#include <stdio.h>
#include <string.h>
int main ()
{
    double a[50][5],k[50],g[5];
    int m,n,x,i,j,f;
    double b1,b2;
    while (scanf ("%d",&n)!=EOF)
    {
        memset(k,0,sizeof(k));
        memset(g,0,sizeof(g));
        memset(a,0,sizeof(a));
        b1=0;b2=0;x=0;f=0;
        scanf ("%d",&m);
        for (i=0;i<n;i++)
            for (j=0;j<m;j++)
                scanf ("%lf",&a[i][j]);
        for (i=0;i<n;i++)
        {b1=0;
            for (j=0;j<m;j++)
                b1+=a[i][j];
            k[i]=b1/m;
        }
        for (i=0;i<m;i++)
        {b2=0;
            for (j=0;j<n;j++)
                b2+=a[j][i];
            g[i]=b2/n;
        }
        for (i=0;i<n;i++)
            {
                x=0;
            for (j=0;j<m;j++)
                {
                    if(a[i][j]<=g[j])
                    x+=1;
                    if (x==m)
                    f+=1;
                 }
             }
        for (i=0;i<n;i++)
            printf ("%.2lf ",k[i]);
            printf ("\n");
            for (i=0;i<m;i++)
            printf ("%.2lf ",g[i]);
            printf ("\n");
            printf ("%d \n",n-f);
    }
    return 0;
}

这个程序测试数据好像没问题呀，有什么缺陷吗？