Submission #1240766

#	Time	Username	Problem	Language	Result	Execution time	Memory
1240766		aren_dance	Infinite Race (EGOI24_infiniterace2)	C++20	100 / 100	208 ms	480 KiB

Main

#include <bits/stdc++.h>
using namespace std;
const int N=5e5;
int a[N];
bitset<N> fl;
int main()
{
    int n,k;
    cin>>n>>k;
    int answ=0;
    while(k--){
        int x;
        cin>>x;
        if(x<0){
            fl[-x]=0;
            continue;
        }
        if(fl[x]==0){
            fl[x]=1;
            continue;
        }
        answ++;
        fl&=0;
        fl[x]=1;
    }
    for(int i=0;i<=n;++i){
        answ=max(answ,a[i]);
    }
    cout<<answ;
    return 0;
}

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