{"id":2200,"date":"2021-03-31T14:37:35","date_gmt":"2021-03-31T06:37:35","guid":{"rendered":"https:\/\/sforest.in\/?p=2200"},"modified":"2021-03-31T14:37:35","modified_gmt":"2021-03-31T06:37:35","slug":"flow-network-problems","status":"publish","type":"post","link":"https:\/\/sforest.in\/ja\/flow-network-problems\/","title":{"rendered":"\u6211\u4eec\u4e00\u8d77\u7f51\u7edc\u6d41\uff0c\u4e00\u8d77\u6d41\u6d41\u6d41\u6d41\u6d41"},"content":{"rendered":"

\u5176\u5b9e\u662f\u6628\u5929\u4e0a\u6e38\u620f\u5f15\u64ce\u7684\u8bfe\u7684\u65f6\u5019\u65c1\u8fb9\u7684\u540c\u5b66\u7ed9\u6211\u770b\u4e86\u8fd9\u4e2a\u56fe\u2026\u2026<\/p>\n\n\n\n

\"\"
\u662f\u771f\u7684.jpg<\/figcaption><\/figure>\n\n\n\n

\u6240\u4ee5\u8bf4\u554a\uff0c\u4e0a\u8bfe\u7684\u65f6\u5019\u4e0d\u8981\u641e\u8fd9\u4e9b\u6709\u7684\u6ca1\u7684\uff0c\u9664\u975e\u5bf9\u6251\u514b\u8138\u5f88\u6709\u81ea\u4fe1\u3002<\/p>\n\n\n\n

\u6e05\u660e\u5728\u5373\uff0c\u9664\u4e86\u63d0\u524d\u6316\u4e2a\u6d1e\u51c6\u5907\u628a\u81ea\u5df1\u57cb\u8d77\u6765\u4e4b\u5916\uff0c\u8fd8\u662f\u8981\u51c6\u5907\u4e00\u4e0bICPC\u6606\u660e\u7ad9\u2026\u2026\u53ef\u662f\u6211\u4eec\u961f\u91cc\u6709\u5927\u817f\u4e86\uff0c\u5237\u70b9\u7f51\u7edc\u6d41\u9898\u9a8c\u4e00\u9a8c\u677f\u5b50\u60f3\u5fc5\u4e5f\u662f\u4e0d\u9519\u7684\u3002<\/p>\n\n\n\n

\u5927\u5bb6\u6700\u559c\u6b22\u7684\u7f51\u7edc\u6d4124\u9898<\/a>\uff0c\u5230\u5e95\u80fd\u4e0d\u80fd\u5237\u5b8c\u5462\u2014\u2014<\/p>\n\n\n\n\n\n\n\n

P6000 – \u642d\u914d\u98de\u884c\u5458<\/a><\/h2>\n\n\n\n

\u8fd9\u662f\u4e00\u9053\u7ecf\u5178\u7684\u4e8c\u5206\u56fe\u5339\u914d\u3002<\/p>\n\n\n\n

\u9664\u4e86\u4f7f\u7528\u5308\u7259\u5229\u7b97\u6cd5\u4e4b\u5916\uff0c\u6700\u5927\u6d41\u4e5f\u662f\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u3002<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\u5308\u7259\u5229\u7b97\u6cd5\u7684\u6574\u4f53\u590d\u6742\u5ea6\u662f [latex]O(VE)[\/latex] \uff0c\u5b9e\u9645\u4e0a\u4f1a\u66f4\u5c0f\u4e00\u70b9\u3002<\/p>\n\n\n\n

\u6700\u5927\u6d41\uff08Dinic\uff09\u7684\u8bdd\u53ef\u4ee5\u628a\u5b83\u964d\u5230 [latex]O(V \\sqrt E)[\/latex]\u3002\u5f53\u7136\u5199\u8fd8\u662f\u524d\u8005\u66f4\u597d\u5199\u5566\u3002<\/p>\n\n\n\n

P6001 – \u592a\u7a7a\u98de\u884c\u8ba1\u5212<\/a><\/h2>\n\n\n\n

\u8fd9\u9898\u662f\u4e00\u4e2a\u6700\u5927\u6743\u95ed\u5408\u5b50\u56fe\uff0c\u4e4b\u524d\u5927\u6982\u4e5f\u5199\u8fc7\u4e09\u6b21\uff08\u4f46\u4e0d\u662f\u4e09\u9898\uff09\u3002<\/p>\n\n\n\n

