 ### [Leetcode] Binary Tree Right Side View

[Problem Link] Given a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see...

### [Leetcode] One Edit Distance

[Problem Link] If you’ve solved the edit distance dynamic programming problem, this problem should be straightforward. Make sure to return false if both strings...

### [Hackerrank] Pairs

You will be given an array of integers and a target value. Determine the number of pairs of array elements that have a difference...

### [Leetcode] Unique Paths II

[Problem Link] Total paths ending at [i, j] are Total paths ending at [i+1, j] + Total paths ending at [i, j+1]Total paths ending...

### [Leetcode] Course Schedule II

[Problem link] What is topological sort? You simply keep picking nodes with no incoming edges (or with in-order 0). No valid solution? You might...

### [Leetcode] Container With Most Water

[Problem Link] Use a typical 2 pointer approach to solve this problem. At step 1 assume your max container spans two ends. What is...