{"id":323,"date":"2010-07-26T23:03:00","date_gmt":"2010-07-26T15:03:00","guid":{"rendered":"http:\/\/localhost\/?p=323"},"modified":"2010-07-26T23:03:00","modified_gmt":"2010-07-26T15:03:00","slug":"codeforces24","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/wjmzbmr\/?p=323","title":{"rendered":"CodeForces#24"},"content":{"rendered":"

\u989d\u3002\u3002\u6211\u53d1\u73b0CodeForces\u6bd4TopCoder\u66f4\u63a5\u8fd1OI\u3002\u3002\u611f\u5230\u5f88\u6709\u610f\u601d\u3002\u3002\u4ee5\u540e\u8981\u591a\u5173\u6ce8\u8fd9\u4e2a\u5730\u65b9\u4e86\u3002\u3002<\/p>\n

Problem A\uff1a
\u6c34\u9898\u3002\u3002\u6211\u5199\u4e86\u4e2aDfs\u7206\u641c\u975e\u5e38\u7684\u7e41\u7410\u3002\u3002\u5e78\u597d1A\u4e86\u3002\u3002
Problem B\uff1a
\u6a21\u62df\u9898\u8fd9\u9898\u6298\u78e8\u4e86\u6211\u5f88\u4e45\u3002\u3002\u6211\u5927\u91cf\u4f7f\u7528\u4e86map\u548cvector\uff0c\u4e0d\u77e5\u9053\u54ea\u4e2a\u5730\u65b9\u51fa\u9519\u4e86\u3002\u3002\u6539\u4e86\u534a\u5929\u6700\u540e\u505a\u5b8cC\u4e4b\u540e\u624dA\u6389\u8fd9\u4e2a\u3002\u3002
Problem C:
\u8fd9\u9898\u6bd4B\u597d\u505a\u591a\u4e86\u3002\u3002\u76f4\u63a5\u5faa\u73af\u5230\u4e00\u5b9a\u7a0b\u5ea6\u5c31\u53ef\u4ee5\u76f4\u63a5\u8ba1\u7b97\u4e86\u3002\u3002
Problem E\uff1a
\u4e00\u5f00\u59cb\u6211\u5728\u90a3\u8fb9\u5199E\u56e0\u4e3a\u6211\u611f\u89c9\u8fd9\u4e2a\u5c31\u662f\u4e00\u4e2a\u6700\u5927\u659c\u7387\u554a\u3002\u3002\u53ef\u60dc\u5bf9\u8fd9\u65b9\u9762\u4e0d\u719f\u6089\u54ce\u56e7\u3002\u3002\u4e0d\u662f\u5f88\u4f1a\u641e\u3002\u3002\u4ee5\u540e\u8981\u8865\u4e00\u4e0b\u4e86\u56e7\u3002\u3002\u3002\u6c42(x-x’)\/(v-v’)\u7684\u6700\u5c0f\u503c\uff0c\u5c31\u662f\u5012\u6570\u7684\u6700\u5927\u503c\u3002\u3002\u3002\u3002\u7136\u540e\u5e94\u8be5\u53ef\u4ee5\u505a\u3002\u3002\u4f46\u662f\u6211\u6c34\u5e73\u592a\u70c2\u5199\u4e0d\u51fa\u6765\u56e7\u3002\u3002
Problem D\uff1a
\u8fd9\u9898\u6700\u795e\u5947\u4e86\uff01\uff01\uff01\u6211\u5b8c\u5168\u4e0d\u80fd\u76f8\u4fe1\u6211\u5c45\u7136\u8fc7\u4e86\uff01\uff01 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u989d\u3002\u3002\u6211\u53d1\u73b0CodeForces\u6bd4TopCoder\u66f4\u63a5\u8fd1OI\u3002\u3002\u611f\u5230\u5f88\u6709\u610f\u601d\u3002\u3002\u4ee5\u540e\u8981\u591a\u5173\u6ce8\u8fd9\u4e2a\u5730\u65b9\u4e86\u3002\u3002 Problem A\uff1a \u6c34\u9898\u3002\u3002\u6211\u5199\u4e86\u4e2aDfs\u7206\u641c\u975e\u5e38\u7684\u7e41\u7410\u3002\u3002\u5e78\u597d1A\u4e86\u3002\u3002Problem B\uff1a\u6a21\u62df\u9898\u8fd9\u9898\u6298\u78e8\u4e86\u6211\u5f88\u4e45\u3002\u3002\u6211\u5927\u91cf\u4f7f\u7528\u4e86map\u548cvector\uff0c\u4e0d\u77e5\u9053\u54ea\u4e2a\u5730\u65b9\u51fa\u9519\u4e86\u3002\u3002\u6539\u4e86\u534a\u5929\u6700\u540e\u505a\u5b8cC\u4e4b\u540e\u624dA\u6389\u8fd9\u4e2a\u3002\u3002Problem C:\u8fd9\u9898\u6bd4B\u597d\u505a\u591a\u4e86\u3002\u3002\u76f4\u63a5\u5faa\u73af\u5230\u4e00\u5b9a\u7a0b\u5ea6\u5c31\u53ef\u4ee5\u76f4\u63a5\u8ba1\u7b97\u4e86\u3002\u3002Problem E\uff1a\u4e00\u5f00\u59cb\u6211\u5728\u90a3\u8fb9\u5199E\u56e0\u4e3a\u6211\u611f\u89c9\u8fd9\u4e2a\u5c31\u662f\u4e00\u4e2a\u6700\u5927\u659c\u7387\u554a\u3002\u3002\u53ef\u60dc\u5bf9\u8fd9\u65b9\u9762\u4e0d\u719f\u6089\u54ce\u56e7\u3002\u3002\u4e0d\u662f\u5f88\u4f1a\u641e\u3002\u3002\u4ee5\u540e\u8981\u8865\u4e00\u4e0b\u4e86\u56e7\u3002\u3002\u3002\u6c42(x-x’)\/(v-v’)\u7684\u6700\u5c0f\u503c\uff0c\u5c31\u662f\u5012\u6570\u7684\u6700\u5927\u503c\u3002\u3002\u3002\u3002\u7136\u540e\u5e94\u8be5\u53ef\u4ee5\u505a\u3002\u3002\u4f46\u662f\u6211\u6c34\u5e73\u592a\u70c2\u5199\u4e0d\u51fa\u6765\u56e7\u3002\u3002Problem D\uff1a\u8fd9\u9898\u6700\u795e\u5947\u4e86\uff01\uff01\uff01\u6211\u5b8c\u5168\u4e0d\u80fd\u76f8\u4fe1\u6211\u5c45\u7136\u8fc7\u4e86\uff01\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[10],"tags":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/323"}],"collection":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=323"}],"version-history":[{"count":0,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/323\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=323"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=323"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=323"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}