{"id":77,"date":"2023-11-02T22:48:00","date_gmt":"2023-11-02T14:48:00","guid":{"rendered":"http:\/\/www.cmd137blog.top\/?p=77"},"modified":"2024-03-31T22:49:17","modified_gmt":"2024-03-31T14:49:17","slug":"%e3%80%90%e6%b4%9b%e8%b0%b7%e3%80%91p1093-noip2007-%e6%99%ae%e5%8f%8a%e7%bb%84-%e5%a5%96%e5%ad%a6%e9%87%91","status":"publish","type":"post","link":"http:\/\/www.cmd137blog.top\/?p=77","title":{"rendered":"\u3010\u6d1b\u8c37\u3011P1093 [NOIP2007 \u666e\u53ca\u7ec4] \u5956\u5b66\u91d1"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u4e00\u3001\u9898\u76ee\uff1a<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">[NOIP2007 \u666e\u53ca\u7ec4] \u5956\u5b66\u91d1<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">\u9898\u76ee\u63cf\u8ff0<\/h2>\n\n\n\n<p>\u67d0\u5c0f\u5b66\u6700\u8fd1\u5f97\u5230\u4e86\u4e00\u7b14\u8d5e\u52a9\uff0c\u6253\u7b97\u62ff\u51fa\u5176\u4e2d\u4e00\u90e8\u5206\u4e3a\u5b66\u4e60\u6210\u7ee9\u4f18\u79c0\u7684\u524d $5$ \u540d\u5b66\u751f\u53d1\u5956\u5b66\u91d1\u3002\u671f\u672b\uff0c\u6bcf\u4e2a\u5b66\u751f\u90fd\u6709 $3$ \u95e8\u8bfe\u7684\u6210\u7ee9:\u8bed\u6587\u3001\u6570\u5b66\u3001\u82f1\u8bed\u3002\u5148\u6309\u603b\u5206\u4ece\u9ad8\u5230\u4f4e\u6392\u5e8f\uff0c\u5982\u679c\u4e24\u4e2a\u540c\u5b66\u603b\u5206\u76f8\u540c\uff0c\u518d\u6309\u8bed\u6587\u6210\u7ee9\u4ece\u9ad8\u5230\u4f4e\u6392\u5e8f\uff0c\u5982\u679c\u4e24\u4e2a\u540c\u5b66\u603b\u5206\u548c\u8bed\u6587\u6210\u7ee9\u90fd\u76f8\u540c\uff0c\u90a3\u4e48\u89c4\u5b9a\u5b66\u53f7\u5c0f\u7684\u540c\u5b66 \u6392\u5728\u524d\u9762\uff0c\u8fd9\u6837\uff0c\u6bcf\u4e2a\u5b66\u751f\u7684\u6392\u5e8f\u662f\u552f\u4e00\u786e\u5b9a\u7684\u3002<\/p>\n\n\n\n<p>\u4efb\u52a1\uff1a\u5148\u6839\u636e\u8f93\u5165\u7684 $3$ \u95e8\u8bfe\u7684\u6210\u7ee9\u8ba1\u7b97\u603b\u5206\uff0c\u7136\u540e\u6309\u4e0a\u8ff0\u89c4\u5219\u6392\u5e8f\uff0c\u6700\u540e\u6309\u6392\u540d\u987a\u5e8f\u8f93\u51fa\u524d\u4e94\u540d\u540d\u5b66\u751f\u7684\u5b66\u53f7\u548c\u603b\u5206\u3002\u6ce8\u610f\uff0c\u5728\u524d $5$ \u540d\u540c\u5b66\u4e2d\uff0c\u6bcf\u4e2a\u4eba\u7684\u5956\u5b66\u91d1\u90fd\u4e0d\u76f8\u540c\uff0c\u56e0\u6b64\uff0c\u4f60\u5fc5\u987b\u4e25\u683c\u6309\u4e0a\u8ff0\u89c4\u5219\u6392\u5e8f\u3002\u4f8b\u5982\uff0c\u5728\u67d0\u4e2a\u6b63\u786e\u7b54\u6848\u4e2d\uff0c\u5982\u679c\u524d\u4e24\u884c\u7684\u8f93\u51fa\u6570\u636e(\u6bcf\u884c\u8f93\u51fa\u4e24\u4e2a\u6570:\u5b66\u53f7\u3001\u603b\u5206) \u662f:<\/p>\n\n\n\n<p>$7$ $279$<br>$5$ $279$<\/p>\n\n\n\n<p>\u8fd9\u4e24\u884c\u6570\u636e\u7684\u542b\u4e49\u662f:\u603b\u5206\u6700\u9ad8\u7684\u4e24\u4e2a\u540c\u5b66\u7684\u5b66\u53f7\u4f9d\u6b21\u662f $7$ \u53f7\u3001$5$ \u53f7\u3002\u8fd9\u4e24\u540d\u540c\u5b66\u7684\u603b\u5206\u90fd\u662f $279$ (\u603b\u5206\u7b49\u4e8e\u8f93\u5165\u7684\u8bed\u6587\u3001\u6570\u5b66\u3001\u82f1\u8bed\u4e09\u79d1\u6210\u7ee9\u4e4b\u548c) \uff0c\u4f46\u5b66\u53f7\u4e3a $7$ \u7684\u5b66\u751f\u8bed\u6587\u6210\u7ee9\u66f4\u9ad8\u4e00\u4e9b\u3002\u5982\u679c\u4f60\u7684\u524d\u4e24\u540d\u7684\u8f93\u51fa\u6570\u636e\u662f:<\/p>\n\n\n\n<p>$5$ $279$<br>$7$ $279$<\/p>\n\n\n\n<p>\u5219\u6309\u8f93\u51fa\u9519\u8bef\u5904\u7406\uff0c\u4e0d\u80fd\u5f97\u5206\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8f93\u5165\u683c\u5f0f<\/h2>\n\n\n\n<p>\u5171 $n+1$\u884c\u3002<\/p>\n\n\n\n<p>\u7b2c $1$ \u884c\u4e3a\u4e00\u4e2a\u6b63\u6574\u6570$n ( \\le 300)$\uff0c\u8868\u793a\u8be5\u6821\u53c2\u52a0\u8bc4\u9009\u7684\u5b66\u751f\u4eba\u6570\u3002<\/p>\n\n\n\n<p>\u7b2c $2$ \u5230 $n+1$ \u884c\uff0c\u6bcf\u884c\u6709 $3$ \u4e2a\u7528\u7a7a\u683c\u9694\u5f00\u7684\u6570\u5b57\uff0c\u6bcf\u4e2a\u6570\u5b57\u90fd\u5728 $0$ \u5230 $100$ \u4e4b\u95f4\u3002\u7b2c $j$ \u884c\u7684 $3$ \u4e2a\u6570\u5b57\u4f9d\u6b21\u8868\u793a\u5b66\u53f7\u4e3a $j-1$ \u7684\u5b66\u751f\u7684\u8bed\u6587\u3001\u6570\u5b66\u3001\u82f1\u8bed\u7684\u6210\u7ee9\u3002\u6bcf\u4e2a\u5b66\u751f\u7684\u5b66\u53f7\u6309\u7167\u8f93\u5165\u987a\u5e8f\u7f16\u53f7\u4e3a $1\\sim n$\uff08\u6070\u597d\u662f\u8f93\u5165\u6570\u636e\u7684\u884c\u53f7\u51cf $1$\uff09\u3002<\/p>\n\n\n\n<p>\u6240\u7ed9\u7684\u6570\u636e\u90fd\u662f\u6b63\u786e\u7684\uff0c\u4e0d\u5fc5\u68c0\u9a8c\u3002<\/p>\n\n\n\n<p>\/\/\u611f\u8c22 \u9ec4\u5c0fU\u996e\u54c1 \u4fee\u6b63\u8f93\u5165\u683c\u5f0f<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8f93\u51fa\u683c\u5f0f<\/h2>\n\n\n\n<p>\u5171 $5$ \u884c\uff0c\u6bcf\u884c\u662f\u4e24\u4e2a\u7528\u7a7a\u683c\u9694\u5f00\u7684\u6b63\u6574\u6570\uff0c\u4f9d\u6b21\u8868\u793a\u524d $5$ \u540d\u5b66\u751f\u7684\u5b66\u53f7\u548c\u603b\u5206\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6837\u4f8b #1<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6837\u4f8b\u8f93\u5165 #1<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>6\n90 67 80\n87 66 91\n78 89 91\n88 99 77\n67 89 64\n78 89 98<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6837\u4f8b\u8f93\u51fa #1<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>6 265\n4 264\n3 258\n2 244\n1 237<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u6837\u4f8b #2<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6837\u4f8b\u8f93\u5165 #2<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>8\n80 89 89\n88 98 78\n90 67 80\n87 66 91\n78 89 91\n88 99 77\n67 89 64\n78 89 98<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u6837\u4f8b\u8f93\u51fa #2<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>8 265\n2 264\n6 264\n1 258\n5 258<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e8c\u3001\u601d\u8def\uff1a<\/h1>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a<code>student<\/code>\u7684\u7ed3\u6784\u4f53\uff0c\u5305\u542b\u4e86\u5b66\u751f\u7684id\u3001\u4e09\u95e8\u79d1\u76ee\u6210\u7ee9(a\u3001b\u3001c)\u4ee5\u53ca\u603b\u5206(s)\u3002<\/li>\n\n\n\n<li>\u63a5\u4e0b\u6765\u5b9a\u4e49\u4e86\u4e00\u4e2a\u6bd4\u8f83\u51fd\u6570<code>cmp<\/code>\uff0c\u7528\u4e8e\u6bd4\u8f83\u4e24\u4e2a\u5b66\u751f\u5bf9\u8c61\u7684\u5927\u5c0f\u3002\u9996\u5148\u6bd4\u8f83\u4e24\u4e2a\u5b66\u751f\u7684\u603b\u5206\uff0c\u82e5\u603b\u5206\u4e0d\u540c\u5219\u76f4\u63a5\u8fd4\u56de\u603b\u5206\u8f83\u5927\u7684\u5b66\u751f\u3002\u82e5\u603b\u5206\u76f8\u540c\uff0c\u5219\u6bd4\u8f83\u8bed\u6587\u6210\u7ee9(a)\uff0c\u82e5\u8bed\u6587\u6210\u7ee9\u4e0d\u540c\u5219\u8fd4\u56de\u8bed\u6587\u6210\u7ee9\u8f83\u5927\u7684\u5b66\u751f\u3002\u82e5\u8bed\u6587\u6210\u7ee9\u76f8\u540c\uff0c\u5219\u6839\u636e\u5b66\u751f\u7684id\u8fdb\u884c\u6bd4\u8f83\uff0c\u8fd4\u56deid\u8f83\u5c0f\u7684\u5b66\u751f\u3002\u8fd9\u6837\u5c31\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5408\u9002\u7684\u6392\u5e8f\u89c4\u5219\u3002<\/li>\n\n\n\n<li>\u5728\u4e3b\u51fd\u6570\u4e2d\uff0c\u9996\u5148\u8bfb\u5165\u5b66\u751f\u7684\u4e2a\u6570n\uff0c\u5e76\u4f9d\u6b21\u8bfb\u5165\u6bcf\u4e2a\u5b66\u751f\u7684\u4e09\u95e8\u8bfe\u7a0b\u6210\u7ee9\u4ee5\u53caid\uff0c\u5e76\u8ba1\u7b97\u603b\u5206\u3002<\/li>\n\n\n\n<li>\u63a5\u4e0b\u6765\u4f7f\u7528<code>sort<\/code>\u51fd\u6570\u5bf9\u5b66\u751f\u6570\u7ec4<code>arr<\/code>\u8fdb\u884c\u6392\u5e8f\u3002\u6b64\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u5f85\u6392\u5e8f\u6570\u7ec4\u7684\u8d77\u59cb\u5730\u5740\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u6392\u5e8f\u6570\u7ec4\u7684\u7ed3\u675f\u5730\u5740(\u4e0d\u5305\u542b\u5728\u6392\u5e8f\u8303\u56f4\u5185)\uff0c\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u4e00\u4e2a\u6bd4\u8f83\u51fd\u6570\u6307\u9488\uff0c\u7528\u4e8e\u6307\u5b9a\u6392\u5e8f\u89c4\u5219\u3002<\/li>\n\n\n\n<li>\u6700\u540e\uff0c\u901a\u8fc7\u5faa\u73af\u8f93\u51fa\u6392\u540d\u524d5\u7684\u5b66\u751f\u7684id\u548c\u603b\u5206\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u8fd9\u6bb5\u4ee3\u7801\u901a\u8fc7\u5b9a\u4e49\u6bd4\u8f83\u51fd\u6570\u6765\u6307\u5b9a\u7ed3\u6784\u4f53\u6570\u7ec4\u7684\u6392\u5e8f\u89c4\u5219\uff0c\u7136\u540e\u4f7f\u7528sort\u51fd\u6570\u8fdb\u884c\u6392\u5e8f\uff0c\u5b9e\u73b0\u4e86\u5bf9\u5b66\u751f\u6309\u7167\u603b\u5206\u4ece\u9ad8\u5230\u4f4e\u8fdb\u884c\u6392\u5e8f\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e09\u3001\u6e90\u7801\uff1a<\/h1>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"#include <iostream&gt;\n#include <algorithm&gt;\nusing namespace std;\n\nstruct student {\n    int id, a, b, c, s;\n};\n\nbool cmp(student s1, student s2) {\n    if (s1.s &gt; s2.s)\n        return 1;\n    else if (s1.s == s2.s) {\n        if (s1.a &gt; s2.a) {\n            return 1;\n        } else if (s1.a == s2.a) {\n            if (s1.id < s2.id)\n                return 1;\n            else\n                return 0;\n        } else\n            return 0;\n    } else\n        return 0;\n}\n\nstudent arr[305];\n\nint main() {\n    int n;\n    cin &gt;&gt; n;\n    for (int i = 1; i <= n; i++) {\n        cin &gt;&gt; arr[i].a &gt;&gt; arr[i].b &gt;&gt; arr[i].c;\n        arr[i].id = i;\n        arr[i].s = arr[i].a + arr[i].b + arr[i].c;\n    }\n    sort(arr + 1, arr + 1 + n, cmp);\n\n    for (int i = 1; i <= 5; i++) {\n        cout << arr[i].id << &quot; &quot; << arr[i].s << endl;\n    }\n}\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #5E81AC; font-weight: bold\">#<\/span><span style=\"color: #81A1C1\">include<\/span><span style=\"color: #5E81AC\"> <\/span><span style=\"color: #ECEFF4\">&lt;<\/span><span style=\"color: #A3BE8C\">iostream<\/span><span style=\"color: #ECEFF4\">&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #5E81AC; font-weight: bold\">#<\/span><span style=\"color: #81A1C1\">include<\/span><span style=\"color: #5E81AC\"> <\/span><span style=\"color: #ECEFF4\">&lt;<\/span><span style=\"color: #A3BE8C\">algorithm<\/span><span style=\"color: #ECEFF4\">&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">using<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">namespace<\/span><span style=\"color: #D8DEE9FF\"> std<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">struct<\/span><span style=\"color: #D8DEE9FF\"> student <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    <\/span><span style=\"color: #81A1C1\">int<\/span><span style=\"color: #D8DEE9FF\"> id<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> a<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> b<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> c<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> s<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">bool<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">cmp<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">student <\/span><span style=\"color: #D8DEE9\">s1<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> student <\/span><span style=\"color: #D8DEE9\">s2<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">s1<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">s<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&gt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">s2<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">s<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    <\/span><span style=\"color: #81A1C1\">else<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">s1<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">s<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">==<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">s2<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">s<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">s1<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">a<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&gt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">s2<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">a<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">            <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        <\/span><span style=\"color: #ECEFF4\">}<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">else<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">s1<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">a<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">==<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">s2<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">a<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">            <\/span><span style=\"color: #81A1C1\">if<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9\">s1<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">id<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&lt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">s2<\/span><span style=\"color: #ECEFF4\">.<\/span><span style=\"color: #D8DEE9\">id<\/span><span style=\"color: #ECEFF4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">            <\/span><span style=\"color: #81A1C1\">else<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">                <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">0<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        <\/span><span style=\"color: #ECEFF4\">}<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">else<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">            <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">0<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    <\/span><span style=\"color: #ECEFF4\">}<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">else<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        <\/span><span style=\"color: #81A1C1\">return<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">0<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">student <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #B48EAD\">305<\/span><span style=\"color: #ECEFF4\">]<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #81A1C1\">int<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #88C0D0\">main<\/span><span style=\"color: #ECEFF4\">()<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    <\/span><span style=\"color: #81A1C1\">int<\/span><span style=\"color: #D8DEE9FF\"> n<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    cin <\/span><span style=\"color: #81A1C1\">&gt;&gt;<\/span><span style=\"color: #D8DEE9FF\"> n<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    <\/span><span style=\"color: #81A1C1\">for<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #81A1C1\">int<\/span><span style=\"color: #D8DEE9FF\"> i <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #81A1C1\">;<\/span><span style=\"color: #D8DEE9FF\"> i <\/span><span style=\"color: #81A1C1\">&lt;=<\/span><span style=\"color: #D8DEE9FF\"> n<\/span><span style=\"color: #81A1C1\">;<\/span><span style=\"color: #D8DEE9FF\"> i<\/span><span style=\"color: #81A1C1\">++<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        cin <\/span><span style=\"color: #81A1C1\">&gt;&gt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #D8DEE9FF\">i<\/span><span style=\"color: #ECEFF4\">].<\/span><span style=\"color: #D8DEE9\">a<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&gt;&gt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #D8DEE9FF\">i<\/span><span style=\"color: #ECEFF4\">].<\/span><span style=\"color: #D8DEE9\">b<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&gt;&gt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #D8DEE9FF\">i<\/span><span style=\"color: #ECEFF4\">].<\/span><span style=\"color: #D8DEE9\">c<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #D8DEE9FF\">i<\/span><span style=\"color: #ECEFF4\">].<\/span><span style=\"color: #D8DEE9\">id<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> i<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #D8DEE9FF\">i<\/span><span style=\"color: #ECEFF4\">].<\/span><span style=\"color: #D8DEE9\">s<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #D8DEE9FF\">i<\/span><span style=\"color: #ECEFF4\">].