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题解下载地址：http://pan.baidu.com/s/1eSx27Jk 题解下载地址：http://pan.baidu.com/s/1qYDxlhi 阅读全文
posted @ 2016-05-25 11:05
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中位数计数 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5701 Description 中位数定义为所有值从小到大排序后排在正中间的那个数，如果值有偶数个，通常取最中间的两个数值的平均数作为中位数。 现在有n个数，每个数都是独一无二的，求出每个数 阅读全文
posted @ 2016-05-24 10:34
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区间交 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5700 Description 小A有一个含有n个非负整数的数列与m个区间。每个区间可以表示为li,ri。 它想选择其中k个区间， 使得这些区间的交的那些位置所对应的数的和最大。 例如样例中，选 阅读全文
posted @ 2016-05-24 10:30
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货物运输 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5699 Description 公元2222年，l国发生了一场战争。 小Y负责领导工人运输物资。 其中有m种物资的运输方案，每种运输方案形如li,ri。表示存在一种货物从li运到ri。 这里有 阅读全文
posted @ 2016-05-24 10:02
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瞬间移动 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5698 Description 有一个无限大的矩形，初始时你在左上角（即第一行第一列），每次你都可以选择一个右下方格子，并瞬移过去（如从下图中的红色格子能直接瞬移到蓝色格子），求到第n行第m列 阅读全文
posted @ 2016-05-24 09:43
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区间的价值 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5696 Description 我们定义“区间的价值”为一段区间的最大值 最小值。 一个区间左端点在L，右端点在R，那么该区间的长度为(R−L+1)。 现在聪明的杰西想要知道，对于长度为k的 阅读全文
posted @ 2016-05-24 09:32
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Gym Class 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5695 Description 众所周知，度度熊喜欢各类体育活动。 今天，它终于当上了梦寐以求的体育课老师。第一次课上，它发现一个有趣的事情。在上课之前，所有同学要排成一列， 假设最 阅读全文
posted @ 2016-05-22 10:49
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BD String 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5694 Description Problem Description 众所周知，度度熊喜欢的字符只有两个：B和D。 今天，它发明了一种用B和D组成字符串的规则： S(1)=B S( 阅读全文
posted @ 2016-05-22 10:47
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D Game 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5693 Description 众所周知，度度熊喜欢的字符只有两个：B 和D。 今天，它发明了一个游戏：D游戏。 度度熊的英文并不是很高明，所以这里的D，没什么高深的含义，只是代指等差数列 阅读全文
posted @ 2016-05-22 10:35
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Snacks 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5692 Description 百度科技园内有n个零食机，零食机之间通过n−1条路相互连通。每个零食机都有一个值v，表示为小度熊提供零食的价值。 由于零食被频繁的消耗和补充，零食机的价值v 阅读全文
posted @ 2016-05-22 08:56
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Sitting in Line 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5691 Description 度度熊是他同时代中最伟大的数学家，一切数字都要听命于他。现在，又到了度度熊和他的数字仆人们玩排排坐游戏的时候了。游戏的规则十分简单，参与游 阅读全文
posted @ 2016-05-22 08:53
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All X 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5690 Description F(x,m) 代表一个全是由数字x组成的m位数字。请计算，以下式子是否成立： F(x,m) mod k ≡ c Input 第一行一个整数T，表示T组数据。 阅读全文
posted @ 2016-05-22 08:50
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C. Old Berland Language 题目连接： http://www.codeforces.com/contest/37/problem/C Description Berland scientists know that the Old Berland language had exa 阅读全文
posted @ 2016-05-19 23:10
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B. Computer Game 题目连接： http://www.codeforces.com/contest/37/problem/B Description Vasya’s elder brother Petya loves playing computer games. In one of 阅读全文
posted @ 2016-05-19 16:00
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A. Towers 题目连接： http://www.codeforces.com/contest/37/problem/A Description Little Vasya has received a young builder’s kit. The kit consists of severa 阅读全文
posted @ 2016-05-19 15:35
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E. Trains and Statistic 题目连接： http://www.codeforces.com/contest/675/problem/E Description Vasya commutes by train every day. There are n train station 阅读全文
posted @ 2016-05-17 23:18
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D. Tree Construction 题目连接： http://www.codeforces.com/contest/675/problem/D Description During the programming classes Vasya was assigned a difficult p 阅读全文
posted @ 2016-05-17 22:26
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C. Money Transfers 题目连接： http://www.codeforces.com/contest/675/problem/C Description There are n banks in the city where Vasya lives, they are located 阅读全文
posted @ 2016-05-17 21:46
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B. Restoring Painting 题目连接： http://www.codeforces.com/contest/675/problem/B Description Vasya works as a watchman in the gallery. Unfortunately, one o 阅读全文
posted @ 2016-05-17 11:22
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A. Infinite Sequence 题目连接： http://www.codeforces.com/contest/675/problem/A Description Vasya likes everything infinite. Now he is studying the propert 阅读全文
posted @ 2016-05-17 11:11
