#include<iostream> #include<cstring> #include<cmath> #include<algorithm> using namespace std; int main() { long long n,c,a,b; cin>>n; c=n; int sum1=0,sum2=0; while(c>0) { cin>>a>>b; for(int i=1;i<=a/2;i++) { if(a%i==0) {sum1+=i;} } for(int j=1;j<=b/2;j++) { if(b%j==0) sum2+=j; } if(sum1==b&&sum2==a) cout<<"YES"<<endl; else cout<<"NO"<<endl; c--; } return 0; } 这样哪里错了?