e\u5e38\u306b\u52b9\u7387\u7684\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u4e3b\u8981\u306a\u64cd\u4f5c\u65b9\u6cd5\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\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;list&gt;\n#include &lt;string&gt;\n\nint main() {\n    std::list&lt;std::string&gt; tasks;\n\n    \/\/ \u8981\u7d20\u306e\u8ffd\u52a0\uff08\u672b\u5c3e\uff09\n    tasks.push_back(\"\u30bf\u30b9\u30af1\");    \/\/ O(1)\u306e\u8a08\u7b97\u91cf\n\n    \/\/ \u8981\u7d20\u306e\u8ffd\u52a0\uff08\u5148\u982d\uff09\n    tasks.push_front(\"\u7dca\u6025\u30bf\u30b9\u30af\"); \/\/ O(1)\u306e\u8a08\u7b97\u91cf\n\n    \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u305f\u4efb\u610f\u306e\u4f4d\u7f6e\u3078\u306e\u633f\u5165\n    auto it = std::next(tasks.begin()); \/\/ 2\u756a\u76ee\u306e\u4f4d\u7f6e\u3092\u53d6\u5f97\n    tasks.insert(it, \"\u65b0\u898f\u30bf\u30b9\u30af\");     \/\/ O(1)\u306e\u8a08\u7b97\u91cf\n\n    \/\/ \u8907\u6570\u8981\u7d20\u306e\u4e00\u62ec\u633f\u5165\n    std::list&lt;std::string&gt; new_tasks = {\"\u30bf\u30b9\u30af2\", \"\u30bf\u30b9\u30af3\"};\n    tasks.insert(tasks.end(), new_tasks.begin(), new_tasks.end());\n\n    \/\/ \u8981\u7d20\u306e\u524a\u9664\n    tasks.pop_front();  \/\/ \u5148\u982d\u8981\u7d20\u3092\u524a\u9664\n    tasks.pop_back();   \/\/ \u672b\u5c3e\u8981\u7d20\u3092\u524a\u9664\n\n    \/\/ \u6761\u4ef6\u306b\u57fa\u3065\u304f\u8981\u7d20\u306e\u524a\u9664\n    tasks.remove_if([](const std::string&amp; task) {\n        return task.starts_with(\"\u30bf\u30b9\u30af\");  \/\/ \"\u30bf\u30b9\u30af\"\u3067\u59cb\u307e\u308b\u8981\u7d20\u3092\u524a\u9664\n    });\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u305f\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3068\u64cd\u4f5c<\/h3>\n\n\n\n<p>\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3068\u64cd\u4f5c\u306f\u3001\u4e3b\u306b\u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u901a\u3058\u3066\u884c\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u52b9\u7387\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\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;list&gt;\n#include &lt;algorithm&gt;\n\nclass Task {\npublic:\n    int priority;\n    std::string name;\n\n    Task(int p, std::string n) : priority(p), name(std::move(n)) {}\n};\n\nint main() {\n    std::list&lt;Task&gt; task_list;\n\n    \/\/ \u8981\u7d20\u306e\u8ffd\u52a0\n    task_list.emplace_back(1, \"\u9ad8\u512a\u5148\u5ea6\u30bf\u30b9\u30af\");\n    task_list.emplace_back(2, \"\u4e2d\u512a\u5148\u5ea6\u30bf\u30b9\u30af\");\n    task_list.emplace_back(3, \"\u4f4e\u512a\u5148\u5ea6\u30bf\u30b9\u30af\");\n\n    \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u305f\u8981\u7d20\u306e\u691c\u7d22\n    auto it = std::find_if(task_list.begin(), task_list.end(),\n        [](const Task&amp; task) { return task.priority == 2; });\n\n    if (it != task_list.end()) {\n        \/\/ \u8981\u7d20\u306e\u66f4\u65b0\n        it-&gt;priority = 1;  \/\/ \u512a\u5148\u5ea6\u3092\u5909\u66f4\n\n        \/\/ \u8981\u7d20\u306e\u633f\u5165\uff08\u898b\u3064\u304b\u3063\u305f\u8981\u7d20\u306e\u524d\u306b\uff09\n        task_list.emplace(it, 1, \"\u65b0\u898f\u306e\u9ad8\u512a\u5148\u5ea6\u30bf\u30b9\u30af\");\n    }\n\n    \/\/ \u9006\u9806\u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u4f7f\u7528\n    for (auto rit = task_list.rbegin(); rit != task_list.rend(); ++rit) {\n        \/\/ \u512a\u5148\u5ea6\u306e\u4f4e\u3044\u9806\u306b\u51e6\u7406\n        std::cout &lt;&lt; rit-&gt;name &lt;&lt; \": \" &lt;&lt; rit-&gt;priority &lt;&lt; std::endl;\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-7\">\u30ea\u30b9\u30c8\u306e\u7d50\u5408\u3068\u30b9\u30d7\u30e9\u30a4\u30b7\u30f3\u30b0\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>std::list\u306f\u3001\u4ed6\u306e\u30ea\u30b9\u30c8\u3068\u306e\u7d50\u5408\u3084\u8981\u7d20\u306e\u79fb\u52d5\uff08\u30b9\u30d7\u30e9\u30a4\u30b7\u30f3\u30b0\uff09\u3092\u52b9\u7387\u7684\u306b\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u64cd\u4f5c\u306f\u3001\u30e1\u30e2\u30ea\u306e\u518d\u5272\u308a\u5f53\u3066\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u7279\u5fb4\u304c\u3042\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=\"\">#include &lt;list&gt;\n\nint main() {\n    std::list&lt;int&gt; main_list = {1, 2, 3};\n    std::list&lt;int&gt; secondary_list = {4, 5, 6};\n    std::list&lt;int&gt; temp_list = {7, 8, 9};\n\n    \/\/ \u30ea\u30b9\u30c8\u306e\u7d50\u5408\uff08merge\uff09- \u30bd\u30fc\u30c8\u6e08\u307f\u30ea\u30b9\u30c8\u306e\u5834\u5408\n    main_list.sort();\n    secondary_list.sort();\n    main_list.merge(secondary_list);  \/\/ secondary_list\u306f\u7a7a\u306b\u306a\u308b\n\n    \/\/ \u30b9\u30d7\u30e9\u30a4\u30b7\u30f3\u30b0 - \u8981\u7d20\u306e\u79fb\u52d5\n    \/\/ \u5358\u4e00\u8981\u7d20\u306e\u30b9\u30d7\u30e9\u30a4\u30b7\u30f3\u30b0\n    auto it = temp_list.begin();\n    main_list.splice(main_list.end(), temp_list, it);  \/\/ \u8981\u7d207\u304c\u79fb\u52d5\n\n    \/\/ \u7bc4\u56f2\u30b9\u30d7\u30e9\u30a4\u30b7\u30f3\u30b0\n    main_list.splice(main_list.begin(),        \/\/ \u633f\u5165\u4f4d\u7f6e\n                    temp_list,                  \/\/ \u79fb\u52d5\u5143\u30ea\u30b9\u30c8\n                    temp_list.begin(),          \/\/ \u7bc4\u56f2\u958b\u59cb\n                    temp_list.end());           \/\/ \u7bc4\u56f2\u7d42\u4e86\n\n    \/\/ \u30b7\u30fc\u30b1\u30f3\u30b9\u306e\u4e26\u3079\u66ff\u3048\n    main_list.reverse();  \/\/ \u30ea\u30b9\u30c8\u3092\u9006\u9806\u306b\u3059\u308b\n\n    \/\/ \u6761\u4ef6\u306b\u57fa\u3065\u304f\u8981\u7d20\u306e\u79fb\u52d5\n    std::list&lt;int&gt; even_numbers;\n    std::list&lt;int&gt; odd_numbers;\n\n    for (auto it = main_list.begin(); it != main_list.end();) {\n        if (*it % 2 == 0) {\n            even_numbers.splice(even_numbers.end(), main_list, it++);\n        } else {\n            odd_numbers.splice(odd_numbers.end(), main_list, it++);\n        }\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u64cd\u4f5c\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u7ba1\u7406\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u7279\u306b\u3001\u8981\u7d20\u306e\u79fb\u52d5\u3084\u7d50\u5408\u304c\u983b\u7e41\u306b\u5fc5\u8981\u3068\u306a\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001std::list\u306e\u7279\u6027\u3092\u6d3b\u304b\u3057\u305f\u5b9f\u88c5\u304c\u6709\u52b9\u3067\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u64cd\u4f5c\u3092\u5b9f\u969b\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u9069\u7528\u3059\u308b\u65b9\u6cd5\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">\u5b9f\u8df5\u7684\u306alist\u306e\u6d3b\u7528\u30b7\u30fc\u30f3\u3068\u5b9f\u88c5\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u5927