Moving to a new city — USAI recently moved to a new city for work, to Chicago, from Philadelphia.May 19, 2022May 19, 2022
Generate-Parentheses Brute Force to Optimal LeetcodeWe use backtracking in brute force approach 1) We make a choice and hope it’s a valid one, if it happens to be valid we proceed forward…Aug 2, 2021Aug 2, 2021
Find if two nodes are cousins in Binary TreeWe say two nodes in a binary tree are cousins if they are on same level but have different parentsJul 1, 2021Jul 1, 2021
Rotting Oranges LeetcodeThis is one of the classic BFS Problems(I guess you could solve using DFS too) and a great one too.Jun 13, 2021Jun 13, 2021
Diagonal Traversal of Matrix using DFSI’ve encountered this problem in an Online Assessment(OA), the requirement was not exactly traversing diagonally, but I had to do something…Jun 8, 2021Jun 8, 2021