/in/foo.cc: In function 'int main()':
/in/foo.cc:12:9: error: expected initializer before 'cin'
   12 |         cin>>n;
      |         ^~~
/in/foo.cc:16:28: error: 'n' was not declared in this scope
   16 |         for (int i = 0;i < n;i++)       cin >> a[i];
      |                            ^
/in/foo.cc:17:28: error: 'n' was not declared in this scope
   17 |         for (int j = 0;j < n-1;j++)             max = Max(a[j], a[j + 1]);
      |                            ^
/in/foo.cc:18:28: error: 'n' was not declared in this scope
   18 |         for (int k = 0;k < n;k++)
      |                            ^