\u4ec0\u4e48\u662f\u95ed\u5408\u5b50\u56fe\u5462\uff1f\u548c\u4e00\u4e2a\u70b9\u76f8\u8fde\u7684\u6240\u6709\u70b9\u4e5f\u8981\u5728\u8fd9\u4e2a\u5b50\u56fe\u91cc\uff0c\u662f\u8c13\u95ed\u5408\u5b50\u56fe\u3002\u6700\u5927\u6743\u81ea\u7136\u5c31\u662f\u70b9\u5168\u4e4b\u548c\u6700\u5927\u3002<\/p>\n\n\n\n

\u89e3\u6cd5\u662f\u5bf9\u4e8e\u6b63\u70b9\u6743\u70b9\uff0c\u8fdeS\u5230\u5b83\u7684\u8fb9\uff1b\u5bf9\u4e8e\u8d1f\u70b9\u6743\u70b9\uff0c\u8fde\u5b83\u5230T\u7684\u8fb9\u3002\u6d41\u91cf\u53d6\u70b9\u6743\u7684\u7edd\u5bf9\u503c\u3002<\/p>\n\n\n\n

\u5bf9\u4e8e\u539f\u56fe\u7684\u6240\u6709\u8fb9\uff0c\u540c\u6837\u8fde\u8fb9\uff0c\u6d41\u91cf\u53d6\u6b63\u65e0\u7a77\u3002<\/p>\n\n\n\n

\u6700\u5927\u6743\u503c\u548c = \u6240\u6709\u6b63\u70b9\u6743\u4e4b\u548c – \u6700\u5c0f\u5272\uff0c\u8bc1\u660e\u7565\u3002<\/p>\n\n\n\n

\u7f51\u7edc\u6d41\u7684\u5272\uff0c\u5c31\u662f\u628a\u56fe\u5207\u6210\u4e24\u4e2a\u5b50\u56fe\u4f7f\u5176\u4e0d\u518d\u8fde\u901a\u3002\u6700\u5c0f\u5272\u5c31\u662f\u5207\u6389\u7684\u8fb9\u7684\u6743\u503c\u548c\u6700\u5c0f\u7684\u5272\u3002<\/p>\n\n\n\n

\u6c42\u6700\u5c0f\u5272\u5c31\u662f\u8dd1\u6700\u5927\u6d41\u3002<\/p>\n\n\n\n

\u5982\u679c\u53ea\u662f\u8fd9\u6837\u7684\u8bdd\uff0c\u5957\u677f\u5b50\u4e5f\u5c31\u8fc7\u4e86\uff0c\u4f46\u662f\u5b83\u8981\u6c42\u8f93\u51fa\u65b9\u6848\u3002<\/p>\n\n\n\n

\u90a3\u4e48\u6211\u4eec\u53ef\u4ee5\u8dd1\u5b8c\u6700\u5927\u6d41\u4e4b\u540e\u4eceS\u5f00\u59cbDFS\uff0c\u7ed9\u76f8\u8fde\u7684\u70b9\u6253\u4e0a\u6807\u8bb0\u3002\u6240\u6709\u548cS\u76f8\u8fde\u7684\u70b9\uff0c\u518d\u52a0\u4e0a\u6240\u6709\u548cT\u4e0d\u76f8\u8fde\u7684\u70b9\uff0c\u5c31\u662f\u6240\u53d6\u7684\u70b9\u3002\u8bc1\u660e\u7565\u3002<\/p>\n\n\n\n

\uff08\u672c\u83dc\u9e21\u5199\u8bc1\u660e\u7565\u4e0d\u662f\u56e0\u4e3a\u61d2\u5f97\u5199\u800c\u662f\u771f\u7684\u4e0d\u4f1a\uff09<\/s><\/p>\n\n\n\n

P6002 \u6700\u5c0f\u8def\u5f84\u8986\u76d6<\/a><\/h2>\n\n\n\n

\u8def\u5f84\u2026\u2026\u5c31\u662f\u90a3\u4e48\u4e2a\u8def\u5f84\uff1b\u8986\u76d6\u2026\u2026\u5c31\u662f\u82e5\u5e72\u6761\u8def\u5f84\u52a0\u8d77\u6765\u80fd\u8986\u76d6\u8fd9\u4e2a\u56fe\u3002\u6700\u5c0f\u5c31\u662f\u8981\u8ba9\u8def\u5f84\u6761\u6570\u6700\u5c11\uff0c\u5e76\u4e14\u672c\u9898\u4e2d\u4e0d\u5141\u8bb8\u9876\u70b9\u76f8\u4ea4\u3002<\/p>\n\n\n\n

