Submission #1059315

#	Time	Username	Problem	Language	Result	Execution time	Memory
1059315		ssitaram	Balloons (CEOI11_bal)	C++17	100 / 100	103 ms	11860 KiB

bal

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

typedef long double ld;

struct bal {
	ld x, r;
};

ld sq(ld v) { return v * v; }

int main() {
	ios::sync_with_stdio(0);
	cin.tie(nullptr);
	cout << fixed << setprecision(3);
	int n; cin >> n;
	vector<bal> ball(n);
	for (bal& b : ball) cin >> b.x >> b.r;
	stack<bal> pre;
	for (bal& b : ball) {
		while (!pre.empty()) {
			b.r = min(b.r, sq(b.x - pre.top().x) / (4 * pre.top().r));
			if (b.r < pre.top().r) break;
			pre.pop();
		}
		pre.push(b);
		cout << b.r << '\n';
	}
	return 0;
}

• 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