{"id":75643,"date":"2026-02-12T21:17:42","date_gmt":"2026-02-12T13:17:42","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/75643.html"},"modified":"2026-02-12T21:17:42","modified_gmt":"2026-02-12T13:17:42","slug":"bishi40%e6%95%b0%e7%bb%84%e5%8f%96%e7%b2%be","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/75643.html","title":{"rendered":"BISHI40\u6570\u7ec4\u53d6\u7cbe"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/02\/20260212131740-698dd2f422480.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h4>\u6c42\u89e3\u601d\u8def<\/h4>\n<p>1.\u5148\u5206\u522b\u8ba1\u7b97\u5e8f\u5217A\u548cB\u7684\u603b\u548csumA \u548csumB<\/p>\n<p>2.\u5c06\u6240\u6709\u5143\u7d20\u6309\u7167<span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\">ai&#043;bia_i &#043;b_i<\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.7333em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">a<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">i<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8444em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">b<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">i<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>\u4ece\u5927\u5230\u5c0f\u6392\u5e8f<\/p>\n<p>3.\u4f9d\u6b21\u9009\u53d6\u6392\u5e8f\u540e\u7684\u5143\u7d20&#xff0c;\u7d2f\u52a0\u5b50\u96c6\u7684A\u548c\u3001B\u548c&#xff0c;\u76f4\u5230\u540c\u65f6\u6ee1\u8db3\u8d85\u8fc7\u603b\u548c\u7684\u4e00\u534a<\/p>\n<p>4.\u8f93\u51fa\u9009\u53d6\u7684\u5143\u7d20\u7684\u539f\u59cb\u7d22\u5f15<\/p>\n<h4>\u6c42\u89e3\u4ee3\u7801<\/h4>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Element<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> a<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5bf9\u5e94\u6570\u7ec4A\u7684\u5143\u7d20\u503c<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> b<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5bf9\u5e94\u6570\u7ec4B\u7684\u5143\u7d20\u503c<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> index<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/ \u8be5\u5143\u7d20\u5728\u539f\u6570\u7ec4\u4e2d\u7684\u7d22\u5f15&#xff08;\u4ece1\u5f00\u59cb&#xff09;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6784\u9020\u65b9\u6cd5&#xff1a;\u521d\u59cb\u5316a\u3001b\u3001index<\/span><br \/>\n        <span class=\"token class-name\">Element<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> a<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> b<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> index<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>a <span class=\"token operator\">&#061;<\/span> a<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>b <span class=\"token operator\">&#061;<\/span> b<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>index <span class=\"token operator\">&#061;<\/span> index<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">BufferedReader<\/span> br <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BufferedReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputStreamReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>in<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">int<\/span> n <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parseInt<\/span><span class=\"token punctuation\">(<\/span>br<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> strA <span class=\"token operator\">&#061;<\/span> br<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">split<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> strB <span class=\"token operator\">&#061;<\/span> br<span class=\"token punctuation\">.<\/span><span class=\"token function\">readLine<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">split<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">PrintWriter<\/span> out <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">PrintWriter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">OutputStreamWriter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span>out<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Element<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> elements <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">long<\/span> sumA <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> sumB <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> n<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> a <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parseInt<\/span><span class=\"token punctuation\">(<\/span>strA<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u628astrA\u7684\u5b57\u7b26\u4e32\u8f6c\u6210\u6574\u6570<\/span><br \/>\n            <span class=\"token keyword\">int<\/span> b <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parseInt<\/span><span class=\"token punctuation\">(<\/span>strB<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u628astrB\u7684\u5b57\u7b26\u4e32\u8f6c\u6210\u6574\u6570<\/span><br \/>\n            elements<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Element<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">,<\/span> i <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5c01\u88c5\u6210Element&#xff0c;\u7d22\u5f15\u4ece1\u5f00\u59cb<\/span><br \/>\n            sumA <span class=\"token operator\">&#043;&#061;<\/span> a<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7d2f\u52a0A\u7684\u603b\u548c<\/span><br \/>\n            sumB <span class=\"token operator\">&#043;&#061;<\/span> b<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7d2f\u52a0B\u7684\u603b\u548c<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token class-name\">Collections<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">sort<\/span><span class=\"token punctuation\">(<\/span>elements<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>e1<span class=\"token punctuation\">,<\/span> e2<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">long<\/span> s1 <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">long<\/span><span class=\"token punctuation\">)<\/span> e1<span class=\"token punctuation\">.<\/span>a <span class=\"token operator\">&#043;<\/span> e1<span class=\"token punctuation\">.<\/span>b<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">long<\/span> s2 <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">long<\/span><span class=\"token punctuation\">)<\/span> e2<span class=\"token punctuation\">.<\/span>a <span class=\"token operator\">&#043;<\/span> e2<span class=\"token punctuation\">.<\/span>b<span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Long<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">compare<\/span><span class=\"token punctuation\">(<\/span>s2<span class=\"token punctuation\">,<\/span> s1<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/ \u6309a&#043;b\u4ece\u5927\u5230\u5c0f\u6392\u5e8f<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> res <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ArrayList<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> currentA <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> currentB <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Element<\/span> e <span class=\"token operator\">:<\/span> elements<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            res<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>e<span class=\"token punctuation\">.<\/span>index<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u628a\u5f53\u524d\u5143\u7d20\u7684\u7d22\u5f15\u52a0\u5165\u7ed3\u679c<\/span><br \/>\n            currentA <span class=\"token operator\">&#043;&#061;<\/span> e<span class=\"token punctuation\">.<\/span>a<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7d2f\u52a0\u5b50\u96c6\u7684A\u548c<\/span><br \/>\n            currentB <span class=\"token operator\">&#043;&#061;<\/span> e<span class=\"token punctuation\">.<\/span>b<span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u7d2f\u52a0\u5b50\u96c6\u7684B\u548c<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u68c0\u67e5\u662f\u5426\u6ee1\u8db3\u6761\u4ef6&#xff1a;\u5b50\u96c6\u548c\u8d85\u8fc7\u603b\u548c\u7684\u4e00\u534a<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>currentA <span class=\"token operator\">&gt;<\/span> sumA <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span> <span class=\"token operator\">&amp;&amp;<\/span> currentB <span class=\"token operator\">&gt;<\/span> sumB <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u6ee1\u8db3\u6761\u4ef6\u5219\u505c\u6b62\u9009\u53d6<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        out<span class=\"token punctuation\">.<\/span><span class=\"token function\">println<\/span><span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> res<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            out<span class=\"token punctuation\">.<\/span><span class=\"token function\">print<\/span><span class=\"token punctuation\">(<\/span>res<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token operator\">&#043;<\/span><span class=\"token punctuation\">(<\/span>i <span class=\"token operator\">&#061;&#061;<\/span> res<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">?<\/span> <span class=\"token string\">&#034;&#034;<\/span> <span class=\"token operator\">:<\/span> <span class=\"token string\">&#034; &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        out<span class=\"token punctuation\">.<\/span><span class=\"token function\">flush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        out<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        br<span class=\"token punctuation\">.<\/span><span class=\"token function\">close<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6c42\u89e3\u601d\u8def<br \/>\n1.\u5148\u5206\u522b\u8ba1\u7b97\u5e8f\u5217A\u548cB\u7684\u603b\u548csumA \u548csumB<br \/>\n2.\u5c06\u6240\u6709\u5143\u7d20\u6309\u7167aibia_i b_iai\u200bbi\u200b\u4ece\u5927\u5230\u5c0f\u6392\u5e8f<br \/>\n3.\u4f9d\u6b21\u9009\u53d6\u6392\u5e8f\u540e\u7684\u5143\u7d20&#xff0c;\u7d2f\u52a0\u5b50\u96c6\u7684A\u548c\u3001B\u548c&#xff0c;\u76f4\u5230\u540c\u65f6\u6ee1\u8db3\u8d85\u8fc7\u603b\u548c\u7684\u4e00\u534a<br \/>\n4.\u8f93\u51fa\u9009\u53d6\u7684\u5143\u7d20\u7684\u539f\u59cb\u7d22\u5f15<br \/>\n\u6c42\u89e3\u4ee3\u7801<br \/>\nstatic class Element {int a; \/\/ 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