Submission #1369808

#	Time	Username	Problem	Language	Result	Execution time	Memory
1369808		053thousand	Infinite Race (EGOI24_infiniterace2)	C++20	100 / 100	31 ms	1184 KiB

Main

#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c,d,e,f,ans=1;
	int ah[200005];
	cin>>a>>b;
	for(int i=0;i<b;i++){
		cin>>c;
		if(c>0){
			if(ah[c]==ans) ans++;
			ah[c]=ans; 
		}
		else ah[-c]=0;
	}
	cout<<ans-1;
}

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