{"id":69497,"date":"2026-01-31T19:16:53","date_gmt":"2026-01-31T11:16:53","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/69497.html"},"modified":"2026-01-31T19:16:53","modified_gmt":"2026-01-31T11:16:53","slug":"usaco%e5%8e%86%e5%b9%b4%e9%bb%84%e9%87%91%e7%bb%84%e7%9c%9f%e9%a2%98%e8%a7%a3%e6%9e%90-2007%e5%b9%b41%e6%9c%88","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/69497.html","title":{"rendered":"USACO\u5386\u5e74\u9ec4\u91d1\u7ec4\u771f\u9898\u89e3\u6790 | 2007\u5e741\u6708"},"content":{"rendered":"<p>\u200b\u6b22\u8fce\u5927\u5bb6\u8ba2\u9605\u6211\u7684\u4e13\u680f&#xff1a;\u7b97\u6cd5\u9898\u89e3&#xff1a;C&#043;&#043;\u4e0ePython\u5b9e\u73b0&#xff01; \u672c\u4e13\u680f\u65e8\u5728\u5e2e\u52a9\u5927\u5bb6\u4ece\u57fa\u7840\u5230\u8fdb\u9636 &#xff0c;\u9010\u6b65\u63d0\u5347\u7f16\u7a0b\u80fd\u529b&#xff0c;\u52a9\u529b\u4fe1\u606f\u5b66\u7ade\u8d5b\u5907\u6218&#xff01;<\/p>\n<p>\u4e13\u680f\u7279\u8272 1.\u7ecf\u5178\u7b97\u6cd5\u7ec3\u4e60&#xff1a;\u6839\u636e\u4fe1\u606f\u5b66\u7ade\u8d5b\u5927\u7eb2&#xff0c;\u7cbe\u5fc3\u6311\u9009\u7ecf\u5178\u7b97\u6cd5\u9898\u76ee&#xff0c;\u63d0\u4f9b\u6e05\u6670\u7684\u4ee3\u7801\u5b9e\u73b0\u4e0e\u8be6\u7ec6\u6307\u5bfc&#xff0c;\u5e2e\u52a9\u60a8\u592f\u5b9e\u7b97\u6cd5\u57fa\u7840\u3002 2.\u7cfb\u7edf\u5316\u5b66\u4e60\u8def\u5f84&#xff1a;\u6309\u7167\u7b97\u6cd5\u7c7b\u522b\u548c\u96be\u5ea6\u5206\u7ea7&#xff0c;\u4ece\u57fa\u7840\u5230\u8fdb\u9636&#xff0c;\u5faa\u5e8f\u6e10\u8fdb&#xff0c;\u5e2e\u52a9\u60a8\u5168\u9762\u63d0\u5347\u7f16\u7a0b\u80fd\u529b\u4e0e\u7b97\u6cd5\u601d\u7ef4\u3002<\/p>\n<p>\u9002\u5408\u4eba\u7fa4&#xff1a;<\/p>\n<ul>\n<li>\u51c6\u5907\u53c2\u52a0\u84dd\u6865\u676f\u3001GESP\u3001CSP-J\u3001CSP-S\u7b49\u4fe1\u606f\u5b66\u7ade\u8d5b\u7684\u5b66\u751f<\/li>\n<li>\u5e0c\u671b\u7cfb\u7edf\u5b66\u4e60C&#043;&#043;\/Python\u7f16\u7a0b\u7684\u521d\u5b66\u8005<\/li>\n<li>\u60f3\u8981\u63d0\u5347\u7b97\u6cd5\u4e0e\u7f16\u7a0b\u80fd\u529b\u7684\u7f16\u7a0b\u7231\u597d\u8005<\/li>\n<\/ul>\n<p>\u9644\u4e0a\u6c47\u603b\u8d34&#xff1a;USACO\u5386\u5e74\u9ec4\u91d1\u7ec4\u771f\u9898\u89e3\u6790 | \u6c47\u603b<\/p>\n<hr \/>\n<h2>P2880 Balanced Lineup<\/h2>\n<p>\u3010\u9898\u76ee\u6765\u6e90\u3011<\/p>\n<p>\u6d1b\u8c37&#xff1a;[P2880 USACO07JAN] Balanced Lineup G &#8211; \u6d1b\u8c37<\/p>\n<p>\u3010\u9898\u76ee\u63cf\u8ff0\u3011<\/p>\n<p>\u6bcf\u5929&#xff0c;\u519c\u592b John \u7684 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        n<\/p>\n<p>        \u00a0<\/p>\n<p>        (<\/p>\n<p>        1<\/p>\n<p>        \u2264<\/p>\n<p>        n<\/p>\n<p>        \u2264<\/p>\n<p>        5<\/p>\n<p>        \u00d7<\/p>\n<p>         10<\/p>\n<p>         4<\/p>\n<p>        )<\/p>\n<p>       n\\\\ (1\\\\le n\\\\le 5\\\\times 10^4)<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mspace\">\u00a0<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">1<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2264<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.7719em;vertical-align: -0.136em\"><\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2264<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.7278em;vertical-align: -0.0833em\"><\/span><span class=\"mord\">5<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u00d7<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.0641em;vertical-align: -0.25em\"><\/span><span class=\"mord\">1<\/span><span class=\"mord\"><span class=\"mord\">0<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8141em\"><span class=\"\" style=\"top: -3.063em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">4<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> \u5934\u725b\u603b\u662f\u6309\u540c\u4e00\u5e8f\u5217\u6392\u961f\u3002<\/p>\n<p>\u6709\u4e00\u5929&#xff0c;John \u51b3\u5b9a\u8ba9\u4e00\u4e9b\u725b\u4eec\u73a9\u4e00\u573a\u98de\u76d8\u6bd4\u8d5b\u3002\u4ed6\u51c6\u5907\u627e\u4e00\u7fa4\u5728\u961f\u5217\u4e2d\u4f4d\u7f6e\u8fde\u7eed\u7684\u725b\u6765\u8fdb\u884c\u6bd4\u8d5b\u3002\u4f46\u662f\u4e3a\u4e86\u907f\u514d\u6c34\u5e73\u60ac\u6b8a&#xff0c;\u725b\u7684\u8eab\u9ad8\u4e0d\u5e94\u8be5\u76f8\u5dee\u592a\u5927\u3002John \u51c6\u5907\u4e86 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        q<\/p>\n<p>        \u00a0<\/p>\n<p>        (<\/p>\n<p>        1<\/p>\n<p>        \u2264<\/p>\n<p>        q<\/p>\n<p>        \u2264<\/p>\n<p>        1.8<\/p>\n<p>        \u00d7<\/p>\n<p>         10<\/p>\n<p>         5<\/p>\n<p>        )<\/p>\n<p>       q\\\\ (1\\\\le q\\\\le 1.8\\\\times10^5)<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">q<\/span><span class=\"mspace\">\u00a0<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">1<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2264<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8304em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">q<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2264<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.7278em;vertical-align: -0.0833em\"><\/span><span class=\"mord\">1.8<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u00d7<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.0641em;vertical-align: -0.25em\"><\/span><span class=\"mord\">1<\/span><span class=\"mord\"><span class=\"mord\">0<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8141em\"><span class=\"\" style=\"top: -3.063em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">5<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> \u4e2a\u53ef\u80fd\u7684\u725b\u7684\u9009\u62e9\u548c\u6240\u6709\u725b\u7684\u8eab\u9ad8 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         h<\/p>\n<p>         i<\/p>\n<p>        \u00a0<\/p>\n<p>        (<\/p>\n<p>        1<\/p>\n<p>        \u2264<\/p>\n<p>         h<\/p>\n<p>         i<\/p>\n<p>        \u2264<\/p>\n<p>         10<\/p>\n<p>         6<\/p>\n<p>        ,<\/p>\n<p>        1<\/p>\n<p>        \u2264<\/p>\n<p>        i<\/p>\n<p>        \u2264<\/p>\n<p>        n<\/p>\n<p>        )<\/p>\n<p>       h_i\\\\ (1\\\\le h_i\\\\le 10^6,1\\\\le i\\\\le n)<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/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\">\u00a0<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">1<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2264<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8444em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/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: 0.2778em\"><\/span><span class=\"mrel\">\u2264<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1.0085em;vertical-align: -0.1944em\"><\/span><span class=\"mord\">1<\/span><span class=\"mord\"><span class=\"mord\">0<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.8141em\"><span class=\"\" style=\"top: -3.063em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">6<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">1<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2264<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.7955em;vertical-align: -0.136em\"><\/span><span class=\"mord mathnormal\">i<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2264<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>\u3002\u4ed6\u60f3\u77e5\u9053\u6bcf\u4e00\u7ec4\u91cc\u9762\u6700\u9ad8\u548c\u6700\u4f4e\u7684\u725b\u7684\u8eab\u9ad8\u5dee\u3002<\/p>\n<p>\u3010\u8f93\u5165\u3011<\/p>\n<p>\u7b2c\u4e00\u884c\u4e24\u4e2a\u6570 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        n<\/p>\n<p>        ,<\/p>\n<p>        q<\/p>\n<p>       n,q<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.625em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\">n<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">q<\/span><\/span><\/span><\/span><\/span>\u3002<\/p>\n<p>\u63a5\u4e0b\u6765 