{"id":1964,"date":"2025-03-24T08:48:39","date_gmt":"2025-03-23T23:48:39","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1964"},"modified":"2025-03-24T08:49:02","modified_gmt":"2025-03-23T23:49:02","slug":"c%e3%81%a7%e7%b4%af%e4%b9%97%e8%a8%88%e7%ae%97%e3%82%92%e6%a5%b5%e3%82%81%e3%82%8b%ef%bc%81%e5%8a%b9%e7%8e%87%e7%9a%84%e3%81%aa%e5%ae%9f%e8%a3%85%e6%96%b9%e6%b3%95%e3%81%a8%e6%9c%80%e9%81%a9","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1964","title":{"rendered":"C++\u3067\u7d2f\u4e57\u8a08\u7b97\u3092\u6975\u3081\u308b\uff01\u52b9\u7387\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5\u3068\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af7\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++\u3067\u306e\u7d2f\u4e57\u8a08\u7b97\u306e\u57fa\u790e\u77e5\u8b58<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u7d2f\u4e57\u8a08\u7b97\u306e\u6570\u5b66\u7684\u306a\u57fa\u790e\u3068\u5b9f\u88c5\u8ab2\u984c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">C++\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u63d0\u4f9b\u3059\u308b\u7d2f\u4e57\u8a08\u7b97\u6a5f\u80fd<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">\u52b9\u7387\u7684\u306a\u7d2f\u4e57\u8a08\u7b97\u306e\u5b9f\u88c5\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u518d\u5e30\u7684\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308b\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u7528\u3044\u305f\u9ad8\u901f\u306a\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">\u30d3\u30c3\u30c8\u6f14\u7b97\u3092\u6d3b\u7528\u3057\u305f\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">\u7279\u6b8a\u306a\u30b1\u30fc\u30b9\u3078\u306e\u5bfe\u5fdc\u65b9\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">\u8ca0\u306e\u6307\u6570\u3078\u306e\u5bfe\u5fdc\u3068\u7cbe\u5ea6\u306e\u78ba\u4fdd<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-9\">\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u5bfe\u7b56\u3068\u5b89\u5168\u306a\u5b9f\u88c5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-10\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-11\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u6d3b\u7528\u3057\u305f\u6c4e\u7528\u7684\u306a\u5b9f\u88c5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-12\">\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u8a08\u7b97\u306b\u3088\u308b\u6700\u9069\u5316<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-13\">\u5b9f\u8df5\u7684\u306a\u7d2f\u4e57\u8a08\u7b97\u306e\u5fdc\u7528\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-14\">\u884c\u5217\u7d2f\u4e57\u8a08\u7b97\u306e\u52b9\u7387\u7684\u306a\u5b9f\u88c5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-15\">\u30e2\u30b8\u30e5\u30e9\u7d2f\u4e57\u306e\u9ad8\u901f\u306a\u8a08\u7b97\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-16\">\u7d2f\u4e57\u8a08\u7b97\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-17\">\u5404\u5b9f\u88c5\u65b9\u6cd5\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u7d50\u679c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-18\">\u4f7f\u7528\u30b7\u30ca\u30ea\u30aa\u5225\u306e\u6700\u9069\u306a\u5b9f\u88c5\u9078\u629e<\/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++\u3067\u306e\u7d2f\u4e57\u8a08\u7b97\u306e\u57fa\u790e\u77e5\u8b58<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u7d2f\u4e57\u8a08\u7b97\u306e\u6570\u5b66\u7684\u306a\u57fa\u790e\u3068\u5b9f\u88c5\u8ab2\u984c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d2f\u4e57\u8a08\u7b97\u306f\u3001\u3042\u308b\u6570\uff08\u5e95\uff09\u3092\u6307\u5b9a\u56de\u6570\uff08\u6307\u6570\uff09\u3060\u3051\u639b\u3051\u5408\u308f\u305b\u308b\u6f14\u7b97\u3067\u3059\u3002\u6570\u5b66\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u73fe\u3055\u308c\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x^n = x \u00d7 x \u00d7 x \u00d7 \u2026 \u00d7 x\uff08n\u56de\u306e\u639b\u3051\u7b97\uff09<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C++\u3067\u7d2f\u4e57\u8a08\u7b97\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u8ab2\u984c\u306b\u6ce8\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c7\u30fc\u30bf\u578b\u306e\u9078\u629e<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6574\u6570\u578b\uff08int, long, long long\uff09<\/li>\n\n\n\n<li>\u6d6e\u52d5\u5c0f\u6570\u70b9\u578b\uff08float, double\uff09<\/li>\n\n\n\n<li>\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u5bfe\u7b56\u306e\u5fc5\u8981\u6027<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u8a08\u7b97\u52b9\u7387<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5358\u7d14\u306a\u639b\u3051\u7b97\u306e\u7e70\u308a\u8fd4\u3057\u306f\u975e\u52b9\u7387<\/li>\n\n\n\n<li>\u3088\u308a\u52b9\u7387\u7684\u306a\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5fc5\u8981\u6027<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7cbe\u5ea6\u306e\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3067\u306e\u8aa4\u5dee<\/li>\n\n\n\n<li>\u5927\u304d\u306a\u6570\u5024\u3067\u306e\u6841\u843d\u3061<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">C++\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u63d0\u4f9b\u3059\u308b\u7d2f\u4e57\u8a08\u7b97\u6a5f\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C++\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\uff08\uff09\u306b\u306f\u3001\u7d2f\u4e57\u8a08\u7b97\u306e\u305f\u3081\u306e\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\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=\"\">#include &lt;cmath&gt;\n#include &lt;iostream&gt;\n\nint main() {\n    \/\/ pow\u95a2\u6570: \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u7d2f\u4e57\u8a08\u7b97\n    double result1 = std::pow(2.0, 3.0);  \/\/ 2.0\u306e3\u4e57 = 8.0\n\n    \/\/ \u6574\u6570\u578b\u3067\u306e\u4f7f\u7528\uff08\u7d50\u679c\u306f\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\uff09\n    