Submission #1276227

#	Time	Username	Problem	Language	Result	Execution time	Memory
1276227		Almonther	Infinite Race (EGOI24_infiniterace2)	C++20	0 / 100	13 ms	5128 KiB

Main

#include<bits/stdc++.h>

#define ll long long
#define co cout<<

using namespace std;
// stuff

void solve(){
    ll n,q;
    cin>>n>>q;
    ll a[n+5]={},ans[n+5]={},mx=0,ex[n+5]={};
    memset(a,-1,sizeof(a));
    while(q--){
        ll x;
        cin>>x;
        if(x<0){
            x=-x;
            if(a[x]==0) ex[x]++;
            a[x]=0;
        }
        else{
            ans[x]+=ex[x];
            ex[x]=0;
            if(a[x]==1) ans[x]++;
            a[x]=1;
        }
        mx=max(mx,ans[x]);
    }

    co mx;
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int _=1;
    // cin>>_;
    while(_--) solve();
}

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