soj 3137 Simple Computing 容斥原理 hdu 1796 How many integers can you find
/* * hdu1796.c * * Created on: 2011-10-3 * Author: bjfuwangzhu */#include<stdio.h>#define LL long long#define nmax 11int num[nmax], nlen;LL res;int gcd(int a, int b) { return b == 0 ? a