func_code_string: #include <bits/stdc++.h>   using namespace std;   int a[222];   int main() {     int n, m;     cin >> n >> m;     for (int i = 0; i < n; i++) cin >> a[i];     int ans = m;     for (int i = 0; i < n - 1; i++)       if (a[i] - a[i + 1] > ans) ans = a[i] - a[i + 1];     cout << ans - m << endl;     return 0;   }   