A18379. 下面程序可以正确计算并输出3名学生的平均成绩。struct Student { int id; int score; }; int main() { Student students[3] = { {1, 90}, {2, 80}, {3, 100} }; int sum = 0; for (int i = 0; i < 3; i++) { sum += students[i].score; }…

下面程序可以正确计算并输出3名学生的平均成绩。

struct Student {
	int id;
	int score;
};
int main() {
	Student students[3] = { 
	    {1, 90}, 
	    {2, 80}, 
	    {3, 100}
	};
	int sum = 0;
	for (int i = 0; i < 3; i++) {
		sum += students[i].score;
	}
	double average = sum / 3.0;
	cout << average << endl;
	return 0;
}