Happy 2006 Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 11458 Accepted: 4001 Description Two positive integers are said to be relatively prime to each other if the Great Common Divisor (GCD) is 1. For instance, 1, 3, 5, 7, 9...are a…
题目链接:http://poj.org/problem?id=2773 Happy 2006 Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 12942 Accepted: 4557 Description Two positive integers are said to be relatively prime to each other if the Great Common Divisor (GCD) is 1.…
题目 Source http://acm.hdu.edu.cn/showproblem.php?pid=5838 Description Zhu found a map which is a N∗M rectangular grid.Each cell has a height and there are no two cells which have the same height. But this map is too old to get the clear information,so…