{"id":120486,"date":"2024-03-23T22:41:01","date_gmt":"2024-03-23T13:41:01","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/python-%e3%81%ae%e6%95%b4%e6%95%b0%e5%88%86%e5%89%b2%e5%95%8f%e9%a1%8c%e3%81%ae%e8%a7%a3%e3%81%8d%e6%96%b9\/"},"modified":"2024-04-05T18:19:09","modified_gmt":"2024-04-05T09:19:09","slug":"python-%e3%81%ae%e6%95%b4%e6%95%b0%e5%88%86%e5%89%b2%e5%95%8f%e9%a1%8c%e3%81%ae%e8%a7%a3%e3%81%8d%e6%96%b9","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/python-%e3%81%ae%e6%95%b4%e6%95%b0%e5%88%86%e5%89%b2%e5%95%8f%e9%a1%8c%e3%81%ae%e8%a7%a3%e3%81%8d%e6%96%b9\/","title":{"rendered":"python \u306e\u6574\u6570\u5206\u5272\u554f\u984c\u306e\u89e3\u304d\u65b9"},"content":{"rendered":"<p>Python\u306e\u6574\u6570\u5206\u5272\u554f\u984c\u3092\u89e3\u304f\u306b\u306f\u3001\u52d5\u7684\u8a08\u753b\u6cd5\u3092\u7528\u3044\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305a\u3001integer_partition(n)\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u3001n\u306f\u5206\u5272\u3055\u308c\u308b\u6574\u6570\u3092\u8868\u3057\u307e\u3059\u3002\u8a08\u7b97\u7d50\u679c\u3092\u4fdd\u5b58\u3059\u308b\u30ea\u30b9\u30c8dp\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002dp[i]\u306f\u3001\u5206\u5272\u3055\u308c\u308b\u6574\u6570\u304ci\u306e\u3068\u304d\u306e\u5206\u5272\u30b9\u30ad\u30fc\u30e0\u6570\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<p>dp\u306e\u30ea\u30b9\u30c8\u3092\u3059\u3079\u30660\u3067\u521d\u671f\u5316\u3057\u3001dp[0]\u30921\u306b\u3057\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001dp[i] \u306e\u5024\u3092\u5c0f\u3055\u3044\u3082\u306e\u304b\u3089\u8a08\u7b97\u3057\u3066\u3044\u304d\u307e\u3059\u3002\u5404i\u306b\u5bfe\u3057\u3066\u3001i\u3092\u7570\u306a\u308b\u6574\u6570\u306e\u96c6\u5408\u306b\u5206\u5272\u3059\u308b\u53ef\u80fd\u306a\u5206\u5272\u65b9\u6cd5\u3092\u3059\u3079\u3066\u8a66\u884c\u3057\u307e\u3059\u3002\u5206\u5272\u3055\u308c\u305f\u6574\u6570\u3092j\u3068\u3057\u307e\u3059\u3002<\/p>\n<p>i\u3092j\u3068i-j\u306b\u5206\u5272\u3067\u304d\u3001i-j\u3092\u3055\u3089\u306b\u5206\u5272\u3067\u304d\u308b\u3002<\/p>\n<p>\u3088\u3063\u3066\u3001\u6f38\u5316\u5f0f\u3068\u3057\u3066 dp[i] = dp[i] + dp[i-j] \u304c\u5f97\u3089\u308c\u308b\u3002<\/p>\n<p>\u6700\u5f8c\u306b\u3001dp[n]\u3092\u6574\u6570\u5206\u5272\u306e\u7d50\u679c\u3068\u3057\u3066\u8fd4\u3059\u3002<\/p>\n<p>\u52d5\u7684\u8a08\u753b\u6cd5\u3092\u7528\u3044\u3066\u6574\u6570\u5206\u5272\u554f\u984c\u3092\u89e3\u304fPython\u30b3\u30fc\u30c9\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">def<\/span> <span class=\"hljs-title function_\">integer_partition<\/span>(<span class=\"hljs-params\">n<\/span>):\r\ndp = [<span class=\"hljs-number\">0<\/span>] * (n + <span class=\"hljs-number\">1<\/span>)\r\ndp[<span class=\"hljs-number\">0<\/span>] = <span class=\"hljs-number\">1<\/span>\r\n<span class=\"hljs-keyword\">for<\/span> i <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-built_in\">range<\/span>(<span class=\"hljs-number\">1<\/span>, n + <span class=\"hljs-number\">1<\/span>):\r\n<span class=\"hljs-keyword\">for<\/span> j <span class=\"hljs-keyword\">in<\/span> <span class=\"hljs-built_in\">range<\/span>(<span class=\"hljs-number\">1<\/span>, i + <span class=\"hljs-number\">1<\/span>):\r\ndp[i] += dp[i - j]\r\n<span class=\"hljs-keyword\">return<\/span> dp[n]\r\n<\/code><\/pre>\n<p>\u672c\u95a2\u6570\u3092\u5229\u7528\u3059\u308b\u6642\u3001\u4f8b\u3048\u3070integer_partition(5)\u3068\u3059\u308b\u30687\u304c\u8fd4\u308a\u30015\u3092\u81ea\u7136\u6570\u306b\u5206\u5272\u3059\u308b\u65b9\u6cd5\u306e\u6570\u304c7\u901a\u308a\u3067\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u306e\u6574\u6570\u5206\u5272\u554f\u984c\u3092\u89e3\u304f\u306b\u306f\u3001\u52d5\u7684\u8a08\u753b\u6cd5\u3092\u7528\u3044\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u307e\u305a\u3001integer_partition(n)\u95a2\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u3001n\u306f\u5206\u5272\u3055\u308c\u308b\u6574\u6570\u3092\u8868\u3057\u307e\u3059\u3002\u8a08\u7b97\u7d50\u679c\u3092\u4fdd\u5b58\u3059\u308b\u30ea\u30b9\u30c8dp\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-120486","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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