loops.cpp
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	#include <array>
	#include <vector>

	int main() {

	std::vector<int> vec(10);
	for (int i = 0; i < 10; ++i) {
	vec[i] = 10;
	}

	std::array<int, 10> array;
	for (int i = 0; i < 10; ++i) {
	array[i] = 10;
	}

	{
	// vector loop with iterators
	std::vector<int>::iterator it = vec.begin();
	std::vector<int>::iterator end = vec.end();
	for (; it != end; ++it) {
	*it = 10.;
	}
	}

	{
	// with the auto
	auto it = vec.begin();
	auto end = vec.end();
	for (; it != end; ++it) {
	*it = 10.;
	}
	}

	{
	// with the range loop
	for (auto &v : vec) {
	v = 10.;
	}
	}
	}