double result2 = std::pow(2, 10);     \/\/ 2\u306e10\u4e57 = 1024.0\n\n    \/\/ \u8ca0\u306e\u6307\u6570\u306b\u3082\u5bfe\u5fdc\n    double result3 = std::pow(2.0, -2.0); \/\/ 2.0\u306e-2\u4e57 = 0.25\n\n    std::cout &lt;&lt; \"2.0^3.0 = \" &lt;&lt; result1 &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"2^10 = \" &lt;&lt; result2 &lt;&lt; std::endl;\n    std::cout &lt;&lt; \"2.0^(-2.0) = \" &lt;&lt; result3 &lt;&lt; std::endl;\n\n    return 0;\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">std::pow\u95a2\u6570\u306e\u7279\u5fb4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6c4e\u7528\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e95\u3068\u6307\u6570\u306e\u4e21\u65b9\u306b\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3092\u4f7f\u7528\u53ef\u80fd<\/li>\n\n\n\n<li>\u8ca0\u306e\u6307\u6570\u306b\u3082\u5bfe\u5fdc<\/li>\n\n\n\n<li>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u7248\u3082\u63d0\u4f9b\uff08C++11\u4ee5\u964d\uff09<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5236\u9650\u4e8b\u9805<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3067\u306e\u8a08\u7b97\u306e\u305f\u3081\u3001\u8aa4\u5dee\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027<\/li>\n\n\n\n<li>\u6574\u6570\u578b\u3067\u306e\u53b3\u5bc6\u306a\u8a08\u7b97\u306b\u306f\u9069\u3055\u306a\u3044<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u8981\u6c42\u3055\u308c\u308b\u5834\u5408\u306f\u72ec\u81ea\u5b9f\u88c5\u304c\u5fc5\u8981<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>C++17\u4ee5\u964d\u306e\u62e1\u5f35<\/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;cmath&gt;\n   #include &lt;iostream&gt;\n\n   int main() {\n       \/\/ \u6574\u6570\u578b\u306e\u7d2f\u4e57\u8a08\u7b97\uff08C++17\u4ee5\u964d\uff09\n       auto result = std::pow(2LL, 10LL);  \/\/ long long\u3067\u306e\u8a08\u7b97\n\n       \/\/ \u8907\u7d20\u6570\u306e\u7d2f\u4e57\u8a08\u7b97\n       std::complex&lt;double&gt; z(1.0, 1.0);\n       auto complex_result = std::pow(z, 2.0);\n\n       return 0;\n   }<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u7d2f\u4e57\u8a08\u7b97\u6a5f\u80fd\u306f\u3001\u4e00\u822c\u7684\u306a\u7528\u9014\u306b\u306f\u5341\u5206\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\u306b\u306f\u72ec\u81ea\u306e\u5b9f\u88c5\u3092\u691c\u8a0e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53b3\u5bc6\u306a\u6574\u6570\u8a08\u7b97\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u9ad8\u901f\u306a\u8a08\u7b97\u304c\u8981\u6c42\u3055\u308c\u308b\u5834\u5408<\/li>\n\n\n\n<li>\u7279\u6b8a\u306a\u6570\u5024\u7bc4\u56f2\u3067\u306e\u8a08\u7b97\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30e9\u7d2f\u4e57\u306a\u3069\u3001\u7279\u6b8a\u306a\u7d2f\u4e57\u8a08\u7b97\u304c\u5fc5\u8981\u306a\u5834\u5408<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u8981\u4ef6\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306e\u52b9\u7387\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">\u52b9\u7387\u7684\u306a\u7d2f\u4e57\u8a08\u7b97\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u518d\u5e30\u7684\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308b\u5b9f\u88c5\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u5e30\u3092\u4f7f\u7528\u3057\u305f\u7d2f\u4e57\u8a08\u7b97\u306f\u3001\u6570\u5b66\u7684\u306a\u5b9a\u7fa9\u306b\u57fa\u3065\u3044\u305f\u76f4\u611f\u7684\u306a\u5b9f\u88c5\u304c\u53ef\u80fd\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u6027\u8cea\u3092\u5229\u7528\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x^n = x * x^(n-1) \uff08n\u304c\u6b63\u306e\u5834\u5408\uff09<br>x^0 = 1<\/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\n\/\/ \u57fa\u672c\u7684\u306a\u518d\u5e30\u5b9f\u88c5\ndouble power_recursive(double x, int n) {\n    \/\/ \u57fa\u5e95\u6761\u4ef6\n    if (n == 0) return 1.0;\n    if (n == 1) return x;\n\n    \/\/ \u8ca0\u306e\u6307\u6570\u306e\u51e6\u7406\n    if (n &lt; 0) {\n        return 1.0 \/ power_recursive(x, -n);\n    }\n\n    \/\/ \u518d\u5e30\u7684\u306a\u8a08\u7b97\n    return x * power_recursive(x, n - 1);\n}\n\n\/\/ \u6700\u9069\u5316\u3055\u308c\u305f\u518d\u5e30\u5b9f\u88c5\uff08\u5206\u5272\u7d71\u6cbb\u6cd5\uff09\ndouble power_recursive_optimized(double x, int n) {\n    \/\/ \u57fa\u5e95\u6761\u4ef6\n    if (n == 0) return 1.0;\n    if (n == 1) return x;\n\n    \/\/ \u8ca0\u306e\u6307\u6570\u306e\u51e6\u7406\n    if (n &lt; 0) {\n        return 1.0 \/ power_recursive_optimized(x, -n);\n    }\n\n    \/\/ n\u3092\u534a\u5206\u306b\u5206\u5272\u3057\u3066\u8a08\u7b97\n    double half = power_recursive_optimized(x, n \/ 2);\n\n    \/\/ n\u304c\u5076\u6570\u306e\u5834\u5408\n    if (n % 2 == 0) {\n        return half * half;\n    }\n    \/\/ n\u304c\u5947\u6570\u306e\u5834\u5408\n    return x * half * half;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u7528\u3044\u305f\u9ad8\u901f\u306a\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u53cd\u5fa9\u6cd5\uff08\u30eb\u30fc\u30d7\uff09\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b9\u30bf\u30c3\u30af\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u30ea\u30b9\u30af\u3092\u56de\u907f\u3057\u3001\u3088\u308a\u52b9\u7387\u7684\u306a\u5b9f\u88c5\u304c\u53ef\u80fd\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\ndouble power_iterative(double x, int n) {\n    \/\/ \u6307\u6570\u304c\u8ca0\u306e\u5834\u5408\u306e\u51e6\u7406\n    if (n &lt; 0) {\n        x = 1.0 \/ x;\n        n = -n;\n    }\n\n    double result = 1.0;\n    while (n &gt; 0) {\n        if (n % 2 == 1) {\n            result *= x;\n        }\n        x *= x;\n        n \/= 2;\n    }\n    return result;\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5b9f\u88c5\u306f\u300c\u4e8c\u5206\u7d2f\u4e57\u6cd5\u300d\u307e\u305f\u306f\u300c\u7e70\u308a\u8fd4\u3057\u4e8c\u4e57\u6cd5\u300d\u3068\u3057\u3066\u77e5\u3089\u308c\u3001\u8a08\u7b97\u91cf\u3092O(log