Question

How to create and use array in C++

Answer 1

#include <iostream>
#include <array>

int main()
{
	std::array<int, 10> arr = { 1, 2, 3, 4, 5 };

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

	arr.back() = 999;
	arr[arr.size() - 2] = 888;

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

	return 0;
}

/*
run:

1 2 3 4 5 0 0 0 0 0
1 2 3 4 5 0 0 0 888 999

*/

 

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