// 2.cpp : Defines the entry point for the console application.// 整数反序输出#include "stdafx.h"#include "iostream.h"   void main ()   {      int a,b,c;      cin>>a;      b=0;      do{        c=a%10;         a=a/10;        b=b*10+c;      }while(a);  //做判断      cout<<b<<endl;   }