Submission #269801

#	Time	Username	Problem	Language	Result	Execution time	Memory
269801		stefantaga	Balloons (CEOI11_bal)	C++14	100 / 100	259 ms	15352 KiB

bal

#include <bits/stdc++.h>

using namespace std;
pair <long double,long double> centru[200005],p1;
long double raza[200005];
struct wow
{
    long double loc,raza;
}v[200005];
long double dist (pair <long double , long double> p1, pair <long double,long double> p2)
{
    return (p1.first-p2.first)*(p1.first-p2.first)+(p1.second-p2.second)*(p1.second-p2.second);
}
long double raza1 (long double poz,int ind)
{
    return ((poz-v[ind].loc)*(poz-v[ind].loc))/(4*raza[ind]);
}
int n,i;
long double st,dr,mij,sol,minim;
deque <int> d;
int main()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(0);
    #ifdef HOME
    ifstream cin("date.in");
    ofstream cout("date.out");
    #endif // HOME
    cin>>n;
    for (i=1;i<=n;i++)
    {
        cin>>v[i].loc>>v[i].raza;
        minim=v[i].raza;
        while (!d.empty())
        {
            minim=min(minim,raza1(v[i].loc,d.back()));
            if (minim>raza[d.back()])
            {
                d.pop_back();
            }
            else
            {
                break;
            }
        }
        raza[i]=minim;
        d.push_back(i);
    }
    for (i=1;i<=n;i++)
    {
        cout<<fixed<<setprecision(3)<<raza[i]<<'\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