题解 | #班级成绩输入输出#

#include <stdio.h>

int main() {
    float a[5][5];
    float sum = 0.0;
    for (int i = 0; i < 5; i++) {
        sum = 0;
        for (int j = 0; j < 5; j++) {
            scanf("%f ", &a[i][j]);

            sum += a[i][j];
            printf("%.1f ", a[i][j]);
        }
        printf("%.1f\n", sum );
    }
    return 0;
}