Submission #1319840

#	Time	Username	Problem	Language	Result	Execution time	Memory
1319840		Jawad_Akbar_JJ	Weighting stones (IZhO11_stones)	C++20	0 / 100	0 ms	332 KiB

stones

#include <iostream>

using namespace std;
int pre[1<<17];

int main(){
	int n;
	cin>>n;

	for (int i=1, a, b;i<=n;i++){
		cin>>a>>b;
		for (int j=a;j>=1;j--)
			pre[j] += (b == 1 ? 1 : -1);
		int mx = 0, mn = 0;
		for (int j=a;j>=1;j--)
			mx = max(mx, pre[j]), mn = min(mn, pre[j]);
		if (mn == 0)
			cout<<'>';
		else if (mx == 0)
			cout<<'<';
		else
			cout<<'?';
		cout<<'\n';
	}

}

• Subtask 1: 0 / 100