func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int n, max1 = 0;     cin >> n;     long long int a[n];     long long int b[n];     for (int i = 0; i < n; i++) {       cin >> a[i];     }     b[n - 1] = 0;     max1 = a[n - 1];     for (int i = n - 2; i >= 0; i--) {       if (a[i] > max1) {         b[i] = 0;         max1 = a[i];       } else {         b[i] = max1 - a[i] + 1;       }     }     for (int i = 0; i < n; i++) cout << b[i] <<    ;     return 0;   }   