제출 #924851

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
924851		VMaksimoski008	Balloons (CEOI11_bal)	C++14	0 / 100	218 ms	5156 KiB

bal

#include <bits/stdc++.h>
using namespace std;
using pdd = pair<double, double>;

int32_t main() {
    int n;
    cin >> n;

    vector<pdd> v(n);
    for(pdd &x : v) cin >> x.first >> x.second;

    stack<int> st;
    for(int i=0; i<n; i++) {
        while(!st.empty() && v[st.top()].second <= v[i].second) st.pop();
        if(!st.empty()) v[i].second = min(v[i].second, (v[st.top()].first - v[i].first) * (v[st.top()].first - v[i].first) / (4 * v[st.top()].second));
        st.push(i);
        cout << setprecision(3) << fixed << v[i].second << '\n';
    }

    return 0;
}

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