func_code_string: #include <bits/stdc++.h>   using namespace std;   int32_t main() {     ios_base::sync_with_stdio(0);     long long n;     cin >> n;     vector<long long> a;     for (long long i = 0; i < n; ++i) {       long long x;       cin >> x;       a.push_back(x);     }     sort(a.begin(), a.end());     long long c = 0;     for (long long i = 0; i < a.size() - 1; ++i) {       c += a[a.size() - 1] - a[i];     }     cout << c << endl;     return 0;   }   