题解 | #班级成绩输入输出#

#include <iostream>
using namespace std;
int main()
{
	float num=0;
	float sum=0;
	float Grade[5][5];
	int i = 0;
	int j = 0;
	for (i=0; i < 5; i++)
	{
		for (j=0; j < 5; j++)
		{
			cin >> num;
			Grade[i][j] = num;
		}
	}
	for (i=0; i < 5; i++)
	{
		for (j = 0; j < 5; j++)
		{
			sum += Grade[i][j];
			printf("%.1f ", Grade[i][j]);
			if (j == 4)
			{
				printf("%.1f\n", sum);
				sum = 0;
			}
		}
				
	}
	return 0;
}