Submission #1235174

#	Time	Username	Problem	Language	Result	Execution time	Memory
1235174		ceresna	Infinite Race (EGOI24_infiniterace2)	C++20	100 / 100	23 ms	464 KiB

Main

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

int main()
{
    cin.tie(0);
    ios_base::sync_with_stdio(false);

    long long n, q;
    cin >> n >> q;

    vector<bool> bezci(n, false); // false ak su pred, true ak su za
    long long lap = 0;

    for (long long i = 0; i < q; i++)
    {
        long long a;
        cin >> a;

        if (a < 0) bezci[-a] = false;
        else if (bezci[a])
        {
            bezci.clear();
            bezci.resize(n, false);
            bezci[a] = true;
            lap++;
        }
        else bezci[a] = true;
    }

    cout << lap << '\n';
    return 0;
}

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