Submission #1047134

#	Time	Username	Problem	Language	Result	Execution time	Memory
1047134		EntityPlantt	Infinite Race (EGOI24_infiniterace2)	C++17	100 / 100	53 ms	9768 KiB

Main

#include <iostream>
#include <set>
using namespace std;

signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	int n, q, l = 0, x;
	set <int> s;
	cin >> n >> q;
	while (q--) {
		cin >> x;
		if (x < 0) s.erase(-x);
		else {
			if (s.count(x)) {
				l++;
				s.clear();
			}
			s.insert(x);
		}
	}
	cout << l;
	return 0;
}

• Subtask 1: 29 / 29
• Subtask 2: 34 / 34
• Subtask 3: 22 / 22
• Subtask 4: 15 / 15