\u8003\u8651\u6700\u5f00\u59cb\u6bcf\u4e2a\u70b9\u81ea\u5df1\u5355\u72ec\u4e00\u6761\u8def\u5f84\uff0c\u90a3\u4e48\u6211\u4eec\u8981\u505a\u7684\u5c31\u662f\u628a\u4e0d\u540c\u7684\u8def\u5f84\u8fde\u8d77\u6765\u3002\u6bcf\u4e2a\u70b9\u62c6\u6210\u4e24\u4e2a\u70b9\u4e4b\u540e\uff08\u8fd9\u4e24\u4e2a\u70b9\u4e0d\u8fde\u8fb9\uff09\u7167\u539f\u56fe\u5efa\u56fe\uff0c\u8dd1\u4e8c\u5206\u56fe\u6700\u5927\u5339\u914d\uff1a\u6bcf\u5339\u914d\u5230\u4e00\u6761\u8fb9\uff0c\u8def\u5f84\u603b\u6570\u5c31\u51cf\u5c111\u3002<\/p>\n\n\n\n

\"\"
1-2\u2018\u548c2-3\u2019\u88ab\u8fde\u8d77\u6765\u4e86\uff0c\u6240\u4ee5\u662f1-2-3\u548c4<\/figcaption><\/figure>\n\n\n\n

\u8dd1\u5b8c\u6700\u5927\u6d41\u4e4b\u540e\u56de\u53bb\u770b\u770b\u54ea\u4e9b\u6b63\u5411\u8fb9\u7684flow\u662f0\uff0c\u8fd9\u4e9b\u5c31\u662f\u6211\u4eec\u7684\u6700\u7ec8\u65b9\u6848\u4e2d\u5305\u542b\u7684\u8fb9\u3002<\/p>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

\u5176\u5b9e\u662f\u6628\u5929\u4e0a\u6e38\u620f\u5f15\u64ce\u7684\u8bfe\u7684\u65f6\u5019\u65c1\u8fb9\u7684\u540c\u5b66\u7ed9\u6211\u770b\u4e86\u8fd9\u4e2a\u56fe\u2026\u2026 \u6240\u4ee5\u8bf4\u554a\uff0c\u4e0a\u8bfe\u7684\u65f6\u5019\u4e0d\u8981\u641e\u8fd9\u4e9b\u6709\u7684\u6ca1\u7684\uff0c\u9664\u975e\u5bf9\u6251\u514b\u8138\u5f88\u6709\u81ea\u4fe1\u3002 \u6e05\u660e\u5728\u5373\uff0c\u9664\u4e86\u63d0\u524d\u6316\u4e2a\u6d1e\u51c6\u5907\u628a\u81ea\u5df1\u57cb\u8d77\u6765\u4e4b\u5916\uff0c\u8fd8\u662f\u8981\u51c6\u5907\u4e00\u4e0bICPC\u6606\u660e\u7ad9\u2026\u2026\u53ef\u662f\u6211\u4eec\u961f\u91cc\u6709\u5927\u817f … <\/p>\n

“\u6211\u4eec\u4e00\u8d77\u7f51\u7edc\u6d41\uff0c\u4e00\u8d77\u6d41\u6d41\u6d41\u6d41\u6d41” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[208,211],"class_list":["post-2200","post","type-post","status-publish","format-standard","hentry","category-coding","tag-208","tag-211"],"_links":{"self":[{"href":"https:\/\/sforest.in\/ja\/wp-json\/wp\/v2\/posts\/2200","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sforest.in\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sforest.in\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sforest.in\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sforest.in\/ja\/wp-json\/wp\/v2\/comments?post=2200"}],"version-history":[{"count":0,"href":"https:\/\/sforest.in\/ja\/wp-json\/wp\/v2\/posts\/2200\/revisions"}],"wp:attachment":[{"href":"https:\/\/sforest.in\/ja\/wp-json\/wp\/v2\/media?parent=2200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sforest.in\/ja\/wp-json\/wp\/v2\/categories?post=2200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sforest.in\/ja\/wp-json\/wp\/v2\/tags?post=2200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}