UVA 11889 Benefit(公约雄倍)

UVA 11889 Benefit(公约公倍)

#include <iostream>
using namespace std;
int gcd(int a,int b)
{
	return b==0?a:gcd(b,a%b);
}
int main(int argc, char *argv[])
{
	long long a,L,t,i; 
	cin>>t;
	while(t--)
	{	cin>>a>>L;
		if(L%a) cout<<"NO SOLUTION"<<endl;
		else
		{
			for(i=L/a;i<=L;i+=L/a)
			{
				if(a/gcd(a,i)*i==L) { cout<<i<<endl;break;}
			}
			if(i>L) cout<<"NO SOLUTION"<<endl;
		}
	}
	return 0;
}