2. From bottom to top, for each node A, treat it as a root node and count the total number of nodes in this subtree recursively. 3. For each node A, check if there exists an edge that halves the given input tree in this subtree of root A. If any of the 3 is true, then ther...
Two trees are isomorphic in the following 2 cases. 1. both trees are null; 2. a.neither tree is null; b.their roots' values are the same; c. either tree 1's left subtree is isomorphic with tree 2's left subtree and tree 1's right subtree is isomorphic with tree 2's right subtr...
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https://www.geeksforgeeks.org/generic-tree-level-order-traversal/ this link is one of the only code examples I could find anyway this seems quite ugly especially when adding a new node 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...
The nature of recursive generators requires the for/yield structure: # When recurring in generators, you have to loop to pull the values, # and yield each one: forvin_recursive_generator(blah): yieldv # Wouldn't it be cool if you could do this instead: ...
1.7 Data Structures Online Platforms CodeChef - CodeChef competitive programming site CodeSignal - (formerly CodeFights)Fun gaming approach to Coding contests and Interview practices. Codeforces - Great site for preparing for programming contests GeeksforGeeks - Must do coding questions for product based...
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reference :http://www.geeksforgeeks.org/inorder-successor-in-binary-search-tree/(不喜欢CCI上的渣渣答案) 4.6Design an algorithm and write code to fnd the frst common ancestor of two nodesin a binary tree Avoid storing additional nodes in a data structure NOTE: This is not ...