Question

How to swap two array objects in C++

Answer 1

#include <iostream>
#include <array>
 
int main ()
{
  std::array<int, 5> first = {1, 2, 3, 4, 5};
  std::array<int, 5> second = {6, 7, 8, 9, 0};
   
  first.swap(second);
 
  for (int &n : first) std::cout << n << ", ";
  std::cout << '\n';
 
  for (int &n : second) std::cout << n << ", ";
 
  return 0;
}
   
   
   
/*
run:
   
6, 7, 8, 9, 0, 
1, 2, 3, 4, 5, 
    
*/

 

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