\u91cf\u30c7\u30fc\u30bf\u306e\u52d5\u7684\u306a\u8ffd\u52a0\u30fb\u524a\u9664\u304c\u5fc5\u8981\u306a\u5834\u9762\u3067\u306e\u6d3b\u7528\u6cd5<\/h3>\n\n\n\n<p>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u3092\u6271\u3046\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u52d5\u7684\u306a\u8ffd\u52a0\u30fb\u524a\u9664\u304c\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u3002std::list\u306f\u3053\u306e\u3088\u3046\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u7279\u306b\u5a01\u529b\u3092\u767a\u63ee\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;list&gt;\n#include &lt;chrono&gt;\n#include &lt;memory&gt;\n\n\/\/ \u30a4\u30d9\u30f3\u30c8\u30ad\u30e5\u30fc\u306e\u5b9f\u88c5\u4f8b\nclass EventQueue {\nprivate:\n    std::list&lt;std::shared_ptr&lt;Event&gt;&gt; events;\n\npublic:\n    void addEvent(std::shared_ptr&lt;Event&gt; event) {\n        \/\/ O(1)\u3067\u306e\u633f\u5165\n        auto it = std::find_if(events.begin(), events.end(),\n            [&amp;](const auto&amp; e) { return e-&gt;priority &gt; event-&gt;priority; });\n        events.insert(it, event);\n    }\n\n    void processEvents() {\n        auto now = std::chrono::system_clock::now();\n\n        \/\/ \u671f\u9650\u5207\u308c\u30a4\u30d9\u30f3\u30c8\u306e\u52b9\u7387\u7684\u306a\u524a\u9664\n        events.remove_if([&amp;](const auto&amp; event) {\n            return event-&gt;deadline &lt; now;\n        });\n\n        \/\/ \u6b8b\u308a\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\n        for (const auto&amp; event : events) {\n            event-&gt;process();\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3068\u3057\u3066\u306e\u4f7f\u3044\u65b9<\/h3>\n\n\n\n<p>\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u30d1\u30bf\u30fc\u30f3\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u3067\u3001list\u306e\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;list&gt;\n#include &lt;memory_resource&gt;\n\n\/\/ \u30ab\u30b9\u30bf\u30e0\u30e1\u30e2\u30ea\u30a2\u30ed\u30b1\u30fc\u30bf\u3092\u4f7f\u7528\u3057\u305f\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u30ea\u30b9\u30c8\ntemplate&lt;typename T, size_t BlockSize = 4096&gt;\nclass CacheFriendlyList {\nprivate:\n    \/\/ \u30e1\u30e2\u30ea\u30d7\u30fc\u30eb\u7528\u306e\u30d0\u30c3\u30d5\u30a1\n    std::array&lt;std::byte, BlockSize&gt; buffer;\n    std::pmr::monotonic_buffer_resource memory_resource{buffer.data(), buffer.size()};\n    std::pmr::list&lt;T&gt; data{&amp;memory_resource};\n\npublic:\n    void add(const T&amp; item) {\n        \/\/ \u30e1\u30e2\u30ea\u30d7\u30fc\u30eb\u5185\u306b\u914d\u7f6e\n        data.push_back(item);\n    }\n\n    void process() {\n        \/\/ \u9023\u7d9a\u3057\u305f\u30e1\u30e2\u30ea\u9818\u57df\u5185\u306e\u30c7\u30fc\u30bf\u3092\u51e6\u7406\n        for (auto&amp; item : data) {\n            \/\/ \u30c7\u30fc\u30bf\u51e6\u7406\n            process_item(item);\n        }\n    }\n\n    \/\/ \u30d0\u30c3\u30c1\u51e6\u7406\u7528\u306e\u30e1\u30bd\u30c3\u30c9\n    template&lt;typename Func&gt;\n    void batch_process(size_t batch_size, Func processor) {\n        auto it = data.begin();\n        while (it != data.end()) {\n            std::vector&lt;std::reference_wrapper&lt;T&gt;&gt; batch;\n            batch.reserve(batch_size);\n\n            for (size_t i = 0; i &lt; batch_size &amp;&amp; it != data.end(); ++i) {\n                