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        n<\/p>\n<p>       n<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.4306em\"><\/span><span class=\"mord mathnormal\">n<\/span><\/span><\/span><\/span><\/span> \u884c&#xff0c;\u6bcf\u884c\u4e00\u4e2a\u6570 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>         h<\/p>\n<p>         i<\/p>\n<p>       h_i<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8444em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/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>\u3002<\/p>\n<p>\u518d\u63a5\u4e0b\u6765 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        q<\/p>\n<p>       q<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.625em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">q<\/span><\/span><\/span><\/span><\/span> \u884c&#xff0c;\u6bcf\u884c\u4e24\u4e2a\u6574\u6570 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        a<\/p>\n<p>       a<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.4306em\"><\/span><span class=\"mord mathnormal\">a<\/span><\/span><\/span><\/span><\/span> \u548c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        b<\/p>\n<p>       b<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6944em\"><\/span><span class=\"mord mathnormal\">b<\/span><\/span><\/span><\/span><\/span>&#xff0c;\u8868\u793a\u8be2\u95ee\u7b2c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        a<\/p>\n<p>       a<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.4306em\"><\/span><span class=\"mord mathnormal\">a<\/span><\/span><\/span><\/span><\/span> \u5934\u725b\u5230\u7b2c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        b<\/p>\n<p>       b<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6944em\"><\/span><span class=\"mord mathnormal\">b<\/span><\/span><\/span><\/span><\/span> \u5934\u725b\u91cc\u7684\u6700\u9ad8\u548c\u6700\u4f4e\u7684\u725b\u7684\u8eab\u9ad8\u5dee\u3002<\/p>\n<p>\u3010\u8f93\u51fa\u3011<\/p>\n<p>\u8f93\u51fa\u5171 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"><\/p>\n<p>        q<\/p>\n<p>       q<\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.625em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">q<\/span><\/span><\/span><\/span><\/span> \u884c&#xff0c;\u5bf9\u4e8e\u6bcf\u4e00\u7ec4\u8be2\u95ee&#xff0c;\u8f93\u51fa\u6bcf\u4e00\u7ec4\u4e2d\u6700\u9ad8\u548c\u6700\u4f4e\u7684\u725b\u7684\u8eab\u9ad8\u5dee\u3002<\/p>\n<p>\u3010\u8f93\u5165\u6837\u4f8b\u3011<\/p>\n<p>6 3<br \/>\n1<br \/>\n7<br \/>\n3<br \/>\n4<br \/>\n2<br \/>\n5<br \/>\n1 5<br \/>\n4 6<br \/>\n2 2<\/p>\n<p>\u3010\u8f93\u51fa\u6837\u4f8b\u3011<\/p>\n<p>6<br \/>\n3<br \/>\n0<\/p>\n<p>\u3010\u7b97\u6cd5\u6807\u7b7e\u3011<\/p>\n<p>\u300a\u6d1b\u8c37 P2880 Balanced Lineup\u300b #\u7ebf\u6bb5\u6811# #\u6811\u72b6\u6570\u7ec4# #ST\u8868# #USACO# #2007#<\/p>\n<p>\u3010\u4ee3\u7801\u8be6\u89e3\u3011<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;bits\/stdc&#043;&#043;.h&gt;<\/span><\/span><br \/>\n<span class=\"token keyword\">using<\/span> <span class=\"token keyword\">namespace<\/span> std<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u5e38\u91cf<\/span><br \/>\n<span class=\"token keyword\">const<\/span> <span class=\"token keyword\">int<\/span> N <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">50005<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u6700\u5927\u6570\u636e\u91cf<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5b9a\u4e49\u6570\u7ec4<\/span><br \/>\n<span class=\"token keyword\">int<\/span> a<span class=\"token punctuation\">[<\/span>N<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ ST\u8868&#xff0c;\u7528\u4e8e\u5b58\u50a8\u533a\u95f4\u6700\u5927\u503c&#xff0c;a[i][j]\u8868\u793a\u4ecei\u5f00\u59cb\u957f\u5ea6\u4e3a2^j\u7684\u533a\u95f4\u6700\u5927\u503c<\/span><br \/>\n<span class=\"token keyword\">int<\/span> b<span class=\"token