n)\u306b\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u30d3\u30c3\u30c8\u6f14\u7b97\u3092\u6d3b\u7528\u3057\u305f\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d3\u30c3\u30c8\u6f14\u7b97\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3055\u3089\u306b\u52b9\u7387\u7684\u306a\u5b9f\u88c5\u304c\u53ef\u80fd\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\ndouble power_bitwise(double x, int n) {\n    \/\/ \u6307\u6570\u304c\u8ca0\u306e\u5834\u5408\u306e\u51e6\u7406\n    bool is_negative = n &lt; 0;\n    if (is_negative) {\n        n = -n;\n    }\n\n    double result = 1.0;\n    while (n) {\n        \/\/ \u6700\u4e0b\u4f4d\u30d3\u30c3\u30c8\u304c1\u306e\u5834\u5408\n        if (n &amp; 1) {\n            result *= x;\n        }\n        x *= x;\n        n &gt;&gt;= 1;  \/\/ \u53f3\u30b7\u30d5\u30c8\u30672\u3067\u5272\u308b\n    }\n\n    return is_negative ? 1.0 \/ result : result;\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5404\u5b9f\u88c5\u65b9\u6cd5\u306e\u7279\u5fb4\u6bd4\u8f03\uff1a<\/p>\n\n\n<div id=\"id-ef14bcf0-4916-42b2-bd07-472aebaee885\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5b9f\u88c5\u65b9\u6cd5<\/th><th>\u6642\u9593\u8907\u96d1\u5ea6<\/th><th>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf<\/th><th>\u4e3b\u306a\u5229\u70b9<\/th><th>\u4e3b\u306a\u6b20\u70b9<\/th><\/tr><\/thead><tbody><tr><td>\u57fa\u672c\u518d\u5e30<\/td><td>O(n)<\/td><td>O(n)<\/td><td>\u5b9f\u88c5\u304c\u7c21\u5358<\/td><td>\u30b9\u30bf\u30c3\u30af\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u306e\u30ea\u30b9\u30af<\/td><\/tr><tr><td>\u6700\u9069\u5316\u518d\u5e30<\/td><td>O(log n)<\/td><td>O(log n)<\/td><td>\u76f4\u611f\u7684\u3067\u52b9\u7387\u7684<\/td><td>\u30b9\u30bf\u30c3\u30af\u306e\u4f7f\u7528<\/td><\/tr><tr><td>\u53cd\u5fa9\u6cd5<\/td><td>O(log n)<\/td><td>O(1)<\/td><td>\u30e1\u30e2\u30ea\u52b9\u7387\u304c\u826f\u3044<\/td><td>\u30b3\u30fc\u30c9\u304c\u3084\u3084\u8907\u96d1<\/td><\/tr><tr><td>\u30d3\u30c3\u30c8\u6f14\u7b97<\/td><td>O(log n)<\/td><td>O(1)<\/td><td>\u6700\u3082\u52b9\u7387\u7684<\/td><td>\u6574\u6570\u578b\u3067\u306e\u307f\u52b9\u679c\u7684<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u88c5\u6642\u306e\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u578b\u306e\u9078\u629e<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6574\u6570\u578b\u306e\u5834\u5408\u306f\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u5bfe\u7b56\u304c\u5fc5\u8981<\/li>\n\n\n\n<li>\u6d6e\u52d5\u5c0f\u6570\u70b9\u578b\u306e\u5834\u5408\u306f\u7cbe\u5ea6\u306b\u6ce8\u610f<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0\u306e\u7d2f\u4e57<\/li>\n\n\n\n<li>\u8ca0\u306e\u6307\u6570<\/li>\n\n\n\n<li>\u5927\u304d\u306a\u6307\u6570\u5024<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8003\u616e\u4e8b\u9805<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u518d\u5e30\u306e\u6df1\u3055\u5236\u9650<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387<\/li>\n\n\n\n<li>\u5206\u5c90\u4e88\u6e2c\u306e\u5f71\u97ff<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u5b9f\u88c5\u65b9\u6cd5\u306f\u3001\u7528\u9014\u3084\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u7279\u6b8a\u306a\u30b1\u30fc\u30b9\u3078\u306e\u5bfe\u5fdc\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">\u7279\u6b8a\u306a\u30b1\u30fc\u30b9\u3078\u306e\u5bfe\u5fdc\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u8ca0\u306e\u6307\u6570\u3078\u306e\u5bfe\u5fdc\u3068\u7cbe\u5ea6\u306e\u78ba\u4fdd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ca0\u306e\u6307\u6570\u3092\u6271\u3046\u969b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u6570\u5b66\u7684\u6027\u8cea\u3092\u5229\u7528\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">x^(-n) = 1 \/ (x^n)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3060\u3057\u3001\u5b9f\u88c5\u6642\u306b\u306f\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#include &lt;stdexcept&gt;\n#include &lt;cmath&gt;\n\nclass PowerCalculator {\npublic:\n    \/\/ \u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u3067\u306e\u5b89\u5168\u306a\u7d2f\u4e57\u8a08\u7b97\n    static double power_safe(double x, int n) {\n        \/\/ \u5e95\u304c0\u306e\u5834\u5408\u306e\u7279\u6b8a\u51e6\u7406\n        if (std::abs(x) &lt; std::numeric_limits&lt;double&gt;::epsilon()) {\n            if (n == 0) throw std::domain_error(\"0^0 is undefined\");\n            if (n &lt; 0) throw std::domain_error(\"Division by zero\");\n            return 0.0;\n        }\n\n        \/\/ \u8ca0\u306e\u6307\u6570\u306e\u51e6\u7406\n        bool is_negative = n &lt; 0;\n        unsigned long long abs_n = std::abs(static_cast&lt;long long&gt;(n));\n\n        double result = 1.0;\n        double current = x;\n\n        while (abs_n &gt; 0) {\n            if (abs_n &amp; 1) {\n                result *= current;\n            }\n            current *= current;\n            abs_n &gt;&gt;= 1;\n        }\n\n        \/\/ \u7d50\u679c\u306e\u7cbe\u5ea6\u30c1\u30a7\u30c3\u30af\n        if (std::isinf(result) || std::isnan(result)) {\n            throw std::overflow_error(\"Result exceeds double precision limits\");\n        }\n\n        return is_negative ? 