Question

How to remove all elements with specific value from a set in C++

Answer 1

#include <iostream>
#include <set>
#include <algorithm>

int main()
{
	std::set<int> st = { 1, 2, 3, 4, 5, 3, 6, 3 };

	st.erase(3);

	st.erase(3);

	for (auto elem : st) {
		std::cout << elem << ' ';
	}
	std::cout << std::endl;
	
	return 0;
}

/*
run:

1 2 4 5 6

*/

 

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