Submission #1326240

#	Time	Username	Problem	Language	Result	Execution time	Memory
1326240		AzamatRustamov	Infinite Race (EGOI24_infiniterace2)	C++20	29 / 100	42 ms	420 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main() {
	int n, q;
	cin >> n >> q;
	vector<bool> cntr(n);
	int laps = 0;
	while (q--) {
		int x;
		cin >> x;
		if (x > 0) {
			if (cntr[x])
				laps++;
			else
				cntr[x] = 1;
		} else if (cntr[abs(x)]) {
			cntr[abs(x)] = 0;
		}
	}
	cout << laps;
}

• Subtask 1: 29 / 29
• Subtask 2: 0 / 34
• Subtask 3: 0 / 22
• Subtask 4: 0 / 15