60pts
代码:
#include <bits/stdc++.h> using namespace std; int x,y,cnt; int main(){ cin>>x>>y; for(int i=1;i<=y;i++){ for(int j=1;j<=y;j++){ if(__gcd(i,j)==x&&i*j/__gcd(i,j)==y){ cnt++; } } } cout<<cnt; }