成绩转换 （C语言代码）

解题思路:





注意事项:





参考代码:

#include<stdio.h>
int main()
{
    int score;
    while(scanf("%d",&score)!=EOF)
    {
        if(score>=90&&score<=100)
            printf("A\n");
        else if(score>=80&&score<=89)
            printf("B\n");
        else if(score>=70&&score<=79)
            printf("C\n");
        else if(score>=60&&score<=69)
            printf("D\n");
        else if(score>=0&&score<=59)
            printf("E\n");
        else
            printf("Score is error!\n");
    }
    return 0;
}