// Using the STL generic reverse algorithm with an array.
#include <iostream.h>
#include <algo.h> // for reverse algorithm
#include <assert.h>
#include <string.h>

int main()
{
  cout << "Using reverse algorithm with an array" << endl;

  char string1[] = "mark twain";

  int N1 = strlen(string1);

  reverse(&string1[0], &string1[N1]);

  assert(strcmp(string1, "niawt kram") == 0);
}