Codeforces-SolutionsA/Codes/158 A - Next Round/158A.cpp
2023-12-31 14:54:40 +06:00

21 lines
315 B
C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
int i, j, n, k, count=0;
cin >> n >> k;
int s[n];
for (i = 0; i < n; i++)
{
cin >> s[i];
}
for(i=0;i<n;i++)
{
if (s[i] > 0 && s[i]>=s[k-1])
{
count++;
}
}
cout << count;
}