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