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Codeforces Round #253 (Div. 1)D题
D. Adam and Treetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputWhen Adam gets a rooted tree (connected no原创 2014-08-02 21:57:11 · 885 阅读 · 0 评论 -
Codeforces Round #266 (Div. 2)C（算是简单计数吧）
C. Number of Waystime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou've got array a[1], a[2], ..., a[n], c原创 2014-09-15 22:35:54 · 883 阅读 · 0 评论 -
Codeforces Round #266 (Div. 2)E（判断父子关系+离线）
E. Information Graphtime limit per test1 secondmemory limit per test512 megabytesinputstandard inputoutputstandard outputThere are n employees working in compan原创 2014-09-15 22:32:58 · 1108 阅读 · 0 评论 -
Codeforces Round #264 (Div. 2)E（裸的树询问）
E. Caisa and Treetime limit per test10 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputCaisa is now at home and his son has a s原创 2014-08-30 23:33:20 · 752 阅读 · 0 评论 -
Codeforces Round #264 (Div. 2)C（找规律）
C. Gargari and Bishopstime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputGargari is jealous that his friend C原创 2014-08-30 21:31:43 · 700 阅读 · 0 评论 -
Codeforces Round #261 (Div. 2)E题（DP：DAG上的最长路）
E. Pashmak and Graphtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputPashmak's homework is a problem about g原创 2014-08-16 23:20:49 · 1054 阅读 · 0 评论 -
Codeforces Round #268 (Div. 1)A（构造）
A. 24 Gametime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle X used to play a card game called "24 Game原创 2014-09-22 22:49:31 · 809 阅读 · 0 评论 -
Codeforces Round #261 (Div. 2)C题（思维题）
C. Pashmak and Busestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently Pashmak has been employed in a原创 2014-08-16 11:55:38 · 1617 阅读 · 0 评论 -
Codeforces Round #261 (Div. 2)D题（水线段树）
D. Pashmak and Parmida's problemtime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputParmida is a clever girl a原创 2014-08-16 13:47:30 · 1080 阅读 · 0 评论 -
Codeforces Round #263 (Div. 2)E（线段树点更新）
E. Appleman and a Sheet of Papertime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAppleman has a very big sh原创 2014-08-27 19:01:43 · 876 阅读 · 0 评论 -
Codeforces Round #268 (Div. 1)B（dfs）
B. Two Setstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle X has n distinct integers: p1, p2, ..., p原创 2014-09-22 22:22:11 · 850 阅读 · 0 评论 -
Codeforces Round #258 (Div. 2)E（组合数+容斥原理）
E. Devu and Flowerstime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputDevu wants to decorate his garden with原创 2014-08-26 20:28:17 · 624 阅读 · 0 评论 -
Codeforces Round #262 (Div. 2)E（贪心+暴搜）
E. Roland and Rosetime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputRoland loves growing flowers. He has rec原创 2014-08-24 16:08:22 · 1146 阅读 · 0 评论 -
Codeforces Round #262 (Div. 2)D题（数位+找规律）
D. Little Victor and Settime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle Victor adores the sets theor原创 2014-08-24 14:37:46 · 1102 阅读 · 0 评论 -
Codeforces Round #254 (Div. 2)D（估计）
D. DZY Loves FFTtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputDZY loves Fast Fourier Transformation, and原创 2014-09-18 12:56:29 · 926 阅读 · 0 评论