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D. Bicycle Race 题目连接： http://www.codeforces.com/contest/659/problem/D Description Maria participates in a bicycle race. The speedway takes place on th
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posted @ 2016-03-31 17:41
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C. Tanya and Toys 题目连接： http://www.codeforces.com/contest/659/problem/C Description In Berland recently a new collection of toys went on sale. This co
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posted @ 2016-03-31 17:29
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B. Qualifying Contest 题目连接： http://www.codeforces.com/contest/659/problem/B Description Very soon Berland will hold a School Team Programming Olympiad
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posted @ 2016-03-31 17:19
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A. Round House 题目连接： http://www.codeforces.com/contest/659/problem/A Description Vasya lives in a round building, whose entrances are numbered sequent
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posted @ 2016-03-31 17:13
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E. Bear and Contribution 题目连接： http://www.codeforces.com/contest/658/problem/E Description Codeforces is a wonderful platform and one its feature show
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posted @ 2016-03-29 10:48
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D. Bear and Polynomials 题目连接： http://www.codeforces.com/contest/658/problem/D Description Limak is a little polar bear. He doesn't have many toys and
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posted @ 2016-03-29 10:06
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C. Bear and Forgotten Tree 3 题目连接： http://www.codeforces.com/contest/658/problem/C Description A tree is a connected undirected graph consisting of n
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posted @ 2016-03-29 09:56
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B. Bear and Displayed Friends 题目连接： http://www.codeforces.com/contest/658/problem/B Description Limak is a little polar bear. He loves connecting with
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posted @ 2016-03-29 09:31
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A. Bear and Reverse Radewoosh 题目连接： http://www.codeforces.com/contest/658/problem/A Description Limak and Radewoosh are going to compete against each
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posted @ 2016-03-29 09:27
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D. Nested Segments 题目连接： http://www.codeforces.com/contest/652/problem/D Description You are given n segments on a line. There are no ends of some seg
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posted @ 2016-03-28 19:56
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C. Foe Pairs 题目连接： http://www.codeforces.com/contest/652/problem/C Description You are given a permutation p of length n. Also you are given m foe pai
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posted @ 2016-03-28 19:33
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B. z sort 题目连接： http://www.codeforces.com/contest/652/problem/B Description A student of z school found a kind of sorting called z sort. The array a w
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posted @ 2016-03-28 11:59
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Bob's vector 题目连接： http://acm.uestc.edu.cn/ /problem/show/1048 Description Bob has a vector with mm elements, called vector BB. Now Alice gives him a
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posted @ 2016-03-28 10:03
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A. Gabriel and Caterpillar 题目连接： http://www.codeforces.com/contest/652/problem/A Description The 9 th grade student Gabriel noticed a caterpillar on a
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posted @ 2016-03-28 09:34
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打完比赛一看，好像我就写了一道题，果然是端茶送水选手…… A A Graph Problem 题意 给你一个图，然后有k个任务，每个任务需要从a到b点，然后让你删除最多的边，使得这k个任务仍然能够进行。 题解 卧槽，一看题，好神啊这道题，这怎么做啊，感觉不可做啊。 大胆猜一发，显然答案是小于n 1的
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posted @ 2016-03-27 11:06
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xiaoxin and his watermelon candy 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5654 Description During his six grade summer vacation, xiaoxin got lo
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posted @ 2016-03-27 10:19
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Bomber Man wants to bomb an Array. 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5653 Description Given an array and some positions where to plant t
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posted @ 2016-03-26 23:33
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India and China Origins 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5652 Description A long time ago there are no himalayas between India and Chin
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posted @ 2016-03-26 23:23
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xiaoxin juju needs help 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5651 Description As we all known, xiaoxin is a brilliant coder. He knew palind
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posted @ 2016-03-26 23:14
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so easy 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5650 Description Given an array with n integers, assume f(S) as the result of executing xor op
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posted @ 2016-03-26 23:06
