C语言-郝斌笔记-004判断是否为回文数

 1 # include <stdio.h>
 2 
 3 int main(void)
 4 {
 5     int val; //存放待判断的数字
 6     int m;
 7     int sum = 0;
 8 
 9     printf("请输入您需要判断的数字:  ");
10     scanf("%d", &val);
11 
12     m = val;
13     while (m)
14     {
15         sum = sum * 10 + m%10;
16         m /= 10;
17     }
18 
19     if (sum == val)
20         printf("Yes!\n");
21     else
22         printf("No!\n");
23 
24     return 0;
25 }