题解 | #班级成绩输入输出#

#include<stdio.h>
int main()
{
	double arr[5][5] = { 0 };
	for (int i = 0; i < 5; i++)
	{
		for (int j = 0; j < 5; j++)
		{
			scanf("%lf", &arr[i][j]); 
		}
	}

	for (int i = 0; i < 5; i++)
	{
		double sum = 0.0;
		for (int j = 0; j < 5; j++) 
		{
			printf("%.1lf ", arr[i][j]);   
			sum += arr[i][j];    
		}
		printf("%.1lf\n", sum);   
	}

	return 0; 
}