{"id":388,"date":"2010-10-03T21:43:00","date_gmt":"2010-10-03T13:43:00","guid":{"rendered":"http:\/\/localhost\/?p=388"},"modified":"2010-10-03T21:43:00","modified_gmt":"2010-10-03T13:43:00","slug":"ctsc2008_totem_totem","status":"publish","type":"post","link":"https:\/\/www.shuizilong.com\/wjmzbmr\/?p=388","title":{"rendered":"[CTSC2008]\u56fe\u817etotem"},"content":{"rendered":"\n

[CTSC2008]\u56fe\u817etotem<\/p>\n

Time Limit:30000MS  Memory Limit:165536K
Total Submit:31 Accepted:9
Case Time Limit:4000MS<\/p>\n

Description <\/strong><\/p>\n

\u5728\u5b8c\u6210\u4e86\u53e4\u8d8a\u5dde\u5706\u76d8\u5bc6\u7801\u7684\u7814\u7a76\u4e4b\u540e\uff0c\u8003\u53e4\u5b66\u5bb6\u5c0f\u5e03\u6765\u5230\u4e86\u5357\u7f8e\u5927\u9646\u7684\u897f\u90e8\u3002\u76f8\u4f20\u5f88\u4e45\u4ee5\u524d\u5728\u8fd9\u7247\u571f\u5730\u4e0a\u751f\u6d3b\u7740\u4e24\u4e2a\u90e8\u843d\uff0c\u4e00\u4e2a\u90e8\u843d\u5d07\u62dc\u95ea\u7535\uff0c\u53e6\u4e00\u4e2a\u90e8\u843d\u5d07\u62dc\u9ad8 \u5c71\uff0c\u4ed6\u4eec\u5206\u522b\u7528\u95ea\u7535\u548c\u5c71\u5cf0\u7684\u5f62\u72b6\u4f5c\u4e3a\u5404\u81ea\u90e8\u843d\u7684\u56fe\u817e\u3002
\u5c0f\u5e03\u7684\u56e2\u961f\u5728\u5c71\u6d1e\u91cc\u53d1\u73b0\u4e86\u4e00\u5e45\u5de8\u5927\u7684\u58c1\u753b\uff0c\u58c1\u753b\u4e0a\u88ab\u6807\u8bb0\u51fa\u4e86N\u4e2a\u70b9\uff0c\u7ecf\u6d4b\u91cf\u53d1\u73b0\u8fd9N\u4e2a\u70b9\u7684\u6c34\u5e73\u4f4d\u7f6e\u548c\u7ad6\u76f4\u4f4d\u7f6e\u662f\u4e24\u4e24\u4e0d\u540c\u7684\u3002\u5c0f\u5e03\u8ba4\u4e3a\u8fd9\u5e45\u58c1\u753b\u6240\u5305 \u542b\u7684\u4fe1\u606f\u4ec5\u4e0e\u8fd9N\u4e2a\u70b9\u7684\u76f8\u5bf9\u4f4d\u7f6e\u6709\u5173\uff0c\u56e0\u6b64\u4e0d\u59a8\u8bbe\u5750\u6807\u5206\u522b\u4e3a(1, y1) , (2, y2), …, (n, yn)\uff0c\u5176\u4e2dy1~yn\u662f1~N\u7684\u4e00\u4e2a\u6392\u5217\u3002
\u5c0f\u5e03\u7684\u56e2\u961f\u6253\u7b97\u7814\u7a76\u5728\u8fd9\u5e45\u58c1\u753b\u4e2d\u5305\u542b\u7740\u591a\u5c11\u4e2a\u56fe\u817e\uff0c\u5176\u4e2d\u95ea\u7535\u56fe\u817e\u7684\u5b9a\u4e49\u56fe\u793a\u5982\u4e0b\uff08\u56fe\u817e\u7684\u5f62\u5f0f\u53ea\u4e0e4\u4e2a\u7eb5\u5750\u6807\u503c\u7684\u76f8\u5bf9\u5927\u5c0f\u6392\u5217\u987a\u5e8f\u6709\u5173\uff09\uff1a
<\/p>\n

