Submission #1131637

#	Time	Username	Problem	Language	Result	Execution time	Memory
1131637		monostack	Balloons (CEOI11_bal)	C++20	10 / 100	280 ms	2516 KiB

bal

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

#define ld long double

int main(){
    cout<<fixed<<setprecision(3);

    int n; cin>>n;
    vector<long double> ans;
    stack<pair<int,long double>> ms;
    for(auto i = 0; i < n; i++){
        int x,r; cin>>x>>r;
        ld r_ = r;
        while(ms.size()){
            r_ = ((ld)(x - ms.top().first)*(ld)(x - ms.top().first))/((ld)4*ms.top().second);
            if(r_ < r) ms.pop();
            else break;
        }
        r_ = min(r_, r+0.000l);
        ms.push({x,r_});
        cout<<ms.top().second<<'\n';
    }
}

• Subtask 1: 0 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10