View Compilation Error

0_0_39770096_21846.cpp: In function 'void maintain(int&, bool)':
0_0_39770096_21846.cpp:23:17: error: 'rotate' was not declared in this scope
   23 |                 rotate(k, f);
      |                 ^~~~~~
0_0_39770096_21846.cpp:27:17: error: 'rotate' was not declared in this scope
   27 |                 rotate(t[k].ch[f], f ^ 1);
      |                 ^~~~~~
0_0_39770096_21846.cpp: In function 'int main()':
0_0_39770096_21846.cpp:87:27: error: 'mb_root' was not declared in this scope; did you mean 'root'?
   87 |                 mb_Insert(mb_root, num);
      |                           ^~~~~~~
      |                           root
0_0_39770096_21846.cpp:87:17: error: 'mb_Insert' was not declared in this scope; did you mean 'Insert'?
   87 |                 mb_Insert(mb_root, num);
      |                 ^~~~~~~~~
      |                 Insert