batch.push_back(std::ref(*it));\n                ++it;\n            }\n\n            processor(batch);\n        }\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u306e\u5b89\u5168\u306a\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067list\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u9069\u5207\u306a\u540c\u671f\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u5fc5\u8981\u3067\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;list&gt;\n#include &lt;mutex&gt;\n#include &lt;shared_mutex&gt;\n#include &lt;thread&gt;\n\ntemplate&lt;typename T&gt;\nclass ThreadSafeList {\nprivate:\n    std::list&lt;T&gt; data;\n    mutable std::shared_mutex mutex;  \/\/ \u8aad\u307f\u66f8\u304d\u30ed\u30c3\u30af\n\npublic:\n    \/\/ \u8981\u7d20\u306e\u8ffd\u52a0\uff08\u66f8\u304d\u8fbc\u307f\u30ed\u30c3\u30af\uff09\n    void push_back(const T&amp; value) {\n        std::unique_lock&lt;std::shared_mutex&gt; lock(mutex);\n        data.push_back(value);\n    }\n\n    \/\/ \u8981\u7d20\u306e\u691c\u7d22\uff08\u8aad\u307f\u8fbc\u307f\u30ed\u30c3\u30af\uff09\n    bool contains(const T&amp; value) const {\n        std::shared_lock&lt;std::shared_mutex&gt; lock(mutex);\n        return std::find(data.begin(), data.end(), value) != data.end();\n    }\n\n    \/\/ \u6761\u4ef6\u306b\u57fa\u3065\u304f\u8981\u7d20\u306e\u524a\u9664\uff08\u66f8\u304d\u8fbc\u307f\u30ed\u30c3\u30af\uff09\n    template&lt;typename Predicate&gt;\n    void remove_if(Predicate pred) {\n        std::unique_lock&lt;std::shared_mutex&gt; lock(mutex);\n        data.remove_if(pred);\n    }\n\n    \/\/ \u4e26\u884c\u51e6\u7406\u53ef\u80fd\u306a\u30a4\u30c6\u30ec\u30fc\u30b7\u30e7\u30f3\n    template&lt;typename Function&gt;\n    void parallel_for_each(Function f) {\n        std::shared_lock&lt;std::shared_mutex&gt; lock(mutex);\n        std::vector&lt;std::thread&gt; threads;\n\n        \/\/ \u30c7\u30fc\u30bf\u3092\u5206\u5272\u3057\u3066\u4e26\u5217\u51e6\u7406\n        size_t chunk_size = data.size() \/ std::thread::hardware_concurrency();\n        auto it = data.begin();\n\n        for (size_t i = 0; i &lt; std::thread::hardware_concurrency() &amp;&amp; it != data.end(); ++i) {\n            auto chunk_end = std::next(it, std::min(chunk_size, \n                static_cast&lt;size_t&gt;(std::distance(it, data.end()))));\n\n            threads.emplace_back([it, chunk_end, &amp;f]() {\n                std::for_each(it, chunk_end, f);\n            });\n\n            it = chunk_end;\n        }\n\n        \/\/ \u30b9\u30ec\u30c3\u30c9\u306e\u7d42\u4e86\u3092\u5f85\u6a5f\n        for (auto&amp; thread : threads) {\n            thread.join();\n        }\n    }\n};<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u306f\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u767a\u751f\u3059\u308b\u69d8\u3005\u306a\u8981\u4ef6\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5b9f\u88c5\u3092\u884c\u3046\u969b\u306e\u6ce8\u610f\u70b9\u3068\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-12\">list\u3092\u4f7f\u7528\u3059\u308b\u969b\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-13\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u3050\u305f\u3081\u306e\u9069\u5207\u306a\u7ba1\u7406\u65b9\u6cd5<\/h3>\n\n\n\n<p>std::list\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u30e1\u30e2\u30ea\u7ba1\u7406\u306f\u3001\u7279\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u4ee5\u4e0b\u306b\u4e3b\u8981\u306a\u6ce8\u610f\u70b9\u3068\u305d\u306e\u5bfe\u7b56\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;list&gt;\n#include &lt;memory&gt;\n\nclass Resource {\npublic:\n    Resource() = default;\n    ~Resource() {\n        \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\n        cleanup();\n    }\nprivate:\n    void cleanup() {\n        \/\/ \u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u51e6\u7406\n    }\n};\n\n\/\/ \u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u9632\u6b62\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\nvoid demonstrate_memory_management() {\n    \/\/ 1. \u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306e\u4f7f\u7528\n    std::list&lt;std::unique_ptr&lt;Resource&gt;&gt; resources;\n\n    \/\/ \u81ea\u52d5\u7684\u306b\u30e1\u30e2\u30ea\u7ba1\u7406\u3055\u308c\u308b\u8981\u7d20\u306e\u8ffd\u52a0\n    resources.push_back(std::make_unique&lt;Resource&gt;());\n\n    \/\/ 2. RAII\u539f\u5247\u306e\u9069\u7528\n    class ListWrapper {\n    private:\n        std::list&lt;Resource&gt; resources;\n    public:\n        ~ListWrapper() {\n            \/\/ \u30ea\u30b9\u30c8\u306e\u8981\u7d20\u306f\u81ea\u52d5\u7684\u306b\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u3055\u308c\u308b\n            resources.clear();\n        }\n    };\n\n    \/\/ 3. \u30ab\u30b9\u30bf\u30e0\u30c7\u30ea\u30fc\u30bf\u306e\u4f7f\u7528\n    auto custom_deleter = [](Resource* r) {\n        \/\/ \u30ab\u30b9\u30bf\u30e0\u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\u30ed\u30b8\u30c3\u30af\n        delete r;\n    };\n    std::list&lt;std::unique_ptr&lt;Resource, decltype(custom_deleter)&gt;&gt; \n        managed_resources(custom_deleter);\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3092\u56de\u907f\u3059\u308b\u30b3\u30c4<\/h3>\n\n\n\n<p>list\u306e\u4f7f\u7528\u6642\u306b\u9665\u308a\u3084\u3059\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56\u3092\u7d39\u4ecb\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;list&gt;\n#include &lt;algorithm&gt;\n\n\/\/ \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30c6\u30af\u30cb\u30c3\u30af\nclass OptimizedListOperations {\nprivate:\n    std::list&lt;int&gt; data;\n\npublic:\n    \/\/ 1. \u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u518d\u5229\u7528\n    void efficient_operations() {\n        \/\/ \u60aa\u3044\u4f8b\n        for (auto i = 0; i &lt; 1000; ++i) {\n            data.begin();  \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u6bce\u56de\u518d\u751f\u6210\n        }\n\n        \/\/ \u826f\u3044\u4f8b\n        auto it = data.begin();\n        for (auto i = 0; i &lt; 1000; ++i) {\n            \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u3092\u518d\u5229\u7528\n            ++it;\n        }\n    }\n\n    \/\/ 2. \u30d0\u30c3\u30c1\u51e6\u7406\u306e\u6d3b\u7528\n    void batch_processing() {\n        std::vector&lt;int&gt; batch;\n        batch.reserve(1000);  \/\/ \u30e1\u30e2\u30ea\u306e\u4e8b\u524d\u78ba\u4fdd\n\n        \/\/ \u30d0\u30c3\u30c1\u3067\u8981\u7d20\u3092\u53ce\u96c6\n        for (const auto&amp; item : data) {\n            batch.push_back(item);\n            if (batch.size() == 1000) {\n                process_batch(batch);\n                batch.clear();\n            }\n        }\n    }\n\n    \/\/ 3. \u9069\u5207\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u9078\u629e\n    