punctuation\">[<\/span>N<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ ST\u8868&#xff0c;\u7528\u4e8e\u5b58\u50a8\u533a\u95f4\u6700\u5c0f\u503c&#xff0c;b[i][j]\u8868\u793a\u4ecei\u5f00\u59cb\u957f\u5ea6\u4e3a2^j\u7684\u533a\u95f4\u6700\u5c0f\u503c<\/span><br \/>\n<span class=\"token keyword\">int<\/span> n<span class=\"token punctuation\">;<\/span>         <span class=\"token comment\">\/\/ \u6570\u636e\u4e2a\u6570<\/span><br \/>\n<span class=\"token keyword\">int<\/span> q<span class=\"token punctuation\">;<\/span>         <span class=\"token comment\">\/\/ \u67e5\u8be2\u6b21\u6570<\/span><br \/>\n<span class=\"token keyword\">int<\/span> maxn<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u4e34\u65f6\u53d8\u91cf&#xff0c;\u5b58\u50a8\u533a\u95f4\u6700\u5927\u503c<\/span><br \/>\n<span class=\"token keyword\">int<\/span> minn<span class=\"token punctuation\">;<\/span>      <span class=\"token comment\">\/\/ \u4e34\u65f6\u53d8\u91cf&#xff0c;\u5b58\u50a8\u533a\u95f4\u6700\u5c0f\u503c<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8bfb\u5165\u6570\u636e\u4e2a\u6570\u548c\u67e5\u8be2\u6b21\u6570<\/span><br \/>\n    cin <span class=\"token operator\">&gt;&gt;<\/span> n <span class=\"token operator\">&gt;&gt;<\/span> q<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u8bfb\u5165\u521d\u59cb\u6570\u636e\u5e76\u521d\u59cb\u5316ST\u8868\u7684\u7b2c\u4e00\u5c42<\/span><br \/>\n    <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\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;&#061;<\/span> n<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        cin <span class=\"token operator\">&gt;&gt;<\/span> a<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u8f93\u5165\u7b2ci\u4e2a\u6570<\/span><br \/>\n        b<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> a<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u540c\u65f6\u8d4b\u503c\u7ed9\u6700\u5c0f\u503c\u8868<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6784\u5efaST\u8868<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> j <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span> j <span class=\"token operator\">&lt;&#061;<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">;<\/span> j<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ j\u8868\u793a\u533a\u95f4\u957f\u5ea6\u4e3a2^j<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <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\">1<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&#043;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;&lt;<\/span> j<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;&#061;<\/span> n<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u786e\u4fdd\u533a\u95f4\u4e0d\u8d8a\u754c<\/span><br \/>\n        <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8ba1\u7b97\u533a\u95f4[i, i&#043;2^j-1]\u7684\u6700\u5927\u503c<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u62c6\u5206\u4e3a\u4e24\u4e2a\u533a\u95f4&#xff1a;[i, i&#043;2^(j-1)-1] \u548c [i&#043;2^(j-1), i&#043;2^j-1]<\/span><br \/>\n            a<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> a<span class=\"token punctuation\">[<\/span>i <span class=\"token operator\">&#043;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>j <span class=\"token operator\">&#8211;<\/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 punctuation\">[<\/span>j <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8ba1\u7b97\u533a\u95f4[i, i&#043;2^j-1]\u7684\u6700\u5c0f\u503c<\/span><br \/>\n            b<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">min<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>j <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">[<\/span>i <span class=\"token operator\">&#043;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;&lt;<\/span> <span class=\"token punctuation\">(<\/span>j<span class=\"token