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Codeforces 664C：International Olympiad
C. International Olympiadtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputInternational Abbreviation Olympia原创 2016-04-24 13:46:34 · 936 阅读 · 0 评论 -
Codeforces 631D：Messenger KMP
D. Messengertime limit per test2 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputEach employee of the "Blake Techologies" compa原创 2016-03-07 23:46:06 · 1114 阅读 · 0 评论 -
Codeforces 631C：Report
C. Reporttime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputEach month Blake gets the report containing main原创 2016-03-07 23:41:06 · 824 阅读 · 0 评论 -
Codeforces 607B：Zuma DP
B. Zumatime limit per test2 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputGenos recently installed the game Zuma on his phone原创 2015-12-25 19:51:56 · 620 阅读 · 0 评论 -
Codeforces 611D：New Year and Ancient Prophecy DP 分块记录最后一个
D. New Year and Ancient Prophecytime limit per test2.5 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputLimak is a little polar原创 2016-02-12 20:07:42 · 683 阅读 · 0 评论 -
Codeforces 598E：Chocolate Bar
E. Chocolate Bartime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou have a rectangular chocolate bar consi原创 2015-11-16 12:52:41 · 1176 阅读 · 0 评论 -
Codeforces 351D：Jeff and Removing Periods
D. Jeff and Removing Periodstime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputCosider a sequence, consisting原创 2016-02-04 13:31:04 · 802 阅读 · 0 评论 -
Codeforces 375D：Tree and Queries 点化成区间 莫队
D. Tree and Queriestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou have a rooted tree consisting of n v原创 2016-02-04 11:09:43 · 1233 阅读 · 0 评论 -
Codeforces Round #341 (Div. 2)
B. Wet Shark and Bishopstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputToday, Wet Shark is given n bishop原创 2016-02-01 22:37:59 · 371 阅读 · 0 评论 -
Codeforces 651D：Image Preview 二分
D. Image Previewtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputVasya's telephone contains n photos. Photo原创 2016-03-08 09:39:06 · 1135 阅读 · 3 评论 -
Codeforces 653D：Delivery Bears 二分+网络流
D. Delivery Bearstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputNiwel is a little golden bear. As everyon原创 2016-03-20 21:59:09 · 932 阅读 · 0 评论 -
Codeforces 623B：Array GCD
B. Array GCDtime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given array ai of length n. You may原创 2016-02-23 19:49:10 · 1291 阅读 · 1 评论 -
Codeforces 672E：Ultimate Weirdness of an Array 线段树
E. Ultimate Weirdness of an Arraytime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputYasin has an array a cont原创 2016-05-16 22:33:36 · 1157 阅读 · 4 评论 -
Codeforces 660F：Bear and Bowling 4
F. Bear and Bowling 4time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLimak is an old brown bear. He often原创 2016-04-15 13:42:23 · 978 阅读 · 2 评论 -
Codeforces 628E：Zbazi in Zeydabad 树状数组的奇妙用法
E. Zbazi in Zeydabadtime limit per test5 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputA tourist wants to visit country Zeyda原创 2016-02-29 23:42:13 · 923 阅读 · 0 评论 -
Codeforces 629E：Famil Door and Roads
E. Famil Door and Roadstime limit per test5 secondsmemory limit per test512 megabytesinputstandard inputoutputstandard outputFamil Door’s City map looks like a原创 2016-03-12 18:42:45 · 797 阅读 · 0 评论 -
Codeforces 653E：Bear and Forgotten Tree 2
E. Bear and Forgotten Tree 2time limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA tree is a connected undirect原创 2016-03-22 23:28:33 · 705 阅读 · 0 评论 -
Codeforces 645C：Enduring Exodus
C. Enduring Exodustime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn an attempt to escape the Mischievous原创 2016-03-22 22:10:13 · 739 阅读 · 0 评论 -
Codeforces 631E：Product Sum
E. Product Sumtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputBlake is the boss of Kris, however, this does原创 2016-03-09 19:56:27 · 1116 阅读 · 0 评论 -
Codeforces 651E：Table Compression
E. Table Compressiontime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLittle Petya is now fond of data compr原创 2016-03-09 18:10:01 · 908 阅读 · 0 评论 -
