Cod sursa(job #2857073)

Utilizator xXoctavianXxStanescu Matei Octavian xXoctavianXx Data 24 februarie 2022 20:24:19
Problema Statistici de ordine Scor 50
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.77 kb
#include <bits/stdc++.h>

using namespace std;

ifstream fin("sdo.in");
ofstream fout("sdo.out");

int n,k;
vector<int> v;

int sdo(vector<int> &val, int p)
{
    int nr=val[0],bigger=0,smaller=0;
    vector<int> vbigger,vsmaller;
    for(int i=1; i<val.size(); i++)
    {
        int x=val[i];
        if(x<=nr)
        {
            smaller++;
            vsmaller.push_back(x);
        }
        else
        {
            vbigger.push_back(x);
            bigger++;
        }
    }
    smaller++;
    if(p<smaller) return sdo(vsmaller,p);
    else if(p>smaller) return sdo(vbigger,p-smaller);
    else return val[0];
}

int main()
{
    fin>>n>>k;
    v.resize(n);
    for(int i=0; i<n; ++i) fin>>v[i];
    fout<<sdo(v,k);
    return 0;
}