POJ1528 Perfection 一道水题，却贡献3WA，就因为一个1，好好看题很重要

POJ1528 Perfection 一道水题，却贡献3WA，就因为一个1，好好看题很重要

 

#include < iostream >
#include < iomanip >
#include < cmath >
#include < string >
using   namespace  std;
char  level[ 3 ][ 20 ] = {"DEFICIENT","PERFECT","ABUNDANT"} ;
char  a[ 1000 ];
void  output( int  n)
{
    int i;
    int mid=n/2;
    int sum=1;
    for(i=2;i<=mid;i++)
    {
        if(n%i==0)
        {
            sum+=i;
        }
    }
    if(sum<n)
        cout<<setw(5)<<n<<"  "<<level[0]<<endl;
    else if(sum==n)
        cout<<setw(5)<<n<<"  "<<level[1]<<endl;
    else cout<<setw(5)<<n<<"  "<<level[2]<<endl;
}


int  main()
{
    int i,j;
    int N;
    int cur;
    cout<<"PERFECTION OUTPUT"<<endl;
    while(cin>>cur&&cur!=0)
    {
        
        if(cur==0)
            break;
        if(cur==1)
        {
            cout<<setw(5)<<cur<<"  "<<level[0]<<endl;
        }
        else
            output(cur);
    }
    cout<<"END OF OUTPUT"<<endl;
    return 0;
}