Submission #73614018

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Source Code Expand

#include <bits/stdc++.h>

#ifdef LOCAL
#include <library/my_library/utility/debug.hpp>
#else
#define debug(...)
#endif

using namespace std;
namespace rv = std::views;  // NOLINT

// clang-format off
using lint = long long;
#define ALL(a) (a).begin(), (a).end()

template <class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; } return false; }
template <class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; } return false; }
inline void Yes(bool b = true) { println("{}",(b ? "Yes" : "No")); }
inline void No() { println("{}", "No");}
// clang-format on

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int N, K;
    cin >> N >> K;
    K--;
    vector<int> S(N);
    for (auto&& s : S) cin >> s;
    int rate = S[K];
    int ans = 0;
    for (auto&& s : S) {
        if (rate > s) ans++;
    }
    println("{}", ans);
}

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