#include<iostream> using namespace std; int getsum(int num) { int sum=0; for(int i=1;i<num;i++) { if(num%i==0) { sum+=i; } } return sum; } int main() { int m,n,a,b; cin>>m>>n; for(int i=m;i<=n;i++) { a=getsum(i); b=getsum(a); if(b==i&&i<a) { cout<<i<<" "<<a<<endl; } } } |
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