Question

How to sum array elements in C++

Answer 1

#include <iostream>
#include <array>
#include <numeric>

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

	int sum = accumulate(arr.begin(), arr.end(), 0);

	std::cout << sum << std::endl;

	return 0;
}

/*
run:

15

*/

 

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