func_code_string: #include <bits/stdc++.h>   using namespace std;   long long a, b, c[101], d[101], mx = -1e9, cnt;   int main() {     cin >> a >> b;     for (int i = 1; i <= a; ++i) {       cin >> c[i];     }     for (int i = 1; i < a; ++i) {       d[i] = c[i] - c[i + 1] - b;     }     for (int i = 1; i <= a; ++i) {       mx = max(d[i], mx);     }     cout << mx;     return 0;   }   