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[Codeforces Round #640 (Div. 4)]1352G - Special Permutation[构造][思维]
1352G - Special Permutation[构造][思维]time limit per testmemory limit per testinputoutput2 seconds256 megabytesstandard inputstandard outputDescription: A permutation of length nnn is ana_nan array p=[p1,p2,…,pn]p=[p_1,p_2,…,p_n]p=[p1,p原创 2020-05-12 12:40:04 · 239 阅读 · 0 评论 -
[Codeforces Round #635 (div2)]1348D - Phoenix and Sciences[思维][好题]
1348D - Phoenix and Sciences[思维][好题]time limit per testmemory limit per testinputoutput2 seconds256 megabytesstandard inputstandard outputDescription: Phoenix has decided to bec...原创 2020-05-12 13:38:38 · 201 阅读 · 0 评论 -
[Codeforces Round #634 (div3)]1335F - Robots on a Grid[拓扑排序][反向建图]
1335F - Robots on a Grid[拓扑排序][反向建图]time limit per testmemory limit per testinputoutput3 seconds256 megabytesstandard inputstandard outputDescription: There is a rectangular grid ...原创 2020-04-23 13:23:14 · 250 阅读 · 0 评论 -
[Codeforces Round #628]1325F - Ehab's Last Theorem[思维+dfs树]
1325F - Ehab’s Last Theorem[思维+dfsdfsdfs树]time limit per testmemory limit per testinputoutput1 seconds256 megabytesstandard inputstandard outputDescription: It’s the year 5555. Yo...原创 2020-03-26 14:51:24 · 293 阅读 · 0 评论 -
[Codeforces Round #628]1325E - Ehab‘s REAL Number Theory Problem[最小环]
1325E - Ehab’s REAL Number Theory Problem[最小环]time limit per testmemory limit per testinputoutput3 seconds256 megabytesstandard inputstandard outputDescription: You are given an a...原创 2020-04-01 23:52:51 · 211 阅读 · 0 评论 -
[Codeforces Round #628]1325D - Ehab the Xorcist[思维+异或]
1325C - Ehab and Path-etic MEXs[最小环]time limit per testmemory limit per testinputoutput1 seconds256 megabytesstandard inputstandard outputDescription: You are given a tree consis...原创 2020-03-26 13:48:13 · 169 阅读 · 0 评论 -
[Codeforces Round #628]1325C - Ehab and Path-etic MEXs[思维][图]
1325C - Ehab and Path-etic MEXs[最小环]time limit per testmemory limit per testinputoutput1 seconds256 megabytesstandard inputstandard outputDescription: You are given a tree consis...原创 2020-03-26 13:48:04 · 185 阅读 · 0 评论 -
[Codeforces Round #627]1324C - Frog Jumps[思维]
1324C - Frog Jumps[思维]time limit per testmemory limit per testinputoutput2 seconds256 megabytesstandard inputstandard outputDescription: There is a frog staying to the left of the...原创 2020-03-14 00:14:39 · 314 阅读 · 0 评论