poj1528解题报告

大水题。。。飘过

 

 

 

#include<iostream>#include<cmath>using namespace std;int s(int n){int i,sum=1;for(i=2;i<=(int)sqrt((double)n);i++)if(n%i==0)sum+=i+n/i;if((int)sqrt((double)n)*(int)sqrt((double)n)==n)sum-=(int)sqrt((double)n);return sum;}int main(){cout<<"PERFECTION OUTPUT"<<endl;int i,j;while(cin>>i&&i){if(i==1){printf("%5d DEFICIENT/n",1);continue;}else{j=s(i);if(j>i)printf("%5d ABUNDANT/n",i);else if(j==i)printf("%5d PERFECT/n",i);else printf("%5d DEFICIENT/n",i);}}cout<<"END OF OUTPUT"<<endl;return 0;}