\u5d07\u62dc\u9ad8\u5c71\u7684\u90e8\u843d\u6709\u4e24\u4e2a\u6c0f\u65cf\uff0c\u56e0\u800c\u5c71\u5cf0\u56fe\u817e\u6709\u5982\u4e0b\u4e24\u79cd\u5f62\u5f0f\uff0c\u5de6\u8fb9\u4e3aA\u7c7b\uff0c\u53f3\u8fb9\u4e3aB\u7c7b\uff08\u540c\u6837\uff0c\u56fe\u817e\u7684\u5f62\u5f0f\u4e5f\u90fd\u53ea\u4e0e4\u4e2a\u7eb5\u5750\u6807\u503c\u7684\u5927\u5c0f\u6392\u5217\u987a\u5e8f\u6709\u5173\uff09\uff1a <\/p>\n

<\/p>\n

\u5c0f\u5e03\u7684\u56e2\u961f\u5e0c\u671b\u77e5\u9053\uff0c\u8fd9N\u4e2a\u70b9\u4e2d\u4e24\u4e2a\u90e8\u843d\u56fe\u817e\u6570\u76ee\u7684\u5dee\u503c\u3002\u56e0\u6b64\u5728\u672c\u9898\u4e2d\uff0c\u4f60\u9700\u8981\u5e2e\u52a9\u5c0f\u5e03\u7684\u56e2\u961f\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u8ba1\u7b97\u95ea\u7535\u56fe\u817e\u6570\u76ee\u51cf\u53bb\u5c71\u5cf0\u56fe\u817e\u6570\u76ee\u7684 \u503c\uff0c\u7531\u4e8e\u8be5\u503c\u53ef\u80fd\u7edd\u5bf9\u503c\u8f83\u5927\uff0c\u672c\u9898\u4e2d\u53ea\u9700\u8f93\u51fa\u8be5\u503c\u5bf916777216\u7684\u4f59\u6570\uff08\u6ce8\u610f\u4f59\u6570\u5fc5\u4e3a\u6b63\u503c\uff0c\u4f8b\u5982-1\u5bf916777216\u7684\u4f59\u6570\u4e3a16777215\uff09\u3002 <\/p>\n

Input <\/strong><\/p>\n

\u7b2c\u4e00\u884c\u5305\u542b\u4e00\u4e2a\u6574\u6570N\uff0c\u4e3a\u70b9\u7684\u6570\u76ee\u3002
\u63a5\u4e0b\u6765\u4e00\u884c\u5305\u542bN\u4e2a\u6574\u6570\uff0c\u5206\u522b\u4e3ay1, y2, \u2026, yn\u3002\u4fdd\u8bc1y1, y2, \u2026, yn\u662f1~N\u7684\u4e00\u4e2a\u6392\u5217\u3002 <\/p>\n

Output <\/strong><\/p>\n

\u4ec5\u5305\u542b\u4e00\u4e2a\u6570\uff0c\u8868\u793a\u95ea\u7535\u56fe\u817e\u6570\u76ee\u4e0e\u5c71\u5cf0\u56fe\u817e\u6570\u76ee\u7684\u5dee\u503c\u5bf916777216\u7684\u4f59\u6570\u3002 <\/p>\n

Sample Input <\/strong><\/p>\n

\u3010\u6837\u4f8b\u8f93\u5165\u4e00\u3011
5
1 5 3 2 4
\u3010\u6837\u4f8b\u8f93\u5165\u4e8c\u3011
4
1 2 4 3<\/p>\n

