백준 11004번 : K번째 수

cpp

#include <bits/stdc++.h>
using namespace std;

int main(){
  ios::sync_with_stdio(0);
  cin.tie(0);
  
  int n, k, num;
  vector <int> v;

  cin >> n >> k;
  while(n--){
    cin >> num;
    v.push_back(num);
  }
  sort(v.begin(), v.end());
  cout << v.at(k-1);
}