编辑代码

#include <stdio.h>
int main()
{
    const int number=10;
    int x;
    int i;
    int count[number];
    for(i=0;i<number;i++){
        count[i]=0;
    } 
    scanf("%d",&x);
    while(x!=-1){
        if(x>=0&&x<=9){
            count[x]++;
        }
        scanf("%d",&x);
    }
    for(i=0;i<number;i++){
        printf("%d:%d\n",i,count[i]);
    }   
}