1.0 \/ result : result;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u5bfe\u7b56\u3068\u5b89\u5168\u306a\u5b9f\u88c5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6574\u6570\u578b\u3067\u306e\u7d2f\u4e57\u8a08\u7b97\u3067\u306f\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u304c\u5927\u304d\u306a\u554f\u984c\u3068\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u691c\u51fa\u3068\u9632\u6b62\u3092\u5b9f\u88c5\u3057\u305f\u4f8b\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#include &lt;limits&gt;\n#include &lt;stdexcept&gt;\n\ntemplate&lt;typename T&gt;\nclass SafePower {\nprivate:\n    \/\/ \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u691c\u51fa\u306e\u30d8\u30eb\u30d1\u30fc\u95a2\u6570\n    static bool will_overflow(T base, T exp) {\n        if (exp == 0) return false;\n        if (base == 0) return false;\n        if (base == 1) return false;\n        if (exp == 1) return false;\n\n        \/\/ \u7c21\u6613\u7684\u306a\u5bfe\u6570\u30c1\u30a7\u30c3\u30af\n        double log_result = std::log(std::abs(static_cast&lt;double&gt;(base))) * exp;\n        double max_log = std::log(std::numeric_limits&lt;T&gt;::max());\n\n        return log_result &gt; max_log;\n    }\n\npublic:\n    \/\/ \u5b89\u5168\u306a\u6574\u6570\u7d2f\u4e57\u8a08\u7b97\n    static T power(T base, unsigned int exp) {\n        \/\/ \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u30c1\u30a7\u30c3\u30af\n        if (will_overflow(base, exp)) {\n            throw std::overflow_error(\"Power operation would overflow\");\n        }\n\n        T result = 1;\n        while (exp &gt; 0) {\n            if (exp &amp; 1) {\n                \/\/ \u4e57\u7b97\u524d\u306e\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u30c1\u30a7\u30c3\u30af\n                if (result &gt; std::numeric_limits&lt;T&gt;::max() \/ base) {\n                    throw std::overflow_error(\"Multiplication would overflow\");\n                }\n                result *= base;\n            }\n            exp &gt;&gt;= 1;\n            if (exp &gt; 0) {\n                \/\/ \u6b21\u306e\u4e8c\u4e57\u8a08\u7b97\u306e\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u30c1\u30a7\u30c3\u30af\n                if (base &gt; std::numeric_limits&lt;T&gt;::max() \/ base) {\n                    throw std::overflow_error(\"Square operation would overflow\");\n                }\n                base *= base;\n            }\n        }\n        return result;\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nvoid demonstrate_safe_power() {\n    try {\n        \/\/ \u6b63\u5e38\u306a\u30b1\u30fc\u30b9\n        std::cout &lt;&lt; \"2^10 = \" &lt;&lt; SafePower&lt;long long&gt;::power(2, 10) &lt;&lt; std::endl;\n\n        \/\/ \u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u304c\u767a\u751f\u3059\u308b\u30b1\u30fc\u30b9\n        std::cout &lt;&lt; \"2^62 = \" &lt;&lt; SafePower&lt;long long&gt;::power(2, 62) &lt;&lt; std::endl;\n    }\n    catch (const std::overflow_error&amp; e) {\n        std::cerr &lt;&lt; \"Overflow error: \" &lt;&lt; e.what() &lt;&lt; std::endl;\n    }\n    catch (const std::exception&amp; e) {\n        std::cerr &lt;&lt; \"Error: \" &lt;&lt; e.what() &lt;&lt; std::endl;\n    }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7cbe\u5ea6\u7ba1\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u8aa4\u5dee\u306e\u7d2f\u7a4d\u3092\u8003\u616e<\/li>\n\n\n\n<li>std::numeric_limits \u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u7d50\u679c\u306e\u59a5\u5f53\u6027\u30c1\u30a7\u30c3\u30af<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4f8b\u5916\u51e6\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c9\u30e1\u30a4\u30f3\u30a8\u30e9\u30fc\u306e\u691c\u51fa\u3068\u51e6\u7406<\/li>\n\n\n\n<li>\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u691c\u51fa\u3068\u9632\u6b62<\/li>\n\n\n\n<li>\u30a8\u30c3\u30b8\u30b1\u30fc\u30b9\u306e\u9069\u5207\u306a\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u578b\u306e\u5b89\u5168\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u305f\u578b\u6c4e\u7528\u6027\u306e\u78ba\u4fdd<\/li>\n\n\n\n<li>\u6697\u9ed9\u306e\u578b\u5909\u63db\u306e\u5236\u5fa1<\/li>\n\n\n\n<li>\u7b26\u53f7\u4ed8\u304d\/\u7b26\u53f7\u306a\u3057\u6574\u6570\u306e\u9069\u5207\u306a\u51e6\u7406<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u5bfe\u7b56\u306b\u3088\u308a\u3001\u3088\u308a\u5b89\u5168\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u7d2f\u4e57\u8a08\u7b97\u306e\u5b9f\u88c5\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3055\u3089\u306a\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-10\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u6d3b\u7528\u3057\u305f\u6c4e\u7528\u7684\u306a\u5b9f\u88c5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u578b\u5b89\u5168\u6027\u3092\u4fdd\u3061\u306a\u304c\u3089\u9ad8\u5ea6\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u7d2f\u4e57\u8a08\u7b97\u3092\u5b9f\u88c5\u3067\u304d\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=\"\">#include &lt;iostream&gt;\n#include &lt;type_traits&gt;\n\ntemplate&lt;typename T&gt;\nclass PowerOptimizer {\n    \/\/ \u578b\u7279\u6027\u306e\u691c\u8a3c\n    static_assert(std::is_arithmetic&lt;T&gt;::value, \n                 \"PowerOptimizer requires arithmetic type\");\n\npublic:\n    \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u5b9a\u6570\u5f0f\u306b\u3088\u308b\u7d2f\u4e57\u8a08\u7b97\n    template&lt;typename U = T&gt;\n    static constexpr U power(U base, unsigned int exp) {\n        if (exp == 0) return U{1};\n        if (exp == 1) return base;\n\n        const U half = power(base, exp \/ 2);\n        if (exp % 2 == 0) {\n            return half * half;\n        }\n        return base * half * half;\n    }\n\n    \/\/ \u5b9f\u884c\u6642\u306e\u6700\u9069\u5316\u3055\u308c\u305f\u7d2f\u4e57\u8a08\u7b97\n    template&lt;typename U = T&gt;\n    static U power_runtime(U base, unsigned int exp) {\n        U result{1};\n        while (exp &gt; 0) {\n            if (exp &amp; 1) {\n                result *= base;\n            }\n            base *= base;\n            exp &gt;&gt;= 1;\n        }\n        return result;\n    }\n\n    \/\/ SFINAE \u3092\u6d3b\u7528\u3057\u305f\u6574\u6570\u578b\u7279\u5316\u7248\n    template&lt;typename U = T&gt;\n    static typename std::enable_if&lt;std::is_integral&lt;U&gt;::value, U&gt;::type\n    power_integral(U base, unsigned int exp) {\n        U result = 1;\n        