Submission #1309550

#	Time	Username	Problem	Language	Result	Execution time	Memory
1309550		Newtonabc	Infinite Race (EGOI24_infiniterace2)	C++20	29 / 100	43 ms	580 KiB

Main

#include<bits/stdc++.h>
using namespace std;
const int N=2e5+10;
bool st[N];
int cnt[N];
int main(){
    int n,q;
    cin>>n >>q;
    while(q--){
        int x;
        cin>>x;
        if(x<0){
            x=-x;
            st[x]=0;
        }
        else{
            if(st[x]==0) st[x]=1;
            else cnt[x]++;
        }
    }
    //for(int i=1;i<=n;i++) cout<<cnt[i] <<" ";
    cout<<*max_element(cnt+1,cnt+n+1);
}

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