#include <stdio.h>
#include <math.h>
 
int main()
{
	int a,b,c,d;
	int count = 1;
	printf("请输入一个不多于5位的正整数：");
	scanf("%d",&a);
	c = a;
	printf("逆序：");
	while(c / 10 != 0)
	{
		count++;
 
		b = c % 10;
		printf("%d",b);
		c = c / 10;	
	}	
	b = c % 10;
	printf("%d\n",b);
	printf("位数是：%d\n",count);
	printf("各位数字分别为：");
	while(a % 10 != 0)
	{
		d = a / (int)pow(10,(count-1));
		printf("%d ",d);
		a = a % (int)pow(10,count-1);
		count--;
	}
	return 0;
}