[ZJ]a307: NOIP2011 1.数字反转

題目：
http://zerojudge.tw/ShowProblem?problemid=a307
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#include <bits/stdc++.h>
using namespace std ;
int main() {
long long int in0 ;
  while (cin >>in0 ){
  if(in0 < 0)
  {
  in0 = -in0;
printf("-");
}

if (in0==0 ){
  cout << 0 ;
  break;
}
  while (in0%10==0&&in0>0){
  in0/=10;
  }
  while (in0){
  cout <<in0%10 ;
  in0/=10 ;
}
cout <<endl ;
}
return 0;
}