l3_5.cpp

《C++程序设计教程》电子教案及例题源码

#include <iostream.h>
void main()
{
	int s,i;
	cout << "请输入成绩";
	cin >> s;
	i = s/10;
	switch(i)
	{
	case 9:
	case 10:	cout << "优 " << endl;
				break;
	case 8:		cout << "良 " << endl;
				break;
	case 7:		cout << "中 " << endl;
				break;
	case 6:		cout << "及格 " << endl;
				break;
	default:	cout << "不及格 " << endl;

	}
}