Shaila NasrinValidate Binary Search TreeThe problem states that we will be given a binary tree and we have to determine if it is a valid binary search tree(BST) or not. you can…6 min read·Apr 14, 2021----

Shaila NasrinRecursionMost of us know what recursion is and can write recursive code if we are asked to. But when we try to solve advance problems(i.e binary…5 min read·Jun 20, 2020----

Shaila NasrinLeast Recently Used(LRU) Cache Problem Part1The problem asks you to build a caching(cache is something that stores computation for lookups or it may also store redundant data for…3 min read·Dec 12, 2019----

Shaila NasrinHow C++ worksThe basic workflow of c++ code is: source file-> compiler -> executable binary file. But how do we get to the executable binary file from…3 min read·Oct 12, 2019----

Shaila NasrinShifted Binary Search ProblemThe problem asks you to find a number from a sorted array but all the numbers has been shifted by some amount either left or right.For…3 min read·Sep 15, 2019----

Shaila NasrinLongest Common Subsequence (LCS)Subsequence is a group of character that appears sequentially but it doesn’t have to be contiguous though it can be. For example: s =…4 min read·Aug 1, 2019----

Shaila NasrinBinary Search Tree Implementation in C++Binary search tree(BST) is a kind of binary tree(tree where each node has at most 2 child nodes) where any node of the tree will be less…3 min read·Jul 25, 2019--1--1

Shaila NasrinEdit Distance DP ProblemEdit distance problems is: if we are given two string word1 and word2 what is the minimum number of operation needed to transform a into b…5 min read·Jul 14, 2019----