C语言怎么判断一个数是否是回文数?

题目

C语言怎么判断一个数是否是回文数?

答案

#include
int main()
{
int num,temp;
int sum=0;
printf("Please input a number:");
scanf("%d",&num);
temp=num;
while(num)
{
sum = sum*10 + num%10;
num /= 10;
}
if(temp == sum)
printf("yes ");
else
printf("no ");
return 0;
}