Submission #465946

#	Time	Username	Problem	Language	Result	Execution time	Memory
465946		MohamedFaresNebili	Balloons (CEOI11_bal)	C++14	100 / 100	790 ms	5476 KiB

bal

#include <bits/stdc++.h>
#include "iomanip"

using namespace std;
const long double EPS = 1e-9;

int main()
{
    typedef long double ld;
    int n; cin>>n; stack<pair<ld, ld>>s;
    for(int l=0;l<n;l++) {
        ld x, r; cin>>x>>r;
        while(!s.empty()) {
            ld x1=s.top().first, r1=s.top().second;
            r=min(r, (x-x1)*(x-x1)/(4.0*r1));
            if(r>=r1) s.pop();
            else break;
        }
        cout<<setprecision(3)<<fixed<<r<<'\n'; s.push({x, r});
    }
}

• 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