题解 | #数字颠倒#
数字颠倒
http://www.nowcoder.com/practice/ae809795fca34687a48b172186e3dafe
除数取余法，很简单。
# include<iostream>
using namespace std;
int main()
{
int n;
scanf("%d", &n);
int num;
do
{
num = n%10;
printf("%d",num);
n/=10;
}while(n);
return 0;
}