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Cod sursa(job #648233)
#include<iostream>
#include<fstream>
using namespace std;
int n,k,i,a[100000000];
int compara(const void * a, const void * b)
{
return (*(int*)a - *(int*)b);
}
int main()
{
ifstream f("sdo.in",ios::in);
ofstream g("sdo.out",ios::out);
f>>n;
f>>k;
for(i=0;i<n;i++)
f>>a[i];
qsort(a,k,sizeof(int),compara);
g<<a[k];
f.close();
g.close();
return 0;
}