A. Next Round

原题传送门

代码

#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e2 + 10;
int a[maxn];
int main() {ios::sync_with_stdio(false);int n, k;cin >> n >> k;int score;int ans = 0;for (int i = 1; i <= n; i++) {cin >> a[i];if (i == k) score = a[i];}for (int i = 1; i <= n; i++) {if (a[i] >= score && a[i] > 0) ans++;}cout << ans << endl;return 0;
}