Tag: tree data structure
Given the root node of a binary search tree, return the sum of values of all nodes with value between L and R (inclusive). The binary search tree is …
Given a Relational Table stroing the nodes in a tree-like data structure, like this: +----+------+ | id | p_id | +----+------+ | 1 | null | | 2 | …
Given a binary tree, convert it to a string that consist of parenthesis and interests in the pre-order traversal. The empty brackets () for left sub trees can be …
Given an array of sorted integers, let’s arrange it to a highly balanced binary search tree (BST). The left nodes of a binary search tree are smaller than the …
Given two binary trees (defined structure in C++ as follows), check if they are identical (same tree structure and the values to the nodes are also the same): /** …