VpweMv - Online C++0x Compiler & Debugging Tool

#include <bits/stdc++.h>
using namespace std;

int main() {
    int t;
    cin >> t;
    while (t--) {
        int n, j, k;
        cin >> n >> j >> k;
        vector<int> a(n);
        for (int i = 0; i < n; i++) {
            cin >> a[i];
        }
        vector<int> sorted_a = a;
        sort(sorted_a.begin(), sorted_a.end());
        int threshold = sorted_a[n - k - 1]; // (n-k)-th smallest strength (0-based)
        bool possible = (a[j-1] >= threshold);
        cout << (possible ? "YES" : "NO") << "\n";
    }
    return 0;
}