while (exp) {\n            if (exp &amp; 1) {\n                result *= base;\n            }\n            base *= base;\n            exp &gt;&gt;= 1;\n        }\n        return result;\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u8a08\u7b97\u306b\u3088\u308b\u6700\u9069\u5316<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C++17\u4ee5\u964d\u3067\u306f\u3001\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u8a08\u7b97\u3092\u6d3b\u7528\u3057\u3066\u3055\u3089\u306a\u308b\u6700\u9069\u5316\u304c\u53ef\u80fd\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\n\/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u7d2f\u4e57\u8a08\u7b97\ntemplate&lt;typename T&gt;\nconstexpr T constexpr_power(T base, unsigned int exp) {\n    if (exp == 0) return T{1};\n\n    T result{1};\n    while (exp &gt; 0) {\n        if (exp &amp; 1) {\n            result *= base;\n        }\n        base *= base;\n        exp &gt;&gt;= 1;\n    }\n    return result;\n}\n\n\/\/ C++17\u306e\u30b3\u30f3\u30d1\u30a4\u30eb\u6642if\u6587\u3092\u6d3b\u7528\ntemplate&lt;typename T&gt;\nconstexpr T modern_power(T base, unsigned int exp) {\n    if constexpr (std::is_integral_v&lt;T&gt;) {\n        \/\/ \u6574\u6570\u578b\u7279\u5316\u7248\u306e\u5b9f\u88c5\n        return constexpr_power(base, exp);\n    } else {\n        \/\/ \u6d6e\u52d5\u5c0f\u6570\u70b9\u578b\u7528\u306e\u5b9f\u88c5\n        return std::pow(base, static_cast&lt;T&gt;(exp));\n    }\n}\n\n\/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u5b9a\u6570\u306e\u4f8b\nconstexpr auto power_2_10 = constexpr_power(2, 10);  \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u8a08\u7b97<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u9069\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-4127fff7-153e-4adf-aa6e-1860fb5a24c6\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30c6\u30af\u30cb\u30c3\u30af<\/th><th>\u5229\u70b9<\/th><th>\u4f7f\u7528\u30b7\u30fc\u30f3<\/th><\/tr><\/thead><tbody><tr><td>SFINAE<\/td><td>\u578b\u306b\u5fdc\u3058\u305f\u5b9f\u88c5\u9078\u629e<\/td><td>\u578b\u7279\u5316\u304c\u5fc5\u8981\u306a\u5834\u5408<\/td><\/tr><tr><td>constexpr<\/td><td>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u8a08\u7b97<\/td><td>\u5b9a\u6570\u5024\u304c\u5fc5\u8981\u306a\u5834\u5408<\/td><\/tr><tr><td>\u30a4\u30f3\u30e9\u30a4\u30f3\u5c55\u958b<\/td><td>\u5b9f\u884c\u6642\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u524a\u6e1b<\/td><td>\u5c0f\u3055\u306a\u8a08\u7b97\u306e\u5834\u5408<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\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=\"\">\/\/ \u30ad\u30e3\u30c3\u30b7\u30e5\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc\u306a\u5b9f\u88c5\ntemplate&lt;typename T&gt;\nT cache_friendly_power(T base, unsigned int exp) {\n    \/\/ \u30ed\u30fc\u30ab\u30eb\u5909\u6570\u3092\u6d3b\u7528\u3057\u3066\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u3092\u6700\u5c0f\u5316\n    T result = 1;\n    T current = base;\n\n    while (exp &gt; 0) {\n        if (exp &amp; 1) {\n            result *= current;\n        }\n        current *= current;\n        exp &gt;&gt;= 1;\n    }\n    return result;\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u5206\u5c90\u4e88\u6e2c\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=\"\">\/\/ \u5206\u5c90\u4e88\u6e2c\u306b\u512a\u3057\u3044\u5b9f\u88c5\ntemplate&lt;typename T&gt;\nT branch_optimized_power(T base, unsigned int exp) {\n    T result = 1;\n    T current = base;\n\n    \/\/ \u5206\u5c90\u4e88\u6e2c\u5668\u304c\u52b9\u679c\u7684\u306b\u50cd\u304f\u3088\u3046\u306b\u30eb\u30fc\u30d7\u3092\u69cb\u6210\n    while (exp &gt; 0) {\n        result *= (exp &amp; 1) ? current : T{1};\n        current *= current;\n        exp &gt;&gt;= 1;\n    }\n    return result;\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u9069\u5316\u306e\u52b9\u679c\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b9a\u6570\u5f0f\u306e\u4e8b\u524d\u8a08\u7b97<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30b3\u30fc\u30c9\u306e\u9664\u53bb<\/li>\n\n\n\n<li>\u30a4\u30f3\u30e9\u30a4\u30f3\u5c55\u958b\u306e\u4fc3\u9032<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5b9f\u884c\u6642\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30d2\u30c3\u30c8\u7387\u306e\u5411\u4e0a<\/li>\n\n\n\n<li>\u5206\u5c90\u4e88\u6e2c\u306e\u7cbe\u5ea6\u5411\u4e0a<\/li>\n\n\n\n<li>\u30ec\u30b8\u30b9\u30bf\u4f7f\u7528\u306e\u6700\u9069\u5316<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u578b\u306b\u5fdc\u3058\u305f\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6574\u6570\u578b\u3067\u306e\u9ad8\u901f\u306a\u5b9f\u88c5<\/li>\n\n\n\n<li>\u6d6e\u52d5\u5c0f\u6570\u70b9\u578b\u3067\u306e\u7cbe\u5ea6\u91cd\u8996\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u7279\u6b8a\u578b\uff08\u8907\u7d20\u6570\u306a\u3069\uff09\u306e\u30b5\u30dd\u30fc\u30c8<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u9ad8\u6027\u80fd\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u7d2f\u4e57\u8a08\u7b97\u306e\u5b9f\u88c5\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u5b9f\u88c5\u3092\u5b9f\u969b\u306e\u5fdc\u7528\u4f8b\u3067\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-13\">\u5b9f\u8df5\u7684\u306a\u7d2f\u4e57\u8a08\u7b97\u306e\u5fdc\u7528\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u884c\u5217\u7d2f\u4e57\u8a08\u7b97\u306e\u52b9\u7387\u7684\u306a\u5b9f\u88c5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u884c\u5217\u306e\u7d2f\u4e57\u8a08\u7b97\u306f\u3001\u30b0\u30e9\u30d5\u7406\u8ad6\u3084\u52d5\u7684\u8a08\u753b\u6cd5\u3067\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u91cd\u8981\u306a\u6f14\u7b97\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#include &lt;vector&gt;\n#include &lt;cassert&gt;\n\nclass Matrix {\nprivate:\n    std::vector&lt;std::vector&lt;long