func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     vector<int> v(6);     for (int i = 0; i < 6; ++i) cin >> v[i];     int n;     cin >> n;     vector<pair<int, int>> a;     int num;     for (int i = 0; i < n; ++i) {       cin >> num;       for (int j = 0; j < 6; ++j) {         a.push_back({num - v[j], i});       }     }     sort(a.begin(), a.end());     int ans = 1e9 + 7;     map<int, int> mp;     int t = 0;     int l = 0;     for (int i = 0; i < a.size(); ++i) {       int k = a[i].second;       if (mp[k] == 0) {         t++;       }       mp[k]++;       while (mp[a[l].second] > 1) {         mp[a[l].second]--;         l++;       }       if (t == n) {         ans = min(ans, a[i].first - a[l].first);       }     }     cout << ans;   }   