成绩的有效输入

#include "stdio.h"
void main()
{
    int score;
    printf("请输入你的成绩：");
    scanf("%d",&score);
    for (score;score<=100;score++)
    {
        if(score<0||score>100)
        {
            printf("您输入有误，请重新输入");
        }else break;
        printf("%d",score);
    }
}