杭电2023题

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#include<stdio.h>
int main()
{
    int i,j;
    double a[55][10],b[55],c[10],n,m; //注意数据类型的使用

    while(scanf("%lf%lf\n",&n,&m)!=EOF)
    {
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=m;j++)
                scanf("%lf",&a[i][j]);
        }
        for(i=1;i<=n;i++)
        {
            int s1=0;
            for(j=1;j<=m;j++)
                s1=s1+a[i][j];
            b[i]=s1/m;
        }
        for(j=1;j<=m;j++)
        {
            int s2=0;
            for(i=1;i<=n;i++)
                s2=s2+a[i][j];
            c[j]=s2/n;
        }
        int k=0;
        for(i=1;i<=n;i++)
        {
            int w=0;
            for(j=1;j<=m;j++)
            {
                if(a[i][j]>=c[j])
                    w=w+1;
                else
                    break;
            }
            if(w==m)
                k=k+1;
        }
        printf("%.2lf",b[1]);
        if(n>1)

{
        for(i=2;i<=n;i++)
            printf(" %.2lf",b[i]);

}
        printf("\n");
        printf("%.2lf",c[1]);
        if(m>1)

{
        for(j=2;j<=m;j++)
            printf(" %.2lf",c[j]);

}
        printf("\n");
        printf("%d\n",k);
        printf("\n");
    }
    return 0;
}