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Flight Boarding Optimization 题目连接： http://codeforces.com/gym/100269/attachments Description Peter is an executive boarding manager in Byteland airport
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posted @ 2016-02-18 22:56
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Energy Tycoon 题目连接： http://codeforces.com/gym/100269/attachments Description Little Vasya is playing a new computer game — turn based strategy “Energy
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posted @ 2016-02-18 22:47
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Dwarf Tower 题目连接： http://codeforces.com/gym/100269/attachments Description Little Vasya is playing a new game named “Dwarf Tower”. In this game there
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posted @ 2016-02-18 22:40
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Ballot Analyzing Device 题目连接： http://codeforces.com/gym/100269/attachments Description Election committee of Flatland is preparing for presidential el
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posted @ 2016-02-18 22:35
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Problem A. Arrangement of Contest 题目连接： http://codeforces.com/gym/100269/attachments Description Little Dmitry and little Petr want to arrange a conte
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posted @ 2016-02-18 22:32
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（图片摘自知乎） 突然发现，今天上映火影，于是顺手就买了张票，晚上打完比赛就滚过去看了。 影院里感觉看得人好少，大概1/4都没有坐到吧，不过毕竟是郊区，这个可以理解hhh。来看的人大概都是二十多岁的样子吧，有几个小孩子。 其实我好久都没看火影了，感觉有四五年的样子了吧，我大概就看到疾风传，打到君麻吕
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posted @ 2016-02-18 21:44
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E. Thoroughly Bureaucratic Organization 题目连接： http://www.codeforces.com/contest/201/problem/E Description Once n people simultaneously signed in to th
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posted @ 2016-02-18 01:42
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D. Brand New Problem 题目连接： http://www.codeforces.com/contest/201/problem/D Description A widely known among some people Belarusian sport programmer Le
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posted @ 2016-02-18 00:38
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G. Raffles 题目连接： http://www.codeforces.com/contest/626/problem/G Description Johnny is at a carnival which has n raffles. Raffle i has a prize with va
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posted @ 2016-02-17 22:18
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Clarke and tree 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5629 Description Clarke is a patient with multiple personality disorder. One day, Clar
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posted @ 2016-02-17 18:58
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Clarke and math 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5628 Description Clarke is a patient with multiple personality disorder. One day, he t
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posted @ 2016-02-17 12:52
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C. Wizards and Numbers 题目连接： http://codeforces.com/problemset/problem/167/C Description In some country live wizards. They love playing with numbers.
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posted @ 2016-02-16 18:39
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C. Fragile Bridges 题目连接： http://codeforces.com/contest/201/problem/C Description You are playing a video game and you have just reached the bonus leve
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posted @ 2016-02-16 18:32
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B. Guess That Car! 题目连接： http://codeforces.com/contest/201/problem/B Description A widely known among some people Belarusian sport programmer Yura pos
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posted @ 2016-02-16 18:26
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A. Clear Symmetry 题目连接： http://codeforces.com/contest/201/problem/A Description Consider some square matrix A with side n consisting of zeros and ones
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posted @ 2016-02-16 18:21
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Evacuation 题目连接： http://poj.org/problem?id=3057 Description Fires can be disastrous, especially when a fire breaks out in a room that is completely fi
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posted @ 2016-02-14 14:47
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F. Group Projects 题目连接： http://www.codeforces.com/contest/626/problem/F Description There are n students in a class working on group projects. The stu
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posted @ 2016-02-14 13:27
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E. Simple Skewness 题目连接： http://www.codeforces.com/contest/626/problem/E Description Define the simple skewness of a collection of numbers to be the c
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posted @ 2016-02-14 11:31
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D. Jerry's Protest 题目连接： http://www.codeforces.com/contest/626/problem/D Description Andrew and Jerry are playing a game with Harry as the scorekeeper
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posted @ 2016-02-14 11:26
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C. Block Towers 题目连接： http://www.codeforces.com/contest/626/problem/C Description Students in a class are making towers of blocks. Each student makes
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posted @ 2016-02-14 11:19
