{"id":6,"date":"2019-02-21T21:36:13","date_gmt":"2019-02-21T13:36:13","guid":{"rendered":"https:\/\/blog.kaaass.net\/acm\/?p=6"},"modified":"2019-02-22T16:21:51","modified_gmt":"2019-02-22T08:21:51","slug":"uva-10763-foreign-exchange","status":"publish","type":"post","link":"https:\/\/blog.kaaass.net\/acm\/2019\/02\/uva-10763-foreign-exchange\/","title":{"rendered":"UVA 10763 Foreign Exchange"},"content":{"rendered":"

\u53c8\u72af\u4e86\u777f\u667a\u9519\u8bef\u3002\u539f\u672c\u7684\u601d\u8def\u662f\u5229\u7528pair<int, int>\u6765\u4fdd\u5b58\u4ea4\u6362\uff0c\u7ed3\u679c\u4e00\u76f4WA\u3002\u770b\u8bc4\u8bba\u533a\uff0c\u4f3c\u4e4e\u95f4\u63a5\u7684\u4e5f\u8981\u8003\u8651\u3002\u4e8e\u662f\u6539\u7528\u6570\u7ec4\u6392\u5e8f\u3002\u7136\u540e\u4e24\u6b21\u72af\u4e8c\uff0c\u7b2c\u4e00\u6b21\u662f\u5224\u65adn\u4e0d\u5076\u6570\u4e4b\u540ebreak\u65e9\u4e8e\u7ee7\u7eed\u8bfb\u5165\uff0c\u5bfc\u81f4\u5c11\u8bfb\u4e86\u5f88\u591a\u6570\u636e\uff0c\u4e8e\u662f\u65e0\u9650TLE\u3002\u7b2c\u4e8c\u6b21\u662f\u4e24\u4e2a\u5927\u6570\u7ec4\u5f00\u5728main\u91cc\u4e86\uff0c\u4e8e\u662f\u65e0\u9650WA\u3002\u8fd9\u79cd\u5c0f\u95ee\u9898\u4ee5\u540e\u8981\u6ce8\u610f\u4e86\u3002<\/p>\n

<\/p>\n

#include <cstdio>\r\n#include <algorithm>\r\n\r\nusing namespace std; \r\nint from[500010], to[500010];\r\n\r\nint main() {\r\n    int n, i;\r\n    while (scanf("%d", &n) && n) {\r\n        for (i = 0; i < n; i++)\r\n            scanf("%d%d", from+i, to+i);\r\n        if (n % 2 != 0) {\r\n            printf("NO\\n");\r\n            continue;\r\n        }\r\n        sort(from, from + n);\r\n        sort(to, to + n);\r\n        for (i = 0; i < n; i++) {\r\n            if (from[i] != to[i]) break;\r\n        }\r\n        printf(i == n? "YES\\n": "NO\\n");\r\n    }\r\n    return 0;\r\n}\r\n<\/pre>\n
 <\/p>","protected":false},"excerpt":{"rendered":"
\u53c8\u72af\u4e86\u777f\u667a\u9519\u8bef\u3002\u539f\u672c\u7684\u601d\u8def\u662f\u5229\u7528pair<int, int>\u6765\u4fdd\u5b58\u4ea4\u6362\uff0c\u7ed3\u679c\u4e00\u76f4WA\u3002\u770b\u8bc4\u8bba\u533a\uff0c\u4f3c … <\/p>\n
\u7ee7\u7eed\u9605\u8bfb\u201cUVA 10763 Foreign Exchange\u201d<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":7,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-6","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3","entry"],"_links":{"self":[{"href":"https:\/\/blog.kaaass.net\/acm\/wp-json\/wp\/v2\/posts\/6","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.kaaass.net\/acm\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.kaaass.net\/acm\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.kaaass.net\/acm\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.kaaass.net\/acm\/wp-json\/wp\/v2\/comments?post=6"}],"version-history":[{"count":0,"href":"https:\/\/blog.kaaass.net\/acm\/wp-json\/wp\/v2\/posts\/6\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.kaaass.net\/acm\/wp-json\/wp\/v2\/media\/7"}],"wp:attachment":[{"href":"https:\/\/blog.kaaass.net\/acm\/wp-json\/wp\/v2\/media?parent=6"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kaaass.net\/acm\/wp-json\/wp\/v2\/categories?post=6"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kaaass.net\/acm\/wp-json\/wp\/v2\/tags?post=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}