func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MOD = 1e9 + 7;   int main() {     int n;     cin >> n;     vector<long long> v(2 * n);     for (int i = 0; i < 2 * n; i++) cin >> v[i];     sort(v.begin(), v.end());     long long ans = (v[n - 1] - v[0]) * (v[2 * n - 1] - v[n]);     long long minx = 1e9 + 10;     for (int i = 0; i < n; i++) {       long long k = v[n + i - 1] - v[i];       minx = min(minx, k);     }     long long k = (v[2 * n - 1] - v[0]) * minx;     cout << (long long)min(ans, k);   }   