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B. Cards 题目连接： http://www.codeforces.com/contest/626/problem/B Description Catherine has a deck of n cards, each of which is either red, green, or blu
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posted @ 2016-02-14 11:13
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A. Robot Sequence 题目连接： http://www.codeforces.com/contest/626/problem/A Description Calvin the robot lies in an infinite rectangular grid. Calvin's so
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posted @ 2016-02-14 11:06
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Clarke and MST 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5627 Description Clarke is a patient with multiple personality disorder. One day he tur
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posted @ 2016-02-14 01:14
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Clarke and points 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5626 Description Clarke is a patient with multiple personality disorder. One day he
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posted @ 2016-02-14 01:09
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欢迎大家来看我的老婆们（误 故事很简单，讲了16岁的少女绪花，由于奇怪的原因来到了自己外婆所管理的温泉酒店打工，遇到了一些奇怪的人，做了一些奇怪的事儿，最终让自己buling，buling发光发亮的故事。 这是一部日(少)常(女)番，虽然故事平平淡淡，没有什么特别的设定，没有卖萌，没有腹黑，没有着墨
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posted @ 2016-02-13 18:44
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B. Let's Play Osu! 题目连接： http://www.codeforces.com/contest/235/problem/B Description You're playing a game called Osu! Here's a simplified version of
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posted @ 2016-02-13 17:09
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A. LCM Challenge 题目连接： http://www.codeforces.com/contest/235/problem/A Description Some days ago, I learned the concept of LCM (least common multiple)
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posted @ 2016-02-13 16:49
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E. Ants in Leaves 题目连接： http://www.codeforces.com/contest/622/problem/E Description Tree is a connected graph without cycles. A leaf of a tree is any
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posted @ 2016-02-12 15:03
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D. Optimal Number Permutation 题目连接： http://www.codeforces.com/contest/622/problem/D Description You have array a that contains all integers from 1 to
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posted @ 2016-02-12 14:57
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C. Not Equal on a Segment 题目连接： http://www.codeforces.com/contest/622/problem/C Description You are given array a with n integers and m queries. The i
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posted @ 2016-02-12 14:51
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B. The Time 题目连接： http://www.codeforces.com/contest/622/problem/B Description You are given the current time in 24 hour format hh:mm. Find and print t
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posted @ 2016-02-12 14:48
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A. Infinite Sequence 题目连接： http://www.codeforces.com/contest/622/problem/A Description Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1
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posted @ 2016-02-12 14:24
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1045: [HAOI2008] 糖果传递 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=1045 Description 有n个小朋友坐成一圈，每人有ai个糖果。每人只能给左右两人传递糖果。每人每次传递一个糖果代价为1。 Input 小
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posted @ 2016-02-09 11:47
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D. Finals in arithmetic 题目连接： http://www.codeforces.com/contest/625/problem/D Description Vitya is studying in the third grade. During the last math l
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posted @ 2016-02-08 16:31
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C. K special Tables 题目连接： http://www.codeforces.com/contest/625/problem/C Description People do many crazy things to stand out in a crowd. Some of the
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posted @ 2016-02-08 11:28
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B. War of the Corporations 题目连接： http://www.codeforces.com/contest/625/problem/B Description A long time ago, in a galaxy far far away two giant IT co
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posted @ 2016-02-08 11:16
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A. Guest From the Past 题目连接： http://www.codeforces.com/contest/625/problem/A Description Kolya Gerasimov loves kefir very much. He lives in year 1984
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posted @ 2016-02-08 11:13
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1014: [JSOI2008]火星人prefix 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=1014 Description 火星人最近研究了一种操作：求一个字串两个后缀的公共前缀。比方说，有这样一个字符串：madamimadam，
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posted @ 2016-02-07 12:48
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D. Array GCD 题目连接： http://codeforces.com/contest/624/problem/D Description You are given array ai of length n. You may consecutively apply two operati
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posted @ 2016-02-05 14:44
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C. Graph and String 题目连接： http://codeforces.com/contest/624/problem/C Description One day student Vasya was sitting on a lecture and mentioned a strin
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posted @ 2016-02-05 13:53
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