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摘要： MatrixTime Limit: 5000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1490Accepted Submission(s): 663Problem DescriptionGive you a matrix(only contains 0 or 1),every time you can select a row or a column and delete all the '1' in this row or this column .Y 阅读全文

摘要： Fire NetTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5215Accepted Submission(s): 2935Problem DescriptionSuppose that we have a square city with straight streets. A map of a city is a square board with n rows and n columns, each representing a st 阅读全文

摘要： DollsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 914Accepted Submission(s): 433Problem DescriptionDo you remember the box of Matryoshka dolls last week? Adam just got another box of dolls from Matryona. This time, the dolls have different shape 阅读全文

摘要： 统计硬币Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3230Accepted Submission(s): 2258Problem Description假设一堆由1分、2分、5分组成的n个硬币总面值为m分，求一共有多少种可能的组合方式（某种面值的硬币可以数量可以为0）。Input输入数据第一行有一个正整数T，表示有T组测试数据；接下来的T行，每行有两个数n,m，n和m的含义同上。Output对于每组测试数据，请输出可能的组合方式数；每组输 阅读全文

摘要： SORT AGAINTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3428Accepted Submission(s): 1088Problem Description给你N个整数,x1,x2...xn，任取两个整数组合得到|xi-xj|,(014 #include15 int ans[2005];16 int a[1005];17 int Sub(int a,int b)18 {19 if(a>b) return a-b;20 ... 阅读全文

摘要： A simple problemTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2730Accepted Submission(s): 958Problem DescriptionZty很痴迷数学问题.。一天，yifenfei出了个数学题想难倒他，让他回答1 / n。但Zty却回答不了^_^. 请大家编程帮助他.Input第一行整数T，表示测试组数。后面T行，每行一个整数 n (113 #include14 int main(void) 15 阅读全文

摘要： Ignatius and the Princess IVTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32767 K (Java/Others)Total Submission(s): 13455Accepted Submission(s): 5435Problem Description"OK, you are not too bad, em... But you can never pass the next test." feng5166 says."I will tell you an 阅读全文

摘要： 过山车Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8001 Accepted Submission(s): 3509Problem DescriptionRPG girls今天和大家一起去游乐场玩，终于可以坐上梦寐以求的过山车了。可是，过山车的每一排只有两个座位，而且还有条不成文的规矩，就是每个女生必须找个个男生做partner和她同坐。但是，每个女孩都有各自的想法，举个例子把，Rabbit只愿意和XHD或PQK做partne... 阅读全文

摘要： Eat the TreesTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2052 Accepted Submission(s): 998Problem DescriptionMost of us know that in the game called DotA(Defense of the Ancient), Pudge is a strong hero in the first period of the game. Whe... 阅读全文

摘要： Professor TianTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 632 Accepted Submission(s): 346Problem DescriptionTimer took the Probability and Mathematical Statistics course in the 2012, But his bad attendance angered Professor Tian who is i... 阅读全文

摘要： LianLianKanTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2285 Accepted Submission(s): 701Problem DescriptionI like playing game with my friend, although sometimes looks pretty naive. Today I invent a new game called LianLianKan. The game i... 阅读全文

摘要： PebblesTime Limit: 3000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 777 Accepted Submission(s): 426Problem DescriptionYou're given an unlimited number of pebbles to distribute across an N x N game board (N drawn from [3, 15]), where each square on the bo.. 阅读全文

摘要： 方格取数(1)Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3799 Accepted Submission(s): 1453Problem Description给你一个n*n的格子的棋盘，每个格子里面有一个非负数。从中取出若干个数，使得任意的两个数所在的格子没有公共边，就是说所取的数所在的2个格子不能相邻，并且取出的数的和最大。 Input包括多个测试实例，每个测试实例包括一个整数n 和n*n个非负数(n14 #inclu... 阅读全文

摘要： PiecesTime Limit: 6000/3000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1390 Accepted Submission(s): 708Problem Description You heart broke into pieces.My string broke into pieces.But you will recover one day,and my string will never go back. Given a string... 阅读全文

摘要： Doing HomeworkTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4228 Accepted Submission(s): 1705Problem DescriptionIgnatius has just come back school from the 30th ACM/ICPC. Now he has a lot of homework to do. Every teacher gives him a deadli... 阅读全文