#include <stdio.h>
int main ()
{
int num=0;
int tep=0;/存放临时取余的结果/
int div;/存放临时除法的结果/
int data[10]={0}; /存放 0-9 出现的次数/
int j=0;/用来遍历数组的元素,输出对应元素的出现次数/
int sum=0; /记录输入的数有几位/
printf(“Please enter the number:”);
scanf("%d",&num);
/兼容正负号/
if(num<0) num = (-1)*num;
else num = num;
while(1)
{
tep = num%10;
/对应的数组+1/
data[tep]++;
num /= 10;
div = num;
sum++;
if(div == 0) break;
}
printf("%d \n",sum);
for(j=0;j<10;j++)
{
if(data[j] != 0)
printf("%d appear %d\n",j,data[j]);
}
}