Question

How to copy elements to same array in reverse order in C++

Answer 1

#include <iostream>  
#include <array>  

int main()
{
	std::array<int, 5> arr = { 1, 2, 3, 4 };

	std::reverse_copy(arr.begin(), arr.end(), std::ostream_iterator<int>(std::cout, " "));


	for (auto elem : arr) {
		std::cout << elem << ' ';
	}

	std::cout << std::endl;

	return 0;
}

/*
run:

0 4 3 2 1 1 2 3 4 0

*/

 

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