void algorithm_selection() {\n        \/\/ \u30b5\u30a4\u30ba\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u4e8b\u524d\u306b\u30ad\u30e3\u30c3\u30b7\u30e5\n        auto size = data.size();  \/\/ O(n)\u306e\u64cd\u4f5c\u30921\u56de\u3060\u3051\u5b9f\u884c\n\n        \/\/ \u30bd\u30fc\u30c8\u304c\u5fc5\u8981\u306a\u5834\u5408\u306flist::sort\u3092\u4f7f\u7528\n        data.sort();  \/\/ std::sort\u3067\u306f\u306a\u304flist\u72ec\u81ea\u306e\u30bd\u30fc\u30c8\u3092\u4f7f\u7528\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u30c7\u30d0\u30c3\u30b0\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u65b9\u6cd5<\/h3>\n\n\n\n<p>list\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u4e00\u822c\u7684\u306a\u554f\u984c\u3068\u30c7\u30d0\u30c3\u30b0\u65b9\u6cd5\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;list&gt;\n#include &lt;cassert&gt;\n#include &lt;iostream&gt;\n\nclass ListDebugger {\npublic:\n    template&lt;typename T&gt;\n    static void validate_list(const std::list&lt;T&gt;&amp; lst) {\n        \/\/ 1. \u30ea\u30b9\u30c8\u306e\u6574\u5408\u6027\u30c1\u30a7\u30c3\u30af\n        try {\n            assert(!lst.empty() &amp;&amp; \"List is unexpectedly empty\");\n\n            \/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u6709\u52b9\u6027\u78ba\u8a8d\n            for (auto it = lst.begin(); it != lst.end(); ++it) {\n                auto next = std::next(it);\n                if (next != lst.end()) {\n                    assert(it != next &amp;&amp; \"Iterator inconsistency detected\");\n                }\n            }\n        } catch (const std::exception&amp; e) {\n            std::cerr &lt;&lt; \"List validation failed: \" &lt;&lt; e.what() &lt;&lt; std::endl;\n        }\n    }\n\n    template&lt;typename T&gt;\n    static void debug_print(const std::list&lt;T&gt;&amp; lst, const std::string&amp; message) {\n        std::cout &lt;&lt; message &lt;&lt; \": \";\n        std::cout &lt;&lt; \"Size: \" &lt;&lt; lst.size() &lt;&lt; \", Contents: \";\n        for (const auto&amp; item : lst) {\n            std::cout &lt;&lt; item &lt;&lt; \" \";\n        }\n        std::cout &lt;&lt; std::endl;\n    }\n\n    \/\/ \u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u691c\u51fa\n    static void check_memory_leaks(std::list&lt;int&gt;&amp; lst) {\n        size_t initial_size = lst.size();\n        lst.push_back(42);\n        lst.pop_back();\n        assert(lst.size() == initial_size &amp;&amp; \"Possible memory leak detected\");\n    }\n};\n\n\/\/ \u30c7\u30d0\u30c3\u30b0\u7528\u306e\u30ab\u30b9\u30bf\u30e0\u30a2\u30ed\u30b1\u30fc\u30bf\ntemplate&lt;typename T&gt;\nclass DebugAllocator : public std::allocator&lt;T&gt; {\npublic:\n    T* allocate(size_t n) {\n        auto ptr = std::allocator&lt;T&gt;::allocate(n);\n        std::cout &lt;&lt; \"Allocated \" &lt;&lt; n &lt;&lt; \" elements at \" &lt;&lt; ptr &lt;&lt; std::endl;\n        return ptr;\n    }\n\n    void deallocate(T* p, size_t n) {\n        std::cout &lt;&lt; \"Deallocating \" &lt;&lt; n &lt;&lt; \" elements at \" &lt;&lt; p &lt;&lt; std::endl;\n        std::allocator&lt;T&gt;::deallocate(p, n);\n    }\n};<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u6ce8\u610f\u70b9\u3092\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001C++20\u4ee5\u964d\u3067\u306e\u65b0\u6a5f\u80fd\u3068\u5c06\u6765\u7684\u306a\u5c55\u671b\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">C++20\u4ee5\u964d\u306elist\u306e\u65b0\u6a5f\u80fd\u3068\u5c06\u6765\u5c55\u671b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30e2\u30c0\u30f3C++\u3067\u306e\u65b0\u3057\u3044\u6a5f\u80fd\u3068\u6539\u5584\u70b9<\/h3>\n\n\n\n<p>C++20\u4ee5\u964d\u3001std::list\u306b\u306f\u65b0\u3057\u3044\u6a5f\u80fd\u304c\u8ffd\u52a0\u3055\u308c\u3001\u3088\u308a\u4f7f\u3044\u3084\u3059\u304f\u52b9\u7387\u7684\u306b\u306a\u3063\u3066\u3044\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;list&gt;\n#include &lt;ranges&gt;\n#include &lt;concepts&gt;\n\n\/\/ C++20\u306e\u65b0\u6a5f\u80fd\u3092\u6d3b\u7528\u3057\u305f\u30ea\u30b9\u30c8\u64cd\u4f5c\ntemplate&lt;typename T&gt;\nrequires std::totally_ordered&lt;T&gt;\nclass ModernList {\nprivate:\n    std::list&lt;T&gt; data;\n\npublic:\n    \/\/ ranges\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\u3057\u305f\u8981\u7d20\u306e\u5909\u63db\n    auto transform_view() {\n        return data | std::views::transform([](const T&amp; x) { return x * 2; });\n    }\n\n    \/\/ \u30b3\u30f3\u30bb\u30d7\u30c8\u3092\u6d3b\u7528\u3057\u305f\u578b\u5b89\u5168\u306a\u64cd\u4f5c\n    template&lt;typename U&gt;\n    requires std::convertible_to&lt;U, T&gt;\n    void add_elements(const std::list&lt;U&gt;&amp; other) {\n        data.insert(data.end(), other.begin(), other.end());\n    }\n\n    \/\/ C++20\u306eConstexpr\u5bfe\u5fdc\n    constexpr bool is_sorted() const {\n        return std::ranges::is_sorted(data);\n    }\n};\n\n\/\/ \u30a4\u30c6\u30ec\u30fc\u30bf\u306e\u6539\u5584\u3055\u308c\u305f\u4f7f\u7528\u4f8b\nvoid demonstrate_modern_features() {\n    std::list&lt;int&gt; numbers = {1, 2, 3, 4, 5};\n\n    \/\/ ranges\u3092\u4f7f\u7528\u3057\u305f\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3068\u5909\u63db\n    auto even_numbers = numbers \n        | std::views::filter([](int n) { return n % 2 == 0; })\n        | std::views::transform([](int n) { return n * n; });\n\n    \/\/ \u3088\u308a\u7c21\u6f54\u306b\u306a\u3063\u305f\u8981\u7d20\u30a2\u30af\u30bb\u30b9\n    if (std::ranges::contains(numbers, 3)) {\n        \/\/ \u8981\u7d20\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306e\u51e6\u7406\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u5c06\u6765\u7684\u306a\u62e1\u5f35\u3068\u9032\u5316\u306e\u65b9\u5411\u6027<\/h3>\n\n\n\n<p>C++23\u4ee5\u964d\u3067\u4e88\u5b9a\u3055\u308c\u3066\u3044\u308b\u6a5f\u80fd\u3068\u3001\u5c06\u6765\u7684\u306a\u5c55\u671b\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u30a2\u30ed\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6539\u5584<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u5b9f\u88c5\u306e\u5f37\u5316<\/li>\n\n\n\n<li>\u4e26\u5217\u51e6\u7406\u306e\u30b5\u30dd\u30fc\u30c8\u5f37\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u65b0\u3057\u3044\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u30e6\u30fc\u30c6\u30a3\u30ea\u30c6\u30a3<\/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=\"\">\/\/ \u5c06\u6765\u7684\u306b\u5b9f\u88c5\u304c\u671f\u5f85\u3055\u308c\u308b\u6a5f\u80fd\u306e\u4f8b\ntemplate&lt;typename T&gt;\nclass FutureList {\npublic:\n    \/\/ \u30d1\u30e9\u30ec\u30eb\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u30b5\u30dd\u30fc\u30c8\n    void parallel_process() {\n        std::execution::parallel_policy exec;\n        \/\/ \u4e26\u5217\u51e6\u7406\u306e\u5b9f\u88c5\n    }\n\n    \/\/ \u6539\u5584\u3055\u308c\u305f\u8981\u7d20\u30a2\u30af\u30bb\u30b9\n    std::optional&lt;std::reference_wrapper&lt;T&gt;&gt; try_get_front() {\n        if (!data.empty()) {\n            return std::ref(data.front());\n        }\n        return std::nullopt;\n    }\n\n    \/\/ \u69cb\u9020\u5316\u30d0\u30a4\u30f3\u30c7\u30a3\u30f3\u30b0\u306e\u30b5\u30dd\u30fc\u30c8\u5f37\u5316\n    auto [first, last] = data.ends();\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u4ee3\u66ff\u30b3\u30f3\u30c6\u30ca\u3068\u306e\u4f7f\u3044\u5206\u3051\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3<\/h3>\n\n\n\n<p>\u72b6\u6cc1\u306b\u5fdc\u3058\u305f\u9069\u5207\u306a\u30b3\u30f3\u30c6\u30ca\u306e\u9078\u629e\u57fa\u6e96\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n<div id=\"id-1f3aa5bc-f99a-43ed-be94-f54e1587f3d5\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u6027<\/th><th>std::list<\/th><th>std::vector<\/th><th>std::deque<\/th><th>std::forward_list<\/th><\/tr><\/thead><tbody><tr><td>\u30e1\u30e2\u30ea\u52b9\u7387<\/td><td>\u4e2d<\/td><td>\u9ad8<\/td><td>\u4e2d<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u633f\u5165\/\u524a\u9664\u6027\u80fd<\/td><td>\u9ad8<\/td><td>\u4f4e<\/td><td>\u4e2d<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u30a4\u30c6\u30ec\u30fc\u30b7\u30e7\u30f3\u6027\u80fd<\/td><td>\u4e2d<\/td><td>\u9ad8<\/td><td>\u9ad8<\/td><td>\u4e2d<\/td><\/tr><tr><td>\u30e1\u30e2\u30ea\u5c40\u6240\u6027<\/td><td>\u4f4e<\/td><td>\u9ad8<\/td><td>\u4e2d<\/td><td>\u4f4e<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u9078\u629e\u306e\u6307\u91dd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>std::list\u306e\u9078\u629e\u304c\u9069\u5207\u306a\u5834\u5408\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u983b\u7e41\u306a\u633f\u5165\/\u524a\u9664\u304c\u5fc5\u8981<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u306e\u518d\u914d\u7f6e\u3092\u907f\u3051\u305f\u3044<\/li>\n\n\n\n<li>\u53cc\u65b9\u5411\u30a4\u30c6\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4ed6\u306e\u30b3\u30f3\u30c6\u30ca\u3092\u691c\u8a0e\u3059\u3079\u304d\u5834\u5408\uff1a<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e9\u30f3\u30c0\u30e0\u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981 \u2192 std::vector<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6700\u5c0f\u9650\u306b \u2192 std::forward_list<\/li>\n\n\n\n<li>\u4e21\u7aef\u3067\u306e\u64cd\u4f5c\u304c\u4e3b \u2192 std::deque<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001C++\u306e\u9032\u5316\u3068\u3068\u3082\u306bstd::list\u3082\u767a\u5c55\u3092\u7d9a\u3051\u3066\u304a\u308a\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u4f7f\u3044\u3084\u3059\u3044\u30b3\u30f3\u30c6\u30ca\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u5c06\u6765\u7684\u306a\u62e1\u5f35\u306b\u3088\u3063\u3066\u3001\u3055\u3089\u306a\u308b\u6a5f\u80fd\u306e\u8ffd\u52a0\u3068\u6027\u80fd\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3055\u308c\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-1783","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\/1783","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=1783"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1783\/revisions"}],"predecessor-version":[{"id":1784,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1783\/revisions\/1784"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}