1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
#include <bits/stdc++.h>
using namespace std;

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	
	int n, k; cin >> n >> k;
	
	vector<int> results;
	
	for (int i = 0; i < n;i++) { 
		int a; cin >> a;
		results.push_back(a);
	}
	
	sort(results.begin(), results.end());
	reverse(results.begin(), results.end());
	
	while (k < n && results[k] == results[k-1]) k++;
	
	cout << k << endl;
	
	return 0;
}