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棋盘问题Time Limit : 2000/1000ms (Java/Other)Memory Limit : 20000/10000K (Java/Other)Total Submission(s) : 5Accepted Submission(s) : 3Problem Description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个棋子的所有可行的摆放方案C。Input输入含有多组测试数据。 每组数据的第一行是两个正整数，n k，用一个空格隔开，表示了将在一个 阅读全文
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Lost CowsTime Limit : 2000/1000ms (Java/Other)Memory Limit : 131072/65536K (Java/Other)Total Submission(s) : 4Accepted Submission(s) : 1Problem DescriptionN (2 #include#includeusing namespace std;const int N=8010;#define L(rt) (rt>1; build(L,mid,L(rt)); build(mid+1,R,R(rt));}int query(int id,i... 阅读全文
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胜利大逃亡(续)Time Limit : 4000/2000ms (Java/Other)Memory Limit : 65536/32768K (Java/Other)Total Submission(s) : 5Accepted Submission(s) : 4Problem DescriptionIgnatius再次被魔王抓走了(搞不懂他咋这么讨魔王喜欢)……这次魔王汲取了上次的教训，把Ignatius关在一个n*m的地牢里，并在地牢的某些地方安装了带锁的门，钥匙藏在地牢另外的某些地方。刚开始Ignatius被关在(sx,sy)的位置，离开地牢的门在(ex,ey)的位置。Ignatiu 阅读全文
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Employment PlanningTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2698Accepted Submission(s): 1061 Problem DescriptionA project manager wants to determine the number of the workers needed in every month. He does know the minimal number of the wor 阅读全文
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龟兔赛跑Time Limit: 1000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7739Accepted Submission(s): 2977 Problem Description据说在很久很久以前，可怜的兔子经历了人生中最大的打击——赛跑输给乌龟后，心中郁闷，发誓要报仇雪恨，于是躲进了杭州下沙某农业园卧薪尝胆潜心修炼，终于练成了绝技，能够毫不休息得以恒定的速度(VR m/s)一直跑。兔子一直想找机会好好得教训一下乌龟，以雪前耻。 最近正值HDU举办50周年校庆 阅读全文
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FatMouse and CheeseTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 3194Accepted Submission(s): 1253 Problem DescriptionFatMouse has stored some cheese in a city. The city can be considered as a square grid of dimension n: each grid location is lab 阅读全文
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Constructing Roads In JGShining's KingdomTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 10441Accepted Submission(s): 2990 Problem DescriptionJGShining's kingdom consists of 2n(n is no more than 500,000) small cities which are located in t 阅读全文
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FatMouse's SpeedTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 6276Accepted Submission(s): 2735 Special JudgeProblem DescriptionFatMouse believes that the fatter a mouse is, the faster it runs. To disprove this, you want to take the data on a 阅读全文
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How many waysTime Limit: 3000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1654Accepted Submission(s): 1016 Problem Description这是一个简单的生存游戏，你控制一个机器人从一个棋盘的起始点(1,1)走到棋盘的终点(n,m)。游戏的规则描述如下： 1.机器人一开始在棋盘的起始点并有起始点所标有的能量。 2.机器人只能向右或者向下走，并且每走一步消耗一单位能量。 3.机器人不能在原地停留。 4.当机 阅读全文