poj_1528 Perfection

//C++代码
#include<iostream>
#include<iomanip>
using namespace std;

int main(){
cout<<"PERFECTION OUTPUT"<<endl;
int n,i;
while(cin>>n,n){
if(n==1){
cout<<setw(5)<<n<<"  DEFICIENT"<<endl;
continue;
}
int sum=1;
for(i=2;i*i<=n;i++){
if(n%i==0){
if(i*i==n) sum+=i;
else sum+=i+n/i;
}
}
if(sum<n) cout<<setw(5)<<n<<"  DEFICIENT"<<endl;
else if(sum==n) cout<<setw(5)<<n<<"  PERFECT"<<endl;
else cout<<setw(5)<<n<<"  ABUNDANT"<<endl;
}
cout<<"END OF OUTPUT"<<endl;
return 0;
}