题解 | #判断成绩等级#

#include using namespace std;

int main() {

int score;
cin >> score;

// write your code here......
cout<<(score>100?"成绩不合法":(score>=90?"优秀":(score>=80?"良":(score>=70?"中":(score>=60?"及格":(score>=0?"差":"成绩不合法"))))));

return 0;

}