问题 D: C语言实验——各位数字之和排序

#include <stdio.h>
int main()
{
    int a[100];
    int i,n,j,t;
    int c[100];
    while (scanf("%d",&n)!=EOF&&n!=0)
    {
       for (i=0;i<n;i++)
    {
        scanf("%d",&a[i]);
        c[i]=a[i];
    }
    int b[100]={0};
    int k=0,m=0;
    for (i=0;i<n;i++)
    {
       while (a[i]>0)
      {
        k=a[i]%10;
        a[i]=a[i]/10;
        b[i]+=k;
      }
    }

    for (j=1;j<n;j++)
    {
        for (i=0;i<n-j;i++)
        {
            if (b[i]>b[i+1])
            {

                m=b[i];
                b[i]=b[i+1];
                b[i+1]=m;
                t=c[i];
                c[i]=c[i+1];
                c[i+1]=t;
            }
        }
    }
    for (i=0;i<n;i++)
    {
        printf("%d ",c[i]);
    }
    printf("\n");
    }

}