Using the STL generic reverse algorithm with a string and assert the correctness : assert « Development « C++ Tutorial

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#include <iostream>
#include <string>
#include <cassert> 
#include <algorithm> // For reverse algorithm
using namespace std;

int main()
{
  string string1 = "abc";
  reverse(string1.begin(), string1.end());
  assert (string1 == "cba");
  

  return 0;
}