CODE EXAMPLE FOR CPP

how to erase a certain value from a vector in C++

#include <vector>
#include <algorithm>
#include <iostream>

int main()
{
	//C++20 std::erase function wraps erase-remove idiom

	std::vector<int> ivec{ 1, 5, 7, 2, 1, 3, 1, 7, 1 };
	auto n = erase(ivec, 1); //ADL
	std::cout << n << " elements erased
";
	for (auto i : ivec)
		std::cout << i << ' ';
}