Sample Output <\/strong><\/p>\n

\u3010\u6837\u4f8b\u8f93\u51fa\u4e00\u3011
0<\/p>\n

\u3010\u6837\u4f8b\u8f93\u51fa\u4e8c\u3011
16777215<\/p>\n

Hint <\/strong><\/p>\n

\u6837\u4f8b\u4e00\u4e2d\u5171\u67091\u4e2a\u95ea\u7535\u56fe\u817e\uff081324\uff09\u548c1\u4e2aB\u7c7b\u5c71\u5cf0\u56fe\u817e\uff081532\uff09\u3002
\u6837\u4f8b\u4e8c\u4e2d\u4ec5\u6709\u4e00\u4e2aA\u7c7b\u5c71\u5cf0\u56fe\u817e\uff081243\uff09\uff0c\u6545\u5dee\u503c\u4e3a-1\uff0c\u7b54\u6848\u4e3a16777215\u3002
\u3010\u6570\u636e\u89c4\u6a21\u3011
\u5bf9\u4e8e10%\u7684\u6570\u636e\uff0cN \u2264 600\uff1b
\u5bf9\u4e8e40%\u7684\u6570\u636e\uff0cN \u2264 5000\uff1b
\u5bf9\u4e8e100%\u7684\u6570\u636e\uff0cN \u2264 200000\u3002 <\/p>\n

Source <\/strong><\/p>\n

\u54c7\u5494\u5494\u3002\u3002\u5c45\u7136\u8ba9\u6211A\u6389\u4e86\u8fd9\u9898\u3002\u3002\u3002
\u5148\u8c22\u56fd\u5bb6\u3002\u3002
\u518d\u8c22gyz\u795e\u725b\u548cnzk\u795e\u725b\u3002\u3002\u3002
\u8bbef(xxxx)\u8868\u793a\u6392\u5e8fxxx\u51fa\u73b0\u7684\u6570\u91cf\u3002\u3002
\u90a3\u4e48\u6211\u4eec\u8981\u6c42\u7684\u662ff(1324)-f(1243)-f(1432)
\u6ce8\u610f\u5230f(1243)=f(12xx)-f(1234)\u3002\u3002\u8fd9\u4e24\u4e2a\u90fd\u5f88\u597d\u6c42\u3002\u3002\u6240\u4ee51243\u89e3\u51b3\u4e86\u3002\u3002
\u4f46\u5176\u4ed6\u4e24\u4e2a\u51e0\u4e4e\u4e0d\u53ef\u505a\u554a\u3002\u3002\u9898\u76ee\u65e2\u7136\u8ba9\u6211\u4eec\u76f8\u51cf\uff0c\u8fd9\u4e24\u4e2a\u5f0f\u5b50\u5fc5\u7136\u662f\u6709\u6240\u5173\u8054\u7684\u3002\u3002
f(1324)-f(1432)
\u6211\u4eec\u5c1d\u8bd5\u7740\u5728\u4e24\u8fb9\u90fd+\u4e0a\u4e00\u4e2af\u3002\u3002
(f(1324)+f(1423))-(f(1432)+f(1423))
=
f(1x2x)-f(14xx)
\u8fd9\u4e24\u4e2a\u90fd\u662f\u7ebf\u6bb5\u6811\u53ef\u505a\u7684\u3002\u3002\u6240\u4ee5\u95ee\u9898\u5c31\u89e3\u51b3\u4e86\u3002\u3002\u3002
1x2x\u7684\u505a\u6cd5\u662f\u628a\u6240\u6709\u6570\u5b57\u4ece\u5c0f\u5230\u5927\u52a0\u5165\u5e8f\u5217\u3002\u3002
\u5f53\u52a0\u5165\u6570\u5b57x\u7684\u65f6\u5019\uff0c\u6ca1\u6709\u52a0\u5165\u7684\u5c31\u662f\u7a7a\u767d\uff0c\u5b83\u4e00\u5b9a\u6bd4x\u5927
\u5bf9\u6bcf\u4e2a\u6570\u5b57\u7ef4\u62a4\u5b83\u540e\u9762\u7684\u7a7a\u767d\u6570\u91cf\u3002
\u7136\u540e\u7ef4\u62a4\u5b50\u6bb5\u548c\u3002\u3002
\u8003\u8651\u5f53\u524d\u52a0\u5165\u7684\u6570\u5b57\u4e3a2\u5c31\u5dee\u4e0d\u591a\u4e86\u3002\u3002<\/p>\n

