输入成绩查看等级

输入成绩查看等级

#include<stdio.h>

int main(void)

{

    intscore;

    chargrade;

    while(1)

    {

    printf("请输入成绩！！\n");

    scanf("%d",&score);

    if(score>=90)

        grade='A';

    if(score>=80&& score<90)

        grade='B';

    if(score>=70&&score<80)

        grade='C';

    if(score>=60&&score<70)

        grade='D';

    if(score>=50&&score<60)

        grade='E';

    if(score>=40&&score<50)

        grade='F';

    printf("您的分数：%d,等级：%c\n",score,grade);

    }

    return0;

}