Submission #1094899

#	Time	Username	Problem	Language	Result	Execution time	Memory
1094899		raphaelp	Infinite Race (EGOI24_infiniterace2)	C++14	100 / 100	42 ms	2644 KiB

Main

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int N, M;
    cin >> N >> M;
    vector<int> Tab(N, -1);
    int tot = 0, last = 0;
    for (int i = 1; i <= M; i++)
    {
        int x;
        cin >> x;
        if (x > 0)
        {
            if (Tab[x] >= last)
            {
                last = i;
                tot++;
            }
            Tab[x] = i;
        }
        else
        {
            Tab[-x] = -1;
        }
    }
    cout << tot;
}

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