14xx\u7684\u505a\u6cd5\u6765\u81eanzk
\u5427\u6240\u6709\u6570\u5b57\u4ece\u5de6\u5230\u53f3\u52a0\u5165\u6309\u5927\u5c0f\u7ec4\u6210\u7684\u5e8f\u5217\u3002\u3002\u3002
\u90a3\u4e48\u8003\u8651\u5f53\u524d\u7684\u6570\u5b57\u4e3a4.\u3002\u90a3\u4e48xx\u5fc5\u7136\u662f\u5b83\u548c1\u4e4b\u95f4\u7684\u7a7a\u767d\u3002\u3002
\u90a3\u4e48\u7ef4\u62a4\u6bcf\u4e2a\u6570\u5b57\u540e\u9762\u7684\u7a7a\u767d\u6570\u91cf\uff0c\u7684\u7a7a\u767d\u7684\u6570\u91cf\u7684\u5e73\u65b9
\u5e76\u5bf9\u8fd9\u4e24\u4e2a\u8fdb\u884c\u5b50\u6bb5\u548c\u7684\u7ef4\u62a4\u3002\u3002\u3002\u3002
\u5c31\u5dee\u4e0d\u591a\u4e86\u56e7\u3002\u3002\u3002
\u4ee3\u7801\u89c1\u7f51\u76d8\u3002\u3002 <\/p>\n","protected":false},"excerpt":{"rendered":"

