http://acm.nyist.net/JudgeOnline/problem.php?pid=66

#include<iostream>
#include<cstdio>
using namespace std;
int main()
{
	int T;
	cin>>T;
	while(T--)
	{
		int n;
		cin>>n;
		for(int i=1;i<=2*n;++i)
		{
			if(i-n>0&&((i*n)%(i-n)==0))
				printf("1/%d=1/%d+1/%d
",n,(i*n)/(i-n),i);
		}
	}return 0;
}