Submission #1120101

#	Time	Username	Problem	Language	Result	Execution time	Memory
1120101		ezzzay	Infinite Race (EGOI24_infiniterace2)	C++14	100 / 100	55 ms	2636 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
int mp[N], urd[N];
int pm[N];
signed main(){
    int n,q;
    cin>>n>>q;
    int ans=0;
    while(q--){
        int x;
        cin>>x;
        if(x>0){
            mp[x]=max(mp[x]+1,ans+1);
            if(mp[x]==ans+2){
                ans++;
            }
        }
        else{
            
            mp[-x]=ans;
        }
    }
    cout<<ans;
}

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