View Code of Problem 93

#include <bits/stdc++.h>
using namespace std;

int yz(int num) {
    int res=0;
    for(int i=1; i<num; i++) {
        if(num%i==0)
            res+=i;
    }
    return res;
}
int main() {
    int a,b;
    cin>>a>>b;
    for(int i=a; i<=b; i++) {
        if(yz(yz(i))==i&&yz(i)!=i&&i<yz(i)) {
            cout<<i<<" "<<yz(i)<<endl;
        }
    }

    return 0;
}