Question

How to get array length with sizeof in C++

Answer 1

#include <iostream>

using std::cout;
using std::endl;

int main()
{
	const int arr[] = { 4, 8, 7, 9, 1 };

	const int len = sizeof(arr) / sizeof(arr[0]);

	cout << len << endl;

	return 0;
}

/*
run:

5

*/

 

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