Submission #1260098

#	Time	Username	Problem	Language	Result	Execution time	Memory
1260098		2012sila	Infinite Race (EGOI24_infiniterace2)	C++20	29 / 100	10 ms	1864 KiB

Main

#include <bits/stdc++.h>
using namespace std;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n,q,ans=0,x;
    cin >> n >> q;
    vector <int> a(q);
    vector <int> b(q);
    while(q--){
        cin >> x;
        if(x<0){
            b[-x]=0;
            a[-x]=max(a[-x],ans);
        }
        else{
            if(b[x]==1){
                a[x]=max(a[x], ans-1);
                a[x]++;
                ans=max(ans, a[x]);
            }
            b[x]=1;
        }
    }
    cout << ans << "\n";
}

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