1131. Subway Map (30) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue In the big cities, the subway systems always look so complex to the visitors.
这道题和hdu1130 是姊妹题。 hdu 1130是典型的卡特兰数题。这题又加了标签,所以总数是卡特兰数乘以n的阶乘。 /** create by zzy at 2017,2:03:40 PM*/import java.math.BigInteger;import java.util.Scanner;public class Main {static int max=105;sta
Steps Time Limit: 3000MS Memory limit: 65536K 题目描述 One steps through integer points of the straight line. The length of a step must be nonnegative and can be by one bigger than, equal t