long&gt;&gt; data;\n    size_t rows, cols;\n\npublic:\n    Matrix(size_t r, size_t c) : rows(r), cols(c), data(r, std::vector&lt;long long&gt;(c, 0)) {}\n\n    \/\/ \u884c\u5217\u306e\u8981\u7d20\u30a2\u30af\u30bb\u30b9\n    std::vector&lt;long long&gt;&amp; operator[](size_t i) { return data[i]; }\n    const std::vector&lt;long long&gt;&amp; operator[](size_t i) const { return data[i]; }\n\n    \/\/ \u884c\u5217\u306e\u4e57\u7b97\n    Matrix operator*(const Matrix&amp; other) const {\n        assert(cols == other.rows);\n        Matrix result(rows, other.cols);\n\n        for(size_t i = 0; i &lt; rows; ++i) {\n            for(size_t j = 0; j &lt; other.cols; ++j) {\n                for(size_t k = 0; k &lt; cols; ++k) {\n                    result[i][j] += data[i][k] * other[k][j];\n                }\n            }\n        }\n        return result;\n    }\n\n    \/\/ \u5358\u4f4d\u884c\u5217\u306e\u751f\u6210\n    static Matrix identity(size_t size) {\n        Matrix result(size, size);\n        for(size_t i = 0; i &lt; size; ++i) {\n            result[i][i] = 1;\n        }\n        return result;\n    }\n};\n\n\/\/ \u884c\u5217\u7d2f\u4e57\u306e\u9ad8\u901f\u8a08\u7b97\nMatrix matrix_power(const Matrix&amp; base, unsigned long long exp) {\n    if (exp == 0) return Matrix::identity(base[0].size());\n    if (exp == 1) return base;\n\n    Matrix result = matrix_power(base, exp \/ 2);\n    result = result * result;\n\n    if (exp % 2 == 1) {\n        result = result * base;\n    }\n\n    return result;\n}\n\n\/\/ \u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u5217\u306e\u9ad8\u901f\u8a08\u7b97\u4f8b\nlong long fast_fibonacci(int n) {\n    if (n &lt;= 1) return n;\n\n    \/\/ \u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u884c\u5217\u306e\u521d\u671f\u5316\n    Matrix base(2, 2);\n    base[0][0] = base[0][1] = base[1][0] = 1;\n    base[1][1] = 0;\n\n    \/\/ \u884c\u5217\u7d2f\u4e57\u306e\u8a08\u7b97\n    Matrix result = matrix_power(base, n - 1);\n    return result[0][0];\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u30e2\u30b8\u30e5\u30e9\u7d2f\u4e57\u306e\u9ad8\u901f\u306a\u8a08\u7b97\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6697\u53f7\u5316\u3084\u30cf\u30c3\u30b7\u30e5\u8a08\u7b97\u3067\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u30e2\u30b8\u30e5\u30e9\u7d2f\u4e57\u306e\u52b9\u7387\u7684\u306a\u5b9f\u88c5\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\n\/\/ \u30e2\u30b8\u30e5\u30e9\u7d2f\u4e57\u306e\u9ad8\u901f\u8a08\u7b97\uff08a^n mod m\uff09\ntemplate&lt;typename T&gt;\nT modular_power(T base, unsigned long long exp, T modulus) {\n    T result = 1;\n    base %= modulus;\n\n    while (exp &gt; 0) {\n        if (exp &amp; 1) {\n            result = (result * base) % modulus;\n        }\n        base = (base * base) % modulus;\n        exp &gt;&gt;= 1;\n    }\n\n    return result;\n}\n\n\/\/ \u30e2\u30b8\u30e5\u30e9\u9006\u5143\u306e\u8a08\u7b97\uff08\u62e1\u5f35\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\uff09\ntemplate&lt;typename T&gt;\nT modular_multiplicative_inverse(T a, T m) {\n    T m0 = m, t, q;\n    T x0 = 0, x1 = 1;\n\n    if (m == 1) return 0;\n\n    while (a &gt; 1) {\n        q = a \/ m;\n        t = m;\n        m = a % m;\n        a = t;\n        t = x0;\n        x0 = x1 - q * x0;\n        x1 = t;\n    }\n\n    if (x1 &lt; 0) x1 += m0;\n    return x1;\n}\n\n\/\/ RSA\u6697\u53f7\u306e\u57fa\u672c\u6f14\u7b97\u4f8b\nclass RSABasicOperations {\npublic:\n    \/\/ \u6697\u53f7\u5316: c = m^e mod n\n    static long long encrypt(long long message, long long e, long long n) {\n        return modular_power(message, e, n);\n    }\n\n    \/\/ \u5fa9\u53f7\u5316: m = c^d mod n\n    static long long decrypt(long long cipher, long long d, long long n) {\n        return modular_power(cipher, d, n);\n    }\n};<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u8df5\u7684\u306a\u5fdc\u7528\u30b7\u30ca\u30ea\u30aa\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b0\u30e9\u30d5\u7406\u8ad6\u3067\u306e\u5fdc\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u96a3\u63a5\u884c\u5217\u306en\u4e57\u306b\u3088\u308b\u7d4c\u8def\u6570\u306e\u8a08\u7b97<\/li>\n\n\n\n<li>\u9023\u7d50\u6210\u5206\u306e\u89e3\u6790<\/li>\n\n\n\n<li>\u5230\u9054\u53ef\u80fd\u6027\u306e\u5224\u5b9a<\/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=\"\">\/\/ \u30b0\u30e9\u30d5\u306e\u7d4c\u8def\u6570\u8a08\u7b97\u4f8b\nclass GraphPathCounter {\npublic:\n    static Matrix count_paths(const Matrix&amp; adjacency_matrix, int steps) {\n        return matrix_power(adjacency_matrix, steps);\n    }\n\n    \/\/ 2\u70b9\u9593\u306e\u7d4c\u8def\u6570\u3092\u53d6\u5f97\n    static long long get_path_count(const Matrix&amp; result, int from, int to) {\n        return result[from][to];\n    }\n};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u6697\u53f7\u5316\u3067\u306e\u5fdc\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RSA\u6697\u53f7\u5316<\/li>\n\n\n\n<li>DH\u9375\u4ea4\u63db<\/li>\n\n\n\n<li>\u30c7\u30b8\u30bf\u30eb\u7f72\u540d<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u52d5\u7684\u8a08\u753b\u6cd5\u3067\u306e\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u5217\u306e\u9ad8\u901f\u8a08\u7b97<\/li>\n\n\n\n<li>\u884c\u5217\u7d2f\u4e57\u306b\u3088\u308b\u6f38\u5316\u5f0f\u306e\u89e3\u6cd5<\/li>\n\n\n\n<li>\u7d44\u307f\u5408\u308f\u305b\u8a08\u7b97\u306e\u52b9\u7387\u5316<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u88c5\u6642\u306e\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6570\u5024\u306e\u7cbe\u5ea6\u3068\u7bc4\u56f2<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u5bfe\u7b56<\/li>\n\n\n\n<li>\u30e2\u30b8\u30e5\u30e9\u6f14\u7b97\u306e\u9069\u7528<\/li>\n\n\n\n<li>\u6d6e\u52d5\u5c0f\u6570\u70b9\u8aa4\u5dee\u306e\u8003\u616e<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387\u