func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, a[300];   int main() {     cin >> n;     for (int i = 0; i < 2 * n; i++) {       cin >> a[i];     }     sort(a, a + 2 * n);     if (a[n - 1] != a[n])       cout <<  YES  << endl;     else       cout <<  NO  << endl;   }   