Submission #464023

#	Time	Username	Problem	Language	Result	Execution time	Memory
464023		dutch	Balloons (CEOI11_bal)	C++17	100 / 100	228 ms	8648 KiB

bal

#include <bits/stdc++.h>
using namespace std;

signed main(){
	cin.tie(0)->sync_with_stdio(0);
	int n; cin >> n;
	int x[n], st[n+1], *p = st;
	double y[n];

	for(int i=0; i<n; ++i){
		cin >> x[i] >> y[i];
		while(p != st){
			y[i] = min(y[i], pow(x[*p]-x[i], 2)/(4.0*y[*p]));
			if(y[*p] < y[i]) --p;
			else break;
		}
		*(++p) = i;
		cout << fixed << setprecision(4) << y[i] << '\n';
	}
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10