fork download
copy 
  1. #include <iostream>
  2.  
  3. template <typename Iter>
  4. void reverse(Iter first, Iter last)
  5. {
  6.     while (first != last && first != --last) {
  7.         std::swap(*first, *last);
  8.         first++;
  9.     }
  10. }
  11.  
  12. int main()
  13. {
  14.     std::string str("12345");
  15.     reverse(str.begin(), str.end());
  16.     std::cout << str;
  17.     return 0;
  18. }
Success #stdin #stdout 0s 3028KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
54321
https://ideone.com/QqnVOb
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!