[CTSC2008]\u56fe\u817etotem Time Limit:30000MS  Memory Limit:165536KTotal Submit:31 Accepted:9 Case Time Limit:4000MS Description \u5728\u5b8c\u6210\u4e86\u53e4\u8d8a\u5dde\u5706\u76d8\u5bc6\u7801\u7684\u7814\u7a76\u4e4b\u540e\uff0c\u8003\u53e4\u5b66\u5bb6\u5c0f\u5e03\u6765\u5230\u4e86\u5357\u7f8e\u5927\u9646\u7684\u897f\u90e8\u3002\u76f8\u4f20\u5f88\u4e45\u4ee5\u524d\u5728\u8fd9\u7247\u571f\u5730\u4e0a\u751f\u6d3b\u7740\u4e24\u4e2a\u90e8\u843d\uff0c\u4e00\u4e2a\u90e8\u843d\u5d07\u62dc\u95ea\u7535\uff0c\u53e6\u4e00\u4e2a\u90e8\u843d\u5d07\u62dc\u9ad8 \u5c71\uff0c\u4ed6\u4eec\u5206\u522b\u7528\u95ea\u7535\u548c\u5c71\u5cf0\u7684\u5f62\u72b6\u4f5c\u4e3a\u5404\u81ea\u90e8\u843d\u7684\u56fe\u817e\u3002 \u5c0f\u5e03\u7684\u56e2\u961f\u5728\u5c71\u6d1e\u91cc\u53d1\u73b0\u4e86\u4e00\u5e45\u5de8\u5927\u7684\u58c1\u753b\uff0c\u58c1\u753b\u4e0a\u88ab\u6807\u8bb0\u51fa\u4e86N\u4e2a\u70b9\uff0c\u7ecf\u6d4b\u91cf\u53d1\u73b0\u8fd9N\u4e2a\u70b9\u7684\u6c34\u5e73\u4f4d\u7f6e\u548c\u7ad6\u76f4\u4f4d\u7f6e\u662f\u4e24\u4e24\u4e0d\u540c\u7684\u3002\u5c0f\u5e03\u8ba4\u4e3a\u8fd9\u5e45\u58c1\u753b\u6240\u5305 \u542b\u7684\u4fe1\u606f\u4ec5\u4e0e\u8fd9N\u4e2a\u70b9\u7684\u76f8\u5bf9\u4f4d\u7f6e\u6709\u5173\uff0c\u56e0\u6b64\u4e0d\u59a8\u8bbe\u5750\u6807\u5206\u522b\u4e3a(1, y1) , (2, y2), …, (n, yn)\uff0c\u5176\u4e2dy1~yn\u662f1~N\u7684\u4e00\u4e2a\u6392\u5217\u3002 \u5c0f\u5e03\u7684\u56e2\u961f\u6253\u7b97\u7814\u7a76\u5728\u8fd9\u5e45\u58c1\u753b\u4e2d\u5305\u542b\u7740\u591a\u5c11\u4e2a\u56fe\u817e\uff0c\u5176\u4e2d\u95ea\u7535\u56fe\u817e\u7684\u5b9a\u4e49\u56fe\u793a\u5982\u4e0b\uff08\u56fe\u817e\u7684\u5f62\u5f0f\u53ea\u4e0e4\u4e2a\u7eb5\u5750\u6807\u503c\u7684\u76f8\u5bf9\u5927\u5c0f\u6392\u5217\u987a\u5e8f\u6709\u5173\uff09\uff1a \u5d07\u62dc\u9ad8\u5c71\u7684\u90e8\u843d\u6709\u4e24\u4e2a\u6c0f\u65cf\uff0c\u56e0\u800c\u5c71\u5cf0\u56fe\u817e\u6709\u5982\u4e0b\u4e24\u79cd\u5f62\u5f0f\uff0c\u5de6\u8fb9\u4e3aA\u7c7b\uff0c\u53f3\u8fb9\u4e3aB\u7c7b\uff08\u540c\u6837\uff0c\u56fe\u817e\u7684\u5f62\u5f0f\u4e5f\u90fd\u53ea\u4e0e4\u4e2a\u7eb5\u5750\u6807\u503c\u7684\u5927\u5c0f\u6392\u5217\u987a\u5e8f\u6709\u5173\uff09\uff1a \u5c0f\u5e03\u7684\u56e2\u961f\u5e0c\u671b\u77e5\u9053\uff0c\u8fd9N\u4e2a\u70b9\u4e2d\u4e24\u4e2a\u90e8\u843d\u56fe\u817e\u6570\u76ee\u7684\u5dee\u503c\u3002\u56e0\u6b64\u5728\u672c\u9898\u4e2d\uff0c\u4f60\u9700\u8981\u5e2e\u52a9\u5c0f\u5e03\u7684\u56e2\u961f\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u8ba1\u7b97\u95ea\u7535\u56fe\u817e\u6570\u76ee\u51cf\u53bb\u5c71\u5cf0\u56fe\u817e\u6570\u76ee\u7684 \u503c\uff0c\u7531\u4e8e\u8be5\u503c\u53ef\u80fd\u7edd\u5bf9\u503c\u8f83\u5927\uff0c\u672c\u9898\u4e2d\u53ea\u9700\u8f93\u51fa\u8be5\u503c\u5bf916777216\u7684\u4f59\u6570\uff08\u6ce8\u610f\u4f59\u6570\u5fc5\u4e3a\u6b63\u503c\uff0c\u4f8b\u5982-1\u5bf916777216\u7684\u4f59\u6570\u4e3a16777215\uff09\u3002 Input \u7b2c\u4e00\u884c\u5305\u542b\u4e00\u4e2a\u6574\u6570N\uff0c\u4e3a\u70b9\u7684\u6570\u76ee\u3002 \u63a5\u4e0b\u6765\u4e00\u884c\u5305\u542bN\u4e2a\u6574\u6570\uff0c\u5206\u522b\u4e3ay1, y2, \u2026, yn\u3002\u4fdd\u8bc1y1, y2, \u2026, yn\u662f1~N\u7684\u4e00\u4e2a\u6392\u5217\u3002 Output \u4ec5\u5305\u542b\u4e00\u4e2a\u6570\uff0c\u8868\u793a\u95ea\u7535\u56fe\u817e\u6570\u76ee\u4e0e\u5c71\u5cf0\u56fe\u817e\u6570\u76ee\u7684\u5dee\u503c\u5bf916777216\u7684\u4f59\u6570\u3002 Sample Input \u3010\u6837\u4f8b\u8f93\u5165\u4e00\u3011 5 1 5 3 2 4\u3010\u6837\u4f8b\u8f93\u5165\u4e8c\u3011 4 1 2 4 3 Sample Output \u3010\u6837\u4f8b\u8f93\u51fa\u4e00\u30110 \u3010\u6837\u4f8b\u8f93\u51fa\u4e8c\u301116777215 […]<\/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\/388"}],"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=388"}],"version-history":[{"count":0,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=\/wp\/v2\/posts\/388\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shuizilong.com\/wjmzbmr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}