Risk
Risk is a board game in which several opposing players attempt to conquer the world. The gameboard consists of a world map broken up into hypothetical countries. During a player's turn, armies stationed in one country are only allowed to attac >>继续阅读
Swordfish
There exists a world within our world
A world beneath what we call cyberspace.
A world protected by firewalls,
passwords and the most advanced
security systems. >>继续阅读
Arbitrage
Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the same currency. For example, suppose that 1 US Dollar buys 0.5 British pound, 1 British pound buys 10.0 Fre >>继续阅读
Knight Moves
A friend of you is doing research on the Traveling Knight Problem (TKP) where you are to find the shortest closed tour of knight moves that visits each square of a given set of n squares on a chessboard exactly once. He thinks that the >>继续阅读
Stockbroker Grapevine
Stockbrokers are known to overreact to rumours. You have been contracted to develop a method of spreading disinformation amongst the stockbrokers to give your employer the tactical edge in the stock market. For maximum effect, >>继续阅读
Gene Assembly
Statement of the Problem
With the large amount of genomic DNA sequence data being made available, it is becoming more important to find genes (parts of the genomic DNA which are responsible for the synthesis of proteins) in these se >>继续阅读
Web Navigation
Standard web browsers contain features to move backward and forward among the pages recently visited. One way to implement these features is to use two stacks to keep track of the pages that can be reached by moving backward and forw >>继续阅读
大家都知道，小W是一名大帅哥，当然比起Light还是有点儿差距的！帅气的小W认为0-9这些数字，只有1,3,5是完美的。
欲问小W为什么，小W总是说“帅哥，是不需要解释的”.所以在帅哥小W的世界里， >>继续阅读
A problem of sorting
Problem Description
There are many people's name and birth in a list.Your task is to print the name from young to old.(There is no pair of >>继续阅读
给定n个关于X的不等式，问最多有多少个成立。
每个不等式为如下的形式之一：
X < C
X <= C
X = C
X > C
X >= C
第一行一个整数n。
以下n行，每行一个不等式。
数据范围:
1<=N<=50,0<=C<=1000
一行一个整数，表示最多可以同时成立的不等式个数。
样例输入
4
X = 1
X = 2
X = 3 >>继续阅读
