📅  最后修改于: 2022-03-11 15:04:39.484000             🧑  作者: Mango
#include
int main()
{
int grade,ans;
printf("Enter your grade:\n");
scanf("%d",&grade);
ans = (grade<=75?(grade<=100?printf("A."):printf("Fail.")):(grade>=59?(grade<=74?printf("B."):printf("Fail."));));
return 0;
}