C++ program perfect number

 

#include <iostream>
using namespace std;
int main()
{
int i,sum,n;
cout<<"enter any number";
cin>>n;
for(i=1;i<n;i++)
{
if(n%i==0)
{
sum=sum+i;
}
else
{
sum=sum;

}
}
if(n==sum)
{
cout<<"number is perfect";
}
else
{
cout<<"number is not perfect";
}
}