Design a Logger Rate Limiter in C++/Java
Design a logger system that receive stream of messages along with its timestamps, each message should be printed if and only if it is not printed in the last …
Tag: C++ and Java coding exercise
How to Clone a Graph in C++/Java using Depth First Search Algorithm? (Graph and HashMap)
March 18, 2019
algorithms, c / c++, coding exercise, data structure, DFS, java, recursive
No Comments
Given a reference of a node in a connected undirected graph, return a deep copy (clone) of the graph. Each node in the graph contains a val (int) and …
The Unique Morse Code Words Algorithm
International Morse Code defines a standard encoding where each letter is mapped to a series of dots and dashes, as follows: “a” maps to “.-“, “b” maps to “-…”, …
The Algorithm to Find Anagram Mappings between Two Arrays
Given two lists Aand B, and B is an anagram of A. B is an anagram of A means B is made by randomizing the order of the elements …
How to Construct Binary Search Tree from Preorder Traversal? (C++ and Java)
Return the root node of a binary search tree that matches the given preorder traversal. (Recall that a binary search tree is a binary tree where for every node, …