班级成绩输入输出

```#include<stdio.h>
int main()
{
    float sum = 0;
    float score = 0;
    for(int i=0;i<5;i++)
    {
        for(int j=0;j<5;j++)
        {
            scanf("%f",&score);
            sum += score;
            printf("%.1f ",score);
        }
        printf("%.1f\n",sum);
        sum = 0;
    }
    return 0;
}