제출 #403049

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
403049		SirCovidThe19th	Balloons (CEOI11_bal)	C++14	0 / 100	724 ms	2020 KiB

bal

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

int main(){
    
    int n; cin >> n;
    //pos, rad
    stack<pair<long double, long double>> stack;
    for (int i = 0; i < n; i++){
        long double loc, sz; cin >> loc >> sz;
        while (!stack.empty()){
            sz = min(sz, (loc*loc)/(4*stack.top().second));
            if (sz >= stack.top().second) stack.pop();
            else break;
        }
        stack.push({loc, sz});
        cout<<fixed<<setprecision(3)<<sz<<endl;
    }
}

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