Submission #1148223

#	Time	Username	Problem	Language	Result	Execution time	Memory
1148223		Faisal_Saqib	Infinite Race (EGOI24_infiniterace2)	C++20	100 / 100	87 ms	9804 KiB

Main

#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n,q,x,ans=0;
	cin>>n>>q;
	set<int> cnt;
	while(q--)
	{
		cin>>x;
		if(x>0)
		{
			if(cnt.find(x)!=cnt.end())
				ans++,cnt.clear();
			cnt.insert(x);
		}
		else cnt.erase(-x);
	}
	cout<<ans;
}

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