c++ - What is left and right node where node may > 2 -


I do not understand what left is and right The node in the tree.

Suppose I have such a structure, 

  struct rect {void visit () {} std :: vector & lt; Rect *> Organ; }; What is    
  left  and what is  right  here? Does it exist here? If so, how can I determine that w / c is rest and W / C is correct?  
 I want to cross them with root (post-sequence)  
 Is this right?    Zero Post Order (Riket * Rect) {if (rect == nullptr) return; (Auto & amp; i: Promotion :: Adapter :: Reverse (Rect-> Component)) (Poster (I);} Rect-> Travel ();}   
 but the left and right nodes are not here?   
 
 
 there is no left and right (unless That your rectangles are not sorted by the x-axis position, which is not shown).

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