Tag: stack
You are given an immutable linked list, print out all values of each node in reverse with the help of the following interface: ImmutableListNode: An interface of immutable linked …
Given the root node of a binary search tree (BST) and a value. You need to find the node in the BST that the node’s value equals the given …
Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are …
Nested String A string S consisting of N characters is considered to be properly nested if any of the following conditions is true: S is empty; S has the …
Recursion is an important programming concepts. Recursion can be used to simplify your algorithm implementation but at a cost of possible stack-over-flow pitfalls. This tutorial will provide a simple-to-follow …