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D. Three dimensional Turtle Super Computer 题目连接： http://www.codeforces.com/contest/638/problem/D Description A super computer has been built in the Tu
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posted @ 2016-03-25 19:23
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C. Road Improvement 题目连接： http://www.codeforces.com/contest/638/problem/C Description In Berland there are n cities and n 1 bidirectional roads. Each
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posted @ 2016-03-25 19:02
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B. Making Genome in Berland 题目连接： http://www.codeforces.com/contest/638/problem/B Description Berland scientists face a very important task given the
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posted @ 2016-03-25 12:44
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A. Home Numbers 题目连接： http://www.codeforces.com/contest/638/problem/A Description The main street of Berland is a straight line with n houses built al
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posted @ 2016-03-24 21:27
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天行廖的游戏 题目连接： http://acm.uestc.edu.cn/ /problem/show/1294 Description 天行健，君子以自强不息。地势坤，廖爷以厚德载物 一日在喵哈哈村，天行廖和沈宝宝正在玩一个游戏。 天行廖分别在$N$个纸片上写上一个数字，并放到一个盒子中。 现在沈
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posted @ 2016-03-24 19:53
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卿学姐种花 题目连接： http://acm.uestc.edu.cn/ /problem/show/1292 Description 众所周知，在喵哈哈村，有一个温柔善良的卿学姐。 卿学姐喜欢和她一样美丽的花。所以卿学姐家的后院有很多的花坛。 卿学姐有$n$个花坛，一开始第$i$个花坛里有$A[i
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posted @ 2016-03-24 19:51
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D. Follow Traffic Rules 题目连接： http://www.codeforces.com/contest/5/problem/D Description Everybody knows that the capital of Berland is connected to Be
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posted @ 2016-03-23 22:47
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Friends 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5305 Description There are n people and m pairs of friends. For every pair of friends, they ca
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posted @ 2016-03-23 22:13
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http://www.bilibili.com/video/av4163472/ 地址在上面~
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posted @ 2016-03-23 22:10
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Buildings 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5301 Description Your current task is to make a ground plan for a residential building locat
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posted @ 2016-03-23 22:06
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DZY Loves Sorting 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5649 Description DZY has a sequence a[1..n]. It is a permutation of integers 1∼n. No
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posted @ 2016-03-23 15:36
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DZY Loves Connecting 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5647 Description DZY has an unrooted tree consisting of n nodes labeled from 1 to
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posted @ 2016-03-23 12:43
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DZY Loves Partition 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5646 Description DZY loves partitioning numbers. He wants to know whether it is po
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posted @ 2016-03-23 11:12
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DZY Loves Balls 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5645 Description DZY loves playing balls. He has n balls in a big box. On each ball th
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posted @ 2016-03-23 10:37
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B. Center Alignment 题目连接： http://www.codeforces.com/contest/5/problem/B Description Almost every text editor has a built in function of center text al
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posted @ 2016-03-21 22:46
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E. Intellectual Inquiry 题目连接： http://www.codeforces.com/contest/655/problem/E Description After getting kicked out of her reporting job for not knowin
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posted @ 2016-03-21 20:43
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E. Bear and Forgotten Tree 2 题目连接： http://www.codeforces.com/contest/653/problem/E Description A tree is a connected undirected graph consisting of n
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posted @ 2016-03-21 15:51
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D. Robot Rapping Results Report 题目连接： http://www.codeforces.com/contest/655/problem/D Description While Farmer John rebuilds his farm in an unfamiliar
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posted @ 2016-03-21 13:28
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C. Enduring Exodus 题目连接： http://www.codeforces.com/contest/655/problem/C Description In an attempt to escape the Mischievous Mess Makers' antics, Farm
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posted @ 2016-03-20 23:11
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B. Mischievous Mess Makers 题目连接： http://www.codeforces.com/contest/655/problem/B Description It is a balmy spring afternoon, and Farmer John's n cows
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posted @ 2016-03-20 22:34
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