func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     int a[n];     for (int i = 0; i < n; i++) cin >> a[i];     int sum = 0;     sort(a, a + n);     for (int i = 0; i < n; i++) {       sum = sum + (a[n - 1] - a[i]);     }     cout << sum;   }   