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Prince and Princess 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=4685 Description There are n princes and m princesses. Princess can marry any prin 阅读全文
posted @ 2016-05-16 15:27
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King's Quest 题目连接： http://poj.org/problem?id=1904 Description Once upon a time there lived a king and he had N sons. And there were N beautiful girls 阅读全文
posted @ 2016-05-16 10:49
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zxa and xor 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5683 Description zxa had a great interest in exclusive disjunction(i.e. XOR) recently, the 阅读全文
posted @ 2016-05-15 19:00
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zxa and leaf 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5682 Description zxa have an unrooted tree with n nodes, including (n−1) undirected edges 阅读全文
posted @ 2016-05-15 18:48
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zxa and set 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=4681 Description zxa has a set A={a1,a2,⋯,an}, which has n elements and obviously (2n−1) n 阅读全文
posted @ 2016-05-15 18:18
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String 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=4681 Description Given 3 strings A, B, C, find the longest string D which satisfy the following 阅读全文
posted @ 2016-05-14 22:16
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Sum Of Gcd 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=4676 Description Given you a sequence of number a1, a2, ..., an, which is a permutation of 阅读全文
posted @ 2016-05-14 22:11
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B. Robin Hood 题目连接： http://www.codeforces.com/contest/671/problem/B Description We all know the impressive story of Robin Hood. Robin Hood uses his ar 阅读全文
posted @ 2016-05-12 22:21
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A. Recycling Bottles 题目连接： http://www.codeforces.com/contest/671/problem/A Description It was recycling day in Kekoland. To celebrate it Adil and Bera 阅读全文
posted @ 2016-05-12 17:13
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B. Different is Good 题目连接： http://www.codeforces.com/contest/672/problem/B Description A wise man told Kerem "Different is good" once, so Kerem wants 阅读全文
posted @ 2016-05-12 16:43
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A. Summer Camp 题目连接： http://www.codeforces.com/contest/672/problem/A Description Every year, hundreds of people come to summer camps, they learn new a 阅读全文
posted @ 2016-05-12 16:36
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D. Bear and Two Paths 题目连接： http://www.codeforces.com/contest/673/problem/D Description Bearland has n cities, numbered 1 through n. Cities are connec 阅读全文
posted @ 2016-05-08 08:48
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C. Bear and Colors 题目连接： http://www.codeforces.com/contest/673/problem/C Description Bear Limak has n colored balls, arranged in one long row. Balls a 阅读全文
posted @ 2016-05-08 08:44
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B. Problems for Round 题目连接： http://www.codeforces.com/contest/673/problem/B Description There are n problems prepared for the next Codeforces round. T 阅读全文
posted @ 2016-05-08 08:42
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A. Bear and Game 题目连接： http://www.codeforces.com/contest/673/problem/A Description Bear Limak likes watching sports on TV. He is going to watch a game 阅读全文
posted @ 2016-05-08 08:38
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C. Zero One 题目连接： http://codeforces.com/contest/135/problem/C Description Little Petya very much likes playing with little Masha. Recently he has rece 阅读全文
posted @ 2016-05-07 17:15
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B. Rectangle and Square 题目连接： http://codeforces.com/contest/135/problem/B Description Little Petya very much likes rectangles and especially squares. 阅读全文
posted @ 2016-05-07 17:09
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A. Replacement 题目连接： http://codeforces.com/contest/135/problem/A Description Little Petya very much likes arrays consisting of n integers, where each 阅读全文
posted @ 2016-05-07 17:07
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D. DZY Loves Strings 题目连接： http://codeforces.com/contest/444/problem/D Description DZY loves strings, and he enjoys collecting them. In China, many pe 阅读全文
posted @ 2016-05-07 16:57
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C. DZY Loves Colors 题目连接： http://codeforces.com/contest/444/problem/C Description DZY loves colors, and he enjoys painting. On a colorful day, DZY get 阅读全文
posted @ 2016-05-07 16:46
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