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Children of the Candy Corn Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 12060 Accepted: 5177Description The cornfield maze is a popular Halloween treat. Visitors are shown

Painting A Board Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 3611 Accepted: 1795Description The CE digital company has built an Automatic Painting Machine (APM) to paint a fl

The Rotation Game Time Limit: 15000MS Memory Limit: 150000K Total Submissions: 5852 Accepted: 1968Description The rotation game uses a # shaped board, which can hold 24 pieces of square bloc

Mondriaan’s DreamTime Limit: 3000MS Memory Limit: 65536K Total Submissions: 14345 Accepted: 8273 DescriptionSquares and rectangles fascinated the famous Dutch painter Piet Mondriaan. One night, aft

Sudoku Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 17035 Accepted: 8286 Special JudgeDescription Sudoku is a very simple task. A square table with 9 rows and 9 column

Shredding Company Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 4962 Accepted: 2848Description You have just been put in charge of developing a new shredder for the Shredding C

题目：http://www.lydsy.com/JudgeOnline/problem.php?id=1603 1603: [Usaco2008 Oct]打谷机 Time Limit: 5 Sec Memory Limit: 64 MB Submit: 801 Solved: 615 [Submit][Status][Discuss] DescriptionFarmer John有一个

题目：http://www.lydsy.com/JudgeOnline/problem.php?id=1611 1611: [Usaco2008 Feb]Meteor Shower流星雨 Time Limit: 5 Sec Memory Limit: 64 MB Submit: 1272 Solved: 557 [Submit][Status][Discuss] Description

题目：http://www.lydsy.com/JudgeOnline/problem.php?id=1612 1612: [Usaco2008 Jan]Cow Contest奶牛的比赛 Time Limit: 5 Sec Memory Limit: 64 MB Submit: 924 Solved: 613 [Submit][Status][Discuss] DescriptionF

题目：http://www.lydsy.com/JudgeOnline/problem.php?id=16151615: [Usaco2008 Mar]The Loathesome Hay Baler麻烦的干草打包机 Time Limit: 5 Sec Memory Limit: 64 MB Submit: 741 Solved: 296 [Submit][Status][Discuss]

Water pipe Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 2265 Accepted: 602 Description The Eastowner city is perpetually haunted with water supply shortages, so in order to

Best Sequence Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 5615 Accepted: 2213Description The twenty-first century is a biology-technology developing century. One of the most

Channel Allocation Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 13861 Accepted: 7076Description When a radio station is broadcasting over a very large area, repeaters are u

Curling 2.0 Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 16394 Accepted: 6773DescriptionOn Planet MM-21, after their Olympic games this year, curling is getting popular. But

棋盘问题 Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 32023 Accepted: 15890Description 在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的

A Knight’s Journey Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 38352 Accepted: 13017Description Background The knight is getting bored of seeing the same black and white

Dungeon Master Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 24288 Accepted: 9419Description You are trapped in a 3D dungeon and need to find the quickest way out! The dunge

Catch That Cow Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 69092 Accepted: 21729DescriptionFarmer John has been informed of the location of a fugitive cow and wants to catc

Find The Multiple Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 24596 Accepted: 10128 Special JudgeDescription Given a positive integer n, write a program to find out a

Prime Path Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15588 Accepted: 8791Description The ministers of the cabinet were quite upset by the message from the Chief of Secur

Pots Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 13265 Accepted: 5572 Special JudgeDescriptionYou are given two pots, having the volume of A and B liters respectively.

Network Saboteur Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10712 Accepted: 5152Description A university network is composed of N computers. System administrators gathere

题目：http://www.lydsy.com/JudgeOnline/problem.php?id=1619 1619: [Usaco2008 Nov]Guarding the Farm 保卫牧场 Time Limit: 5 Sec Memory Limit: 64 MB Submit: 694 Solved: 306 [Submit][Status][Discuss] Descri