{"id":330,"date":"2025-07-17T16:05:20","date_gmt":"2025-07-17T16:05:20","guid":{"rendered":"http:\/\/west.wangyuansheng.cn\/?p=330"},"modified":"2025-07-20T06:07:19","modified_gmt":"2025-07-20T06:07:19","slug":"%e7%8e%ab%e7%91%b0%e8%8a%b1%e5%9c%83","status":"publish","type":"post","link":"http:\/\/west.wangyuansheng.cn\/?p=330","title":{"rendered":"\u73ab\u7470\u82b1\u5703"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"737\" height=\"1024\" src=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/07\/1345-737x1024.jpg\" alt=\"\" class=\"wp-image-331\" srcset=\"http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/07\/1345-737x1024.jpg 737w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/07\/1345-216x300.jpg 216w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/07\/1345-768x1067.jpg 768w, http:\/\/west.wangyuansheng.cn\/wp-content\/uploads\/2025\/07\/1345.jpg 950w\" sizes=\"auto, (max-width: 737px) 100vw, 737px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u95ee\u9898\u5206\u6790<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba9\u6211\u4eec\u628a\u8fd9\u4e2a\u95ee\u9898\u60f3\u8c61\u6210\u4e00\u4e2a\u7531\u5c0f\u6b63\u65b9\u5f62\u7ec4\u6210\u7684\u73ab\u7470\u82b1\u5703\uff0c\u5c31\u50cf\u4e00\u4e2a\u7f51\u683c\u3002\u5047\u8bbe\u82b1\u5703\u6709 ( n * n ) \u4e2a\u5c0f\u683c\u5b50\uff08( n ) \u662f\u5947\u6570\u4e14\u5927\u4e8e\u7b49\u4e8e5\uff09\u3002\u6211\u4eec\u9700\u8981\u5728\u4ee5\u4e0b\u4f4d\u7f6e\u79cd\u690d\u7c89\u8272\u73ab\u7470\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6700\u4e2d\u95f4\u7684\u4e00\u884c<\/strong>\uff1a\u6574\u4e2a\u4e00\u884c\u683c\u5b50\uff08\u6709 ( n ) \u4e2a\u683c\u5b50\uff09\u3002<\/li>\n\n\n\n<li><strong>\u6700\u4e2d\u95f4\u7684\u4e00\u5217<\/strong>\uff1a\u6574\u4e2a\u4e00\u5217\u683c\u5b50\uff08\u6709 ( n ) \u4e2a\u683c\u5b50\uff09\u3002<\/li>\n\n\n\n<li><strong>\u56db\u4e2a\u9876\u70b9<\/strong>\uff1a\u82b1\u5703\u7684\u56db\u4e2a\u89d2\u843d\uff0c\u5404\u4e00\u4e2a\u683c\u5b50\uff08\u5171 4 \u4e2a\u683c\u5b50\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u662f\uff0c\u4e2d\u95f4\u884c\u548c\u4e2d\u95f4\u5217\u4f1a\u4ea4\u53c9\u5728\u4e00\u4e2a\u70b9\uff08\u4e2d\u5fc3\u70b9\uff09\uff0c\u8fd9\u4e2a\u70b9\u88ab\u91cd\u590d\u8ba1\u7b97\u4e86\u4e00\u6b21\uff08\u5b83\u65e2\u5728\u4e2d\u95f4\u884c\u53c8\u5728\u4e2d\u95f4\u5217\uff09\u3002\u6240\u4ee5\uff0c\u6211\u4eec\u9700\u8981\u907f\u514d\u91cd\u590d\u8ba1\u6570\u3002\u53e6\u5916\uff0c\u56db\u4e2a\u9876\u70b9\u4e0d\u4f1a\u548c\u4e2d\u95f4\u884c\u6216\u5217\u91cd\u53e0\uff0c\u56e0\u4e3a ( n &gt;=5 )\uff0c\u9876\u70b9\u5728\u89d2\u843d\uff0c\u800c\u4e2d\u95f4\u884c\u548c\u5217\u5728\u4e2d\u5fc3\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u7c89\u8272\u73ab\u7470\u7684\u603b\u683c\u5b50\u6570\u53ef\u4ee5\u8fd9\u6837\u8ba1\u7b97\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e2d\u95f4\u884c\uff1a( n ) \u4e2a\u683c\u5b50\u3002<\/li>\n\n\n\n<li>\u4e2d\u95f4\u5217\uff1a( n ) \u4e2a\u683c\u5b50\u3002<\/li>\n\n\n\n<li>\u51cf\u53bb\u91cd\u590d\u7684\u4e2d\u5fc3\u70b9\uff1a1 \u4e2a\u683c\u5b50\uff08\u56e0\u4e3a\u5b83\u5728\u4e2d\u95f4\u884c\u548c\u5217\u4e2d\u88ab\u7b97\u4e86\u4e24\u6b21\uff09\u3002<\/li>\n\n\n\n<li>\u52a0\u4e0a\u56db\u4e2a\u9876\u70b9\uff1a4 \u4e2a\u683c\u5b50\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\uff0c\u7c89\u8272\u73ab\u7470\u7684\u603b\u683c\u5b50\u6570 = ( n + n &#8211; 1 + 4 = 2n + 3 )\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6574\u4e2a\u82b1\u5703\u7684\u603b\u683c\u5b50\u6570\u662f n * n\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7c89\u8272\u73ab\u7470\u5360\u6bd4 = 2n + 3 \u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u767e\u5206\u6bd4 = (2n + 3) \/ n*n \u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u540e\uff0c\u7ed3\u679c\u4fdd\u7559\u4e00\u4f4d\u5c0f\u6570\uff0c\u5e76\u663e\u793a\u4e3a\u767e\u5206\u6bd4\u5f62\u5f0f\uff08\u5982 52.0%\uff09\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u8fd9\u4e2a\u6a21\u578b\u7b80\u5355\uff1f<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6211\u4eec\u7528\u52a0\u6cd5\u548c\u51cf\u6cd5\u6765\u8ba1\u6570\u683c\u5b50\uff0c\u5c31\u50cf\u6570\u6570\u4e00\u6837\u3002<\/li>\n\n\n\n<li>\u4e2d\u95f4\u884c\u3001\u4e2d\u95f4\u5217\u548c\u9876\u70b9\u90fd\u662f\u5bb9\u6613\u627e\u5230\u7684\u4f4d\u7f6e\uff08\u60f3\u8c61\u4e00\u4e2a\u68cb\u76d8\uff0c\u4e2d\u95f4\u884c\u548c\u5217\u5c31\u662f\u6b63\u4e2d\u95f4\u7684\u90a3\u4e00\u884c\u548c\u4e00\u5217\uff0c\u9876\u70b9\u5c31\u662f\u56db\u4e2a\u89d2\uff09\u3002<\/li>\n\n\n\n<li>\u91cd\u590d\u7684\u4e2d\u5fc3\u70b9\u5c31\u50cf\u6570\u4e1c\u897f\u65f6\u4e0d\u5c0f\u5fc3\u6570\u4e86\u4e24\u6b21\uff0c\u6240\u4ee5\u8981\u51cf\u6389\u4e00\u6b21\u3002<\/li>\n\n\n\n<li>\u6570\u5b66\u516c\u5f0f\u5f88\u7b80\u5355\uff1a\u53ea\u7528\u5230\u4e58\u6cd5\u548c\u9664\u6cd5\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u7f16\u5199\u7a0b\u5e8f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\uff0c\u6211\u4eec\u7528 C++ \u5199\u4e00\u4e2a\u7a0b\u5e8f\u6765\u5b9e\u73b0\u8fd9\u4e2a\u8ba1\u7b97\u3002\u7a0b\u5e8f\u4f1a\u8bfb\u53d6\u6574\u6570 ( n )\uff0c\u8ba1\u7b97\u7c89\u8272\u73ab\u7470\u7684\u767e\u5206\u6bd4\uff0c\u5e76\u8f93\u51fa\u7ed3\u679c\uff08\u4fdd\u7559\u4e00\u4f4d\u5c0f\u6570\uff0c\u5e26\u767e\u5206\u53f7\uff09\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;bits\/stdc++.h>\nusing namespace std;\n\nint main() {\n    int n;\n    cin >> n; \/\/ \u8bfb\u5165\u6574\u6570 n\n    \/\/ \u8ba1\u7b97\u7c89\u8272\u73ab\u7470\u683c\u5b50\u6570\uff1a2n + 3\n    int pink_count = 2 * n + 3;\n    \/\/ \u8ba1\u7b97\u603b\u683c\u5b50\u6570\uff1an * n\n    int total = n * n;\n     \/\/ \u8f93\u51fa\u767e\u5206\u6bd4\uff0c\u4fdd\u7559\u4e00\u4f4d\u5c0f\u6570\uff0c\u5e76\u6dfb\u52a0\u767e\u5206\u53f7\n    cout &lt;&lt; fixed &lt;&lt; setprecision(1) &lt;&lt; pink_count*100.0 \/ total &lt;&lt; \"%\" &lt;&lt; endl;\n    return 0;\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u4fdd\u5b58 \u7f16\u8bd1 \u8fd0\u884c<\/h3>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u9898\u5206\u6790 \u8ba9\u6211\u4eec\u628a\u8fd9\u4e2a\u95ee\u9898\u60f3\u8c61\u6210\u4e00\u4e2a\u7531\u5c0f\u6b63\u65b9\u5f62\u7ec4\u6210\u7684\u73ab\u7470\u82b1\u5703\uff0c\u5c31\u50cf\u4e00\u4e2a\u7f51\u683c\u3002\u5047\u8bbe\u82b1\u5703\u6709 (&#8230; <a class=\"read-more\" href=\"http:\/\/west.wangyuansheng.cn\/?p=330\">\u9605\u8bfb\u66f4\u591a&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-330","post","type-post","status-publish","format-standard","hentry","category-problem"],"_links":{"self":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/330","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=330"}],"version-history":[{"count":3,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/330\/revisions"}],"predecessor-version":[{"id":439,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=\/wp\/v2\/posts\/330\/revisions\/439"}],"wp:attachment":[{"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=330"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=330"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/west.wangyuansheng.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=330"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}