Codeforces 506D：Mr. Kitayuta's Colorful Graph 并查集
D. Mr. Kitayuta's Colorful Graphtime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputMr. Kitayuta has just boug原创 2016-02-01 21:34:48 · 987 阅读 · 0 评论 -
Codeforces 624C：Graph and String 二分图染色
C. Graph and Stringtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputOne day student Vasya was sitting on a原创 2016-03-02 15:40:19 · 983 阅读 · 0 评论 -
Codeforces 148D：Bag of mice
D. Bag of micetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe dragon and the princess are arguing abou原创 2016-02-14 12:20:42 · 603 阅读 · 0 评论 -
Codeforces 610C：Harmony Analysis 递归
C. Harmony Analysistime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe semester is already ending, so Dani原创 2015-12-27 23:46:43 · 1023 阅读 · 2 评论 -
Codeforces 599D：Spongebob and Squares
D. Spongebob and Squarestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputSpongebob is already tired trying原创 2015-11-22 21:08:20 · 1097 阅读 · 0 评论 -
Codeforces 598D：Igor In the Museum
D. Igor In the Museumtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIgor is in the museum and he wants to原创 2015-11-16 10:56:57 · 873 阅读 · 0 评论 -
codeforces 586B：Laurenty and Shop
B. Laurenty and Shoptime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputA little boy Laurenty has been playing原创 2015-10-13 08:37:49 · 704 阅读 · 0 评论 -
Codeforces 591 B：Rebranding
B. Rebrandingtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe name of one small but proud corporation c原创 2015-10-26 16:04:28 · 1118 阅读 · 0 评论 -
Codeforces 590 A：Median Smoothing
A. Median Smoothingtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputA schoolboy named Vasya loves reading b原创 2015-10-26 15:57:03 · 947 阅读 · 0 评论 -
Codeforces 448C：Painting Fence 刷栅栏 超级好玩的一道题目
C. Painting Fencetime limit per test1 secondmemory limit per test512 megabytesinputstandard inputoutputstandard outputBizon the Champion isn't just attentive, h原创 2015-10-19 21:48:56 · 1217 阅读 · 0 评论 -
Codeforces 556A：Case of the Zeros and Ones
A. Case of the Zeros and Onestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAndrewid the Android is a gala原创 2015-10-17 13:34:33 · 686 阅读 · 0 评论 -
Codeforces 601A：The Two Routes 宽搜最短路径
A. The Two Routestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn Absurdistan, there are n towns (number原创 2015-11-25 21:44:40 · 1248 阅读 · 0 评论 -
Codeforces 611C：New Year and Domino 二维前缀和
C. New Year and Dominotime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThey say "years are like dominoes, t原创 2015-12-31 17:37:43 · 1493 阅读 · 0 评论 -
Codeforces 604B：More Cowbell
B. More Cowbelltime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputKevin Sun wants to move his precious collec原创 2015-12-02 09:02:05 · 970 阅读 · 0 评论 -
Codeforces 607C：Marbles 纯脑洞。。。。
C. Marblestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn the spirit of the holidays, Saitama has given原创 2015-12-27 17:38:00 · 1156 阅读 · 0 评论 -
Codeforces 607A：Chain Reaction 二分+递推
A. Chain Reactiontime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are n beacons located at distinct p原创 2015-12-24 22:30:07 · 991 阅读 · 0 评论 -
Codeforces 546E：士兵的旅行 最大网络流
E. Soldier and Travelingtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputIn the country there are n cities a原创 2015-10-23 22:14:25 · 1405 阅读 · 0 评论 -
Codeforces 86D：Powerful array
D. Powerful arraytime limit per test5 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAn array of positive integers a1, a2, ...原创 2016-01-27 17:33:52 · 581 阅读 · 0 评论 -
Codeforces 617E：XOR and Favorite Number 莫队算法
E. XOR and Favorite Numbertime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBob has a favorite number k and原创 2016-01-26 23:14:59 · 744 阅读 · 0 评论 -
Codeforces 615C：Longtail Hedgehog
B. Longtail Hedgehogtime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThis Christmas Santa gave Masha a magi原创 2016-01-09 20:53:43 · 553 阅读 · 0 评论