{"id":58,"date":"2022-03-06T22:04:00","date_gmt":"2022-03-06T14:04:00","guid":{"rendered":"https:\/\/blog.49cc.top\/?p=58"},"modified":"2022-03-16T22:05:12","modified_gmt":"2022-03-16T14:05:12","slug":"%e5%89%aa%e7%bb%b3%e5%ad%90","status":"publish","type":"post","link":"https:\/\/blog.rrr.ink\/?p=58","title":{"rendered":"\u526a\u7ef3\u5b50"},"content":{"rendered":"\n<p class=\"has-medium-font-size\"><strong>\u9898\u76ee\u63cf\u8ff0\uff1a<\/strong><\/p>\n\n\n\n<p>\u7ed9\u4f60\u4e00\u6839\u957f\u5ea6\u4e3a\u00a0<code>n<\/code>\u00a0\u7684\u7ef3\u5b50\uff0c\u8bf7\u628a\u7ef3\u5b50\u526a\u6210\u6574\u6570\u957f\u5ea6\u7684\u00a0<code>m<\/code>\u00a0\u6bb5\uff08m\u3001n\u90fd\u662f\u6574\u6570\uff0cn>1\u5e76\u4e14m>1\uff09\uff0c\u6bcf\u6bb5\u7ef3\u5b50\u7684\u957f\u5ea6\u8bb0\u4e3a\u00a0<code>k[0],k[1]...k[m-1]<\/code>\u00a0\u3002\u8bf7\u95ee\u00a0<code>k[0]*k[1]*...*k[m-1]<\/code>\u00a0\u53ef\u80fd\u7684\u6700\u5927\u4e58\u79ef\u662f\u591a\u5c11\uff1f\u4f8b\u5982\uff0c\u5f53\u7ef3\u5b50\u7684\u957f\u5ea6\u662f8\u65f6\uff0c\u6211\u4eec\u628a\u5b83\u526a\u6210\u957f\u5ea6\u5206\u522b\u4e3a2\u30013\u30013\u7684\u4e09\u6bb5\uff0c\u6b64\u65f6\u5f97\u5230\u7684\u6700\u5927\u4e58\u79ef\u662f18\u3002<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>\u793a\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u8f93\u5165: 2\n\u8f93\u51fa: 1\n\u89e3\u91ca: 2 = 1 + 1, 1 \u00d7 1 = 1\n\n\u8f93\u5165: 10\r\n\u8f93\u51fa: 36\r\n\u89e3\u91ca: 10 = 3 + 3 + 4, 3 \u00d7 3 \u00d7 4 = 36<\/pre>\n\n\n\n<p>\u63d0\u793a\uff1a<\/p>\n\n\n\n<ul><li><code>2 &lt;= n &lt;= 58<\/code><\/li><\/ul>\n\n\n\n<p class=\"has-medium-font-size\"><strong>\u601d\u8def\uff1a<\/strong><\/p>\n\n\n\n<p>\u5229\u7528\u5747\u503c\u4e0d\u7b49\u5f0f\u6c42\u51fa\u4e58\u79ef\u6700\u5927\u503c\u00a0<code>L(m)=(n\/m)^m<\/code>\u00a0\u5bf9\u6b64\u5f0f\u6c42\u5bfc\uff08\u53ef\u5229\u7528\u5bf9\u6570\u6cd5\uff09\uff0c\u53ef\u4ee5\u8bc1\u660e\u5f53\u00a0<code>m=n\/e<\/code>\u00a0\u65f6\uff0c\u4e58\u79ef\u53d6\u6700\u5927\uff0c\u6b64\u65f6\u6bcf\u6bb5\u7ef3\u5b50\u7684\u957f\u5ea6\u4e3a\u00a0<code>n\/(n\/e)=e<\/code>\uff0c\u81ea\u7136\u5bf9\u6570e\u7684\u503c\u4e3a2.718\uff0c\u663e\u7136\u63a5\u8fd13\uff0c\u6240\u4ee5\u603b\u4f53\u6765\u8bb2\u5c06\u7ef3\u5b50\u4ee5\u957f\u5ea6 3 \u7b49\u5206\u526a\u4e3a\u591a\u6bb5\u65f6\uff0c\u4e58\u79ef\u6700\u5927\u3002<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>\u5b9e\u73b0\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">package main\r\n\r\nimport \"fmt\"\r\n\r\nfunc main() {\r\n\r\n\tfmt.Println(cuttingRope(10)) \/\/36\r\n}\r\n\r\nfunc cuttingRope(n int) int {\r\n\tif n &lt; 4 {\r\n\t\treturn n - 1\r\n\t}\r\n\r\n\tans := 1\r\n\tfor n > 4 {\r\n\t\tans *= 3         \/\/\u957f\u5ea63\r\n\t\tn -= 3\r\n\r\n\t}\r\n\tans *= n  \/\/\u5269\u4f59\r\n\treturn ans\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee\u63cf\u8ff0\uff1a \u7ed9\u4f60\u4e00\u6839\u957f\u5ea6\u4e3a\u00a0n\u00a0\u7684\u7ef3\u5b50\uff0c\u8bf7\u628a\u7ef3\u5b50\u526a\u6210\u6574\u6570\u957f\u5ea6\u7684\u00a0m\u00a0\u6bb5\uff08m\u3001n\u90fd\u662f\u6574\u6570\uff0cn>1\u5e76\u4e14m>1\uff09\uff0c\u6bcf [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[4],"_links":{"self":[{"href":"https:\/\/blog.rrr.ink\/index.php?rest_route=\/wp\/v2\/posts\/58"}],"collection":[{"href":"https:\/\/blog.rrr.ink\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.rrr.ink\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.rrr.ink\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.rrr.ink\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=58"}],"version-history":[{"count":1,"href":"https:\/\/blog.rrr.ink\/index.php?rest_route=\/wp\/v2\/posts\/58\/revisions"}],"predecessor-version":[{"id":59,"href":"https:\/\/blog.rrr.ink\/index.php?rest_route=\/wp\/v2\/posts\/58\/revisions\/59"}],"wp:attachment":[{"href":"https:\/\/blog.rrr.ink\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=58"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.rrr.ink\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=58"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.rrr.ink\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=58"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}