Free Post Binary Search Tree Search in a Binary Search Tree LeetCodeâ€™s challenge of the day on June 15, 2020 (#700) asks us to search a Binary Search Tree and return the node where node.val equals the target value.

Free Post Medium Building a Set API LeetCode's challenge of the day on June 12, 2020 (#380) asks us to create an API wrapper around the standard Swift Set implementation. The only given requirement is that all

Free Post Easy The Power of Two LeetCode's challenge of the day on June 8, 2020 (#231) asks us to write a function that determines if the given Integer n is a power of two. In other

Free Post LeetCode Traversing BST in Level Order LeetCode's challenge #102 asks us to traverse a Binary Search Tree in level order. Level order traversal is the key to solve a multitude of tech challenges and comes up

Free Post LeetCode Reversing a String LeetCode's challenge of June 4, 2020 (#344) asks us to reverse a String. This task can be achieved with 1 line of code, yet it's worth exploring the different options.

Free Post LeetCode Delete Node in a Linked List LeetCode's challenge of June 2, 2020 (#237) asks us to delete a Node from a LinkedList. The tricky part is that we only have access to the Node itself, not

Free Post LeetCode Adding Two Linked Lists LeetCode's challenge #2 asks us to sum up two Linked Lists and return one singly Linked List. The given lists are (2 -> 4 -> 3) and (5

Free Post LeetCode Solving the Two Sum Problem The two sum problem is a classic coding challenge required in many tech interviews, and the #1 challenge on leetcode.com. Usually, one is given an unsorted array of integers