306e\u5411\u4e0a<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u4e26\u5217\u5316\u306e\u691c\u8a0e<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u51e6\u7406<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5165\u529b\u5024\u306e\u691c\u8a3c<\/li>\n\n\n\n<li>\u5883\u754c\u6761\u4ef6\u306e\u51e6\u7406<\/li>\n\n\n\n<li>\u4f8b\u5916\u51e6\u7406\u306e\u5b9f\u88c5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u5fdc\u7528\u4f8b\u306f\u3001\u7d2f\u4e57\u8a08\u7b97\u306e\u5b9f\u7528\u7684\u306a\u6d3b\u7528\u65b9\u6cd5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5404\u5b9f\u88c5\u65b9\u6cd5\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-16\">\u7d2f\u4e57\u8a08\u7b97\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6bd4\u8f03<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u5404\u5b9f\u88c5\u65b9\u6cd5\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u7d50\u679c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u306e\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u3001\u5404\u5b9f\u88c5\u65b9\u6cd5\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u6bd4\u8f03\u3057\u307e\u3057\u305f\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#include &lt;chrono&gt;\n#include &lt;vector&gt;\n#include &lt;iomanip&gt;\n#include &lt;functional&gt;\n\nclass PowerBenchmark {\nprivate:\n    using Clock = std::chrono::high_resolution_clock;\n    using Duration = std::chrono::microseconds;\n\n    \/\/ \u30d9\u30f3\u30c1\u30de\u30fc\u30af\u5b9f\u884c\u95a2\u6570\n    template&lt;typename Func&gt;\n    static Duration measure_execution_time(Func&amp;&amp; func, size_t iterations) {\n        auto start = Clock::now();\n\n        for(size_t i = 0; i &lt; iterations; ++i) {\n            func();\n            \/\/ \u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u3092\u9632\u3050\n            asm volatile(\"\" : : : \"memory\");\n        }\n\n        auto end = Clock::now();\n        return std::chrono::duration_cast&lt;Duration&gt;(end - start);\n    }\n\npublic:\n    \/\/ \u30d9\u30f3\u30c1\u30de\u30fc\u30af\u7d50\u679c\u69cb\u9020\u4f53\n    struct BenchmarkResult {\n        std::string method_name;\n        Duration average_time;\n        Duration min_time;\n        Duration max_time;\n        size_t iterations;\n    };\n\n    \/\/ \u30d9\u30f3\u30c1\u30de\u30fc\u30af\u5b9f\u884c\n    template&lt;typename Func&gt;\n    static BenchmarkResult run_benchmark(const std::string&amp; method_name, \n                                       Func&amp;&amp; func, \n                                       size_t iterations = 1000) {\n        std::vector&lt;Duration&gt; times;\n        times.reserve(iterations);\n\n        for(size_t i = 0; i &lt; iterations; ++i) {\n            times.push_back(measure_execution_time(func, 1));\n        }\n\n        \/\/ \u7d71\u8a08\u8a08\u7b97\n        Duration total{0};\n        Duration min_time = times[0];\n        Duration max_time = times[0];\n\n        for(const auto&amp; time : times) {\n            total += time;\n            min_time = std::min(min_time, time);\n            max_time = std::max(max_time, time);\n        }\n\n        return {\n            method_name,\n            Duration(total.count() \/ iterations),\n            min_time,\n            max_time,\n            iterations\n        };\n    }\n};\n\n\/\/ \u30d9\u30f3\u30c1\u30de\u30fc\u30af\u7d50\u679c\u306e\u51fa\u529b\nvoid print_benchmark_results(const std::vector&lt;PowerBenchmark::BenchmarkResult&gt;&amp; results) {\n    std::cout &lt;&lt; std::setw(20) &lt;&lt; \"Method\" \n              &lt;&lt; std::setw(15) &lt;&lt; \"Average(\u03bcs)\" \n              &lt;&lt; std::setw(15) &lt;&lt; \"Min(\u03bcs)\" \n              &lt;&lt; std::setw(15) &lt;&lt; \"Max(\u03bcs)\" \n              &lt;&lt; std::endl;\n    std::cout &lt;&lt; std::string(65, '-') &lt;&lt; std::endl;\n\n    for(const auto&amp; result : results) {\n        std::cout &lt;&lt; std::setw(20) &lt;&lt; result.method_name\n                  &lt;&lt; std::setw(15) &lt;&lt; result.average_time.count()\n                  &lt;&lt; std::setw(15) &lt;&lt; result.min_time.count()\n                  &lt;&lt; std::setw(15) &lt;&lt; result.max_time.count()\n                  &lt;&lt; std::endl;\n    }\n}<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u30d9\u30f3\u30c1\u30de\u30fc\u30af\u7d50\u679c\uff1a<\/p>\n\n\n<div id=\"id-e3fa14ef-9c93-46d4-8d9e-908df39d5912\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5b9f\u88c5\u65b9\u6cd5<\/th><th>\u5c0f\u3055\u306a\u6307\u6570(n\u226410)<\/th><th>\u4e2d\u7a0b\u5ea6\u306e\u6307\u6570(10&lt;n\u2264100)<\/th><th>\u5927\u304d\u306a\u6307\u6570(n&gt;100)<\/th><\/tr><\/thead><tbody><tr><td>\u518d\u5e30\u7684\u5b9f\u88c5<\/td><td>0.5\u03bcs<\/td><td>2.3\u03bcs<\/td><td>8.7\u03bcs<\/td><\/tr><tr><td>\u53cd\u5fa9\u5b9f\u88c5<\/td><td>0.3\u03bcs<\/td><td>1.1\u03bcs<\/td><td>2.8\u03bcs<\/td><\/tr><tr><td>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b9f\u88c5<\/td><td>0.2\u03bcs<\/td><td>0.8\u03bcs<\/td><td>2.1\u03bcs<\/td><\/tr><tr><td>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u8a08\u7b97<\/td><td>0.1\u03bcs<\/td><td>0.1\u03bcs<\/td><td>0.1\u03bcs<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u4f7f\u7528\u30b7\u30ca\u30ea\u30aa\u5225\u306e\u6700\u9069\u306a\u5b9f\u88c5\u9078\u629e<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u5024\u304c\u78ba\u5b9a\u3059\u308b\u5834\u5408<\/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=\"\">\/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u8a08\u7b97\u3092\u4f7f\u7528\nconstexpr auto result = constexpr_power(2, 10);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30ea\u30c3\u30c8\uff1a\u5b9f\u884c\u6642\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306a\u3057<\/li>\n\n\n\n<li>\u4f7f\u7528\u30b7\u30fc\u30f3\uff1a\u5b9a\u6570\u5024\u306e\u8a08\u7b97<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5c0f\u3055\u306a\u6574\u6570\u5024\u306e\u7d2f\u4e57\u8a08\u7b97<\/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=\"\">\/\/ \u30d3\u30c3\u30c8\u6f14\u7b97\u5b9f\u88c5\u3092\u4f7f\u7528\nint result = power_bitwise(base, exp);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30ea\u30c3\u30c8\uff1a\u9ad8\u901f\u3067\u5358\u7d14<\/li>\n\n\n\n<li>\u4f7f\u7528\u30b7\u30fc\u30f3\uff1a\u4e00\u822c\u7684\u306a\u6574\u6570\u8a08\u7b97<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6d6e\u52d5\u5c0f\u6570\u70b9\u6570\u306e\u7d2f\u4e57\u8a08\u7b97<\/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=\"\">\/\/ \u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u7528\ndouble result = std::pow(base, exp);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30ea\u30c3\u30c8\uff1a\u7cbe\u5ea6\u304c\u4fdd\u8a3c\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u4f7f\u7528\u30b7\u30fc\u30f3\uff1a\u79d1\u5b66\u6280\u8853\u8a08\u7b97<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5927\u304d\u306a\u6574\u6570\u306e\u30e2\u30b8\u30e5\u30e9\u7d2f\u4e57<\/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=\"\">\/\/ \u30e2\u30b8\u30e5\u30e9\u7d2f\u4e57\u5b9f\u88c5\u3092\u4f7f\u7528\nauto result = modular_power(base, exp, mod);<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30ea\u30c3\u30c8\uff1a\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u9632\u6b62<\/li>\n\n\n\n<li>\u4f7f\u7528\u30b7\u30fc\u30f3\uff1a\u6697\u53f7\u8a08\u7b97<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u88c5\u9078\u629e\u306e\u6307\u91dd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u6027\u80fd\u8981\u4ef6\u306b\u57fa\u3065\u304f\u9078\u629e<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-07a6e7fb-c6f6-4437-aa3a-c08a52d469bd\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u8981\u4ef6<\/th><th>\u63a8\u5968\u5b9f\u88c5<\/th><th>\u7406\u7531<\/th><\/tr><\/thead><tbody><tr><td>\u6700\u9ad8\u6027\u80fd<\/td><td>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u8a08\u7b97<\/td><td>\u5b9f\u884c\u6642\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u306a\u3057<\/td><\/tr><tr><td>\u30d0\u30e9\u30f3\u30b9<\/td><td>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b9f\u88c5<\/td><td>\u9ad8\u901f\u3067\u6271\u3044\u3084\u3059\u3044<\/td><\/tr><tr><td>\u7cbe\u5ea6\u91cd\u8996<\/td><td>\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea<\/td><td>\u6700\u9069\u5316\u3055\u308c\u305f\u5b9f\u88c5<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u4f7f\u7528\u74b0\u5883\u306b\u3088\u308b\u9078\u629e<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-d3adc02a-a9f1-42c0-bb4c-fb03b47a3660\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u74b0\u5883<\/th><th>\u63a8\u5968\u5b9f\u88c5<\/th><th>\u8003\u616e\u70b9<\/th><\/tr><\/thead><tbody><tr><td>\u7d44\u8fbc\u307f\u7cfb<\/td><td>\u30d3\u30c3\u30c8\u6f14\u7b97\u5b9f\u88c5<\/td><td>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u304c\u5c11\u306a\u3044<\/td><\/tr><tr><td>\u30b5\u30fc\u30d0\u30fc<\/td><td>\u6a19\u6e96\u30e9\u30a4\u30d6\u30e9\u30ea<\/td><td>\u4fe1\u983c\u6027\u304c\u9ad8\u3044<\/td><\/tr><tr><td>\u6697\u53f7\u51e6\u7406<\/td><td>\u30e2\u30b8\u30e5\u30e9\u5b9f\u88c5<\/td><td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8981\u4ef6\u3092\u6e80\u305f\u3059<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u5b9f\u88c5\u306e\u8907\u96d1\u3055\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-f7ef2890-6779-40b4-9edc-a0057672faca\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5b9f\u88c5\u65b9\u6cd5<\/th><th>\u8907\u96d1\u3055<\/th><th>\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027<\/th><\/tr><\/thead><tbody><tr><td>\u518d\u5e30\u5b9f\u88c5<\/td><td>\u4f4e<\/td><td>\u9ad8<\/td><\/tr><tr><td>\u53cd\u5fa9\u5b9f\u88c5<\/td><td>\u4e2d<\/td><td>\u4e2d<\/td><\/tr><tr><td>\u30d3\u30c3\u30c8\u6f14\u7b97<\/td><td>\u4e2d<\/td><td>\u4e2d<\/td><\/tr><tr><td>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/td><td>\u9ad8<\/td><td>\u4f4e<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u88c5\u9078\u629e\u6642\u306e\u6ce8\u610f\u70b9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8003\u616e\u4e8b\u9805<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5165\u529b\u5024\u306e\u7bc4\u56f2<\/li>\n\n\n\n<li>\u547c\u3073\u51fa\u3057\u983b\u5ea6<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u5236\u7d04<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u4fdd\u5b88\u6027\u306e\u8003\u616e<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30b0\u306e\u5bb9\u6613\u3055<\/li>\n\n\n\n<li>\u30c1\u30fc\u30e0\u5168\u4f53\u306e\u6280\u8853\u30ec\u30d9\u30eb<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u8981\u4ef6<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f8b\u5916\u51e6\u7406\u306e\u5fc5\u8981\u6027<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u306e\u53b3\u5bc6\u3055<\/li>\n\n\n\n<li>\u56de\u5fa9\u51e6\u7406\u306e\u8981\u5426<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3089\u306e\u6bd4\u8f03\u7d50\u679c\u3068\u6307\u91dd\u3092\u53c2\u8003\u306b\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u306b\u6700\u9069\u306a\u5b9f\u88c5\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in \/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/ &#8230; <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-1964","post","type-post","status-publish","format-standard","category-cpp","nothumb"],"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1964","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=1964"}],"version-history":[{"count":1,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1964\/revisions"}],"predecessor-version":[{"id":1965,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1964\/revisions\/1965"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}