例7-1

#include<stdio.h>
int main(void)
{
    int count[9];
    int i,response;

    for(i=1;i<=8;i++)
        count[i]=0;
    for(i=1;i<=1000;i++){
        printf("input your response:");
        scanf_s("%d",&response);
        if(response<1||response>8)
            printf("this is a bad response:%d
",response);
        else
            count[response]++;
    }

    printf("result:
");
    for(i=1;i<=8;i++)
        printf("%4d%4d
",i,count[i]);

    return 0;
}