题解 | #班级成绩输入输出#

#include <stdio.h>

int main()
{
    double a[5][5];
    double sum[5]= {0};

    for (int i = 0; i < 5; i ++ )
    {
        for (int j = 0; j < 5; j ++ )
        {
            scanf("%lf", &a[i][j]);
            sum[i] += a[i][j];
        }
    }

    for (int i = 0; i < 5; i ++ )
    {
        for (int j = 0; j < 5; j ++ )
        {
            printf("%.1lf ", a[i][j]);
        } 
        printf("%.1lf\n", sum[i]);
    }
            
    return 0;
}