C语言编程？

Question

如题所述

Answer 1

#include<stdio.h>
int main()
{
int n;
scanf("%d",&n);
if(n>=90)
printf("A");
else if(n>=80&&n<=89)
printf("B");
else if(n>=70&&n<=79)
printf("C");
else if(n>=60&&n<=69)
printf("D");
else if(n<60)
printf("E");
return 0;
}本回答被网友采纳