<\/span><span style=\"color: #D8DEE9\">a<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">+<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #D8DEE9FF\">i<\/span><span style=\"color: #ECEFF4\">].<\/span><span style=\"color: #D8DEE9\">b<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">+<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #D8DEE9FF\">i<\/span><span style=\"color: #ECEFF4\">].<\/span><span style=\"color: #D8DEE9\">c<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    <\/span><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    <\/span><span style=\"color: #88C0D0\">sort<\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #D8DEE9FF\">arr <\/span><span style=\"color: #81A1C1\">+<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> arr <\/span><span style=\"color: #81A1C1\">+<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">+<\/span><span style=\"color: #D8DEE9FF\"> n<\/span><span style=\"color: #ECEFF4\">,<\/span><span style=\"color: #D8DEE9FF\"> cmp<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    <\/span><span style=\"color: #81A1C1\">for<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">(<\/span><span style=\"color: #81A1C1\">int<\/span><span style=\"color: #D8DEE9FF\"> i <\/span><span style=\"color: #81A1C1\">=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">1<\/span><span style=\"color: #81A1C1\">;<\/span><span style=\"color: #D8DEE9FF\"> i <\/span><span style=\"color: #81A1C1\">&lt;=<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #B48EAD\">5<\/span><span style=\"color: #81A1C1\">;<\/span><span style=\"color: #D8DEE9FF\"> i<\/span><span style=\"color: #81A1C1\">++<\/span><span style=\"color: #ECEFF4\">)<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">{<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">        cout <\/span><span style=\"color: #81A1C1\">&lt;&lt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #D8DEE9FF\">i<\/span><span style=\"color: #ECEFF4\">].<\/span><span style=\"color: #D8DEE9\">id<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&lt;&lt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #A3BE8C\"> <\/span><span style=\"color: #ECEFF4\">&quot;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&lt;&lt;<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">arr<\/span><span style=\"color: #ECEFF4\">[<\/span><span style=\"color: #D8DEE9FF\">i<\/span><span style=\"color: #ECEFF4\">].<\/span><span style=\"color: #D8DEE9\">s<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">&lt;&lt;<\/span><span style=\"color: #D8DEE9FF\"> endl<\/span><span style=\"color: #81A1C1\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D8DEE9FF\">    <\/span><span style=\"color: #ECEFF4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #ECEFF4\">}<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>\u6b22\u8fce\u6539\u6b63\u4e0e\u8865\u5145<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u9898\u76ee\uff1a [NOIP2007 \u666e\u53ca\u7ec4] \u5956\u5b66\u91d1 \u9898\u76ee\u63cf\u8ff0 \u67d0\u5c0f\u5b66\u6700\u8fd1\u5f97\u5230\u4e86\u4e00\u7b14\u8d5e\u52a9\uff0c\u6253\u7b97\u62ff\u51fa\u5176\u4e2d\u4e00\u90e8\u5206\u4e3a\u5b66\u4e60 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[9],"class_list":["post-77","post","type-post","status-publish","format-standard","hentry","category-3","tag-9"],"_links":{"self":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/77","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=77"}],"version-history":[{"count":1,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/77\/revisions"}],"predecessor-version":[{"id":78,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=\/wp\/v2\/posts\/77\/revisions\/78"}],"wp:attachment":[{"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=77"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=77"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.cmd137blog.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}