2017/10/26

判斷成績等第.cpp

#include <iostream>
using namespace std;

int main()
{
	int score;
	
	cout << "輸入非0~100的數來退出\n";
	
	
	while (true){
		cout << "\n\n請輸入成績來判別等第:\n";
		cin >> score;
		if (score<60 && score>=0){
			cout << "成績是 丁 等(不及格)";
		} else if (score<70 && score>=60){
			cout << "成績是 丙 等";
		} else if (score<80 && score>=70){
			cout << "成績是 乙 等";
		} else if (score<90 && score>=80){
			cout << "成績是 甲 等";
		} else if (score<=100 && score>=90){
			cout << "成績是 優 等";
		} else {
			break;
		} 
	}
	
	
	cout <<"\n\n感謝您的使用，再見!";
    return 0;
}