Submission #166212

#	Time	Username	Problem	Language	Result	Execution time	Memory
166212		Dovran	Weighting stones (IZhO11_stones)	C++11	0 / 100	1067 ms	880 KiB

stones

#include <bits/stdc++.h>
#define N 100009
#define pii pair <int, int>
#define ff first
#define ss second
#define pb push_back
#define ll long long

using namespace std;

int n, v[N], c[N];
vector<int>a, b;
int r, l;

int main(){
	cin>>n;
	for(int i=1; i<=n; i++){
		int x, y;
		cin>>x>>y;
		if(y==1){
			a.pb(x), l=max(l, x);
			for(int j=x; j>=1; j--)
				c[j]--;
		}
		else{
			b.pb(x), r=max(r, x);
			for(int j=x; j>=1; j--)
				c[j]++;
		}
		
		int mn=1e9, mx=0;
		for(int j=n; j>=1; j--){
			mn=min(mn, c[j]);
			mx=max(mx, c[j]);
		}
		if(l>r and mx<=0)
			cout<<">\n";
		else if(r>l and mn>=0)
			cout<<"<\n";
		else
			cout<<"?\n";
	}
}

• Subtask 1: 0 / 100