Submission #1351332

#	Time	Username	Problem	Language	Result	Execution time	Memory
1351332		trigon	Infinite Race (EGOI24_infiniterace2)	C++20	0 / 100	0 ms	344 KiB

Main

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin >> n;
    vector<int> ahead(n,true);
    int q;
    cin >> q;
    int ans=0;
    int state=0;
    while(q--){
        int x;
        cin >> x;
        if(x>0){
            if(ahead[x]==true) ans++;
            ahead[x]=true;        
        }
        else{
            ahead[x]=false;
        }
    }
    cout<<ans<<"\n";
}

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