operator\">&#8211;<\/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 punctuation\">[<\/span>j <span class=\"token operator\">&#8211;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><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 comment\">\/\/ \u5904\u7406\u67e5\u8be2<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>q<span class=\"token operator\">&#8212;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> l<span class=\"token punctuation\">,<\/span> r<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u67e5\u8be2\u533a\u95f4[l, r]<\/span><br \/>\n        cin <span class=\"token operator\">&gt;&gt;<\/span> l <span class=\"token operator\">&gt;&gt;<\/span> r<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8ba1\u7b97\u533a\u95f4\u957f\u5ea6\u7684\u5bf9\u6570\u5411\u4e0b\u53d6\u6574<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> k <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">log2<\/span><span class=\"token punctuation\">(<\/span>r <span class=\"token operator\">&#8211;<\/span> l <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u67e5\u8be2\u533a\u95f4\u6700\u5927\u503c<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5c06\u533a\u95f4[l, r]\u62c6\u5206\u4e3a\u4e24\u4e2a\u6709\u91cd\u53e0\u7684\u533a\u95f4&#xff1a;<\/span><br \/>\n        <span class=\"token comment\">\/\/ [l, l&#043;2^k-1] \u548c [r-2^k&#043;1, r]<\/span><br \/>\n        maxn <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">max<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">[<\/span>l<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>k<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> a<span class=\"token punctuation\">[<\/span>r <span class=\"token operator\">&#8211;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;&lt;<\/span> k<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>k<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u67e5\u8be2\u533a\u95f4\u6700\u5c0f\u503c<\/span><br \/>\n        minn <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">min<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">[<\/span>l<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>k<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> b<span class=\"token punctuation\">[<\/span>r <span class=\"token operator\">&#8211;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span> <span class=\"token operator\">&lt;&lt;<\/span> k<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">[<\/span>k<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8f93\u51fa\u533a\u95f4\u6781\u5dee&#xff08;\u6700\u5927\u503c\u51cf\u6700\u5c0f\u503c&#xff09;<\/span><br \/>\n        cout <span class=\"token operator\">&lt;&lt;<\/span> maxn <span class=\"token operator\">&#8211;<\/span> minn <span class=\"token operator\">&lt;&lt;<\/span> endl<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u3010\u8fd0\u884c\u7ed3\u679c\u3011<\/p>\n<p>6 3<br \/>\n1<br \/>\n7<br \/>\n3<br \/>\n4<br \/>\n2<br \/>\n5<br \/>\n1 5<br \/>\n6<br \/>\n4 6<br \/>\n3<br \/>\n2 2<br \/>\n0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u200b\u6b22\u8fce\u5927\u5bb6\u8ba2\u9605\u6211\u7684\u4e13\u680f&#xff1a;\u7b97\u6cd5\u9898\u89e3&#xff1a;C\u4e0ePython\u5b9e\u73b0&#xff01; \u672c\u4e13\u680f\u65e8\u5728\u5e2e\u52a9\u5927\u5bb6\u4ece\u57fa\u7840\u5230\u8fdb\u9636 &#xff0c;\u9010\u6b65\u63d0\u5347\u7f16\u7a0b\u80fd\u529b&#xff0c;\u52a9\u529b\u4fe1\u606f\u5b66\u7ade\u8d5b\u5907\u6218&#xff01;<br \/>\n\u4e13\u680f\u7279\u8272 1.\u7ecf\u5178\u7b97\u6cd5\u7ec3\u4e60&#xff1a;\u6839\u636e\u4fe1\u606f\u5b66\u7ade\u8d5b\u5927\u7eb2&#xff0c;\u7cbe\u5fc3\u6311\u9009\u7ecf\u5178\u7b97\u6cd5\u9898\u76ee&#xff0c;\u63d0\u4f9b\u6e05\u6670\u7684\u4ee3\u7801\u5b9e\u73b0\u4e0e\u8be6\u7ec6\u6307\u5bfc&#xff0c;\u5e2e\u52a9\u60a8\u592f\u5b9e\u7b97\u6cd5\u57fa\u7840\u3002 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