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#include <iostream>
#include <fstream>
#include <ctime>
#include <cstdlib>
using namespace std;
ifstream f("sdo.in");
ofstream g("sdo.out");
int n,k,a[3000005];
int partitionare(int st,int dr)
{
int i,j,pivot;
swap(a[st+rand()%(dr-st+1)],a[dr]);
pivot=a[dr];
j=st-1;
for(i=st;i<=dr;i++)
{
if(a[i]<=pivot)
{
j++;
swap(a[i],a[j]);
}
}
return j;
}
int statistica(int st,int dr)
{
int poz=partitionare(st,dr);
if(poz==k)
{
return a[k];
}
else
{
if(poz<k)
{
return statistica(poz+1,dr);
}
else
{
return statistica(st,poz-1);
}
}
}
int main()
{
int i;
srand(time(NULL));
f>>n>>k;
for(i=1;i<=n;i++)
{
f>>a[i];
}
g<<statistica(1,n);
return 0;
}