""" Given an N x N grid containing only values and , represents water and represents land, find a water cell such that its distance to the nearest land cell is maximized and return the distance. The distance used in this problem is the Manh…

题目链接: 传送门 Prime Land Time Limit: 1000MS     Memory Limit: 10000K Description Everybody in the Prime Land is using a prime base number system. In this system, each positive integer x is represented as follows: Let {pi}i=0,1,2,... denote the increasing…

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5378 题意:给你一棵n个结点的有根树.因为是有根树,那么每个结点可以指定以它为根的子树(后面讨论的子树都是这个).现在我们把标号从1到n的n个minister派驻到这些结点上面(每个结点派驻一人),并规定任一子树中编号最大的minister 为该子树的领导,问你存在多少个不同的领导 解: 引用官方题解: 可以用求概率的思想来解决这个问题.令以i号节点为根的子树为第i棵子树,设这颗子树恰好有sz[i]…

Wei Qing (died 106 BC) was a military general of the Western Han dynasty whose campaigns against the Xiongnu earned him great acclaim. He was a relative of Emperor Wu because he was the younger half-brother of Empress Wei Zifu (Emperor Wu’s wife) and…

Divided Land Time Limit: 8000/4000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 123    Accepted Submission(s): 64 Problem Description It’s time to fight the local despots and redistribute the land. There is a rect…

Uncle Tom's Inherited Land* Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2013    Accepted Submission(s): 830Special Judge Problem Description Your old uncle Tom inherited a piece of land from…

Uncle Tom's Inherited Land* Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3339    Accepted Submission(s): 1394Special Judge Problem Description Your old uncle Tom inherited a piece of land fro…

Uncle Tom's Inherited Land* Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 1869    Accepted Submission(s): 777 Special Judge Problem Description Your old uncle Tom inherited a piece of land fr…

A. Lala Land and Apple Trees Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/558/problem/A Description Amr lives in Lala Land. Lala Land is a very beautiful country that is located on a coordinate line. Lala Land is famous…

题目链接:https://icpcarchive.ecs.baylor.edu/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=5273 Wei Qing (died BC) was a military general of the Western Han dynasty whose campaigns against the Xiongnu earned him great acclaim.…