#include <set>
using namespace std;

int main()
{
	// 집합 선언
	set<int> s;

	// element 추가 (default 오름차순 정렬)
	s.insert(elem);
}

www.cplusplus.com/reference/set/set/

 

set - C++ Reference

difference_typea signed integral type, identical to: iterator_traits ::difference_type usually the same as ptrdiff_t

www.cplusplus.com

 

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