Ankit AgrahariNov 30, 20212 minLeetCode#LC1481 - Find Least Number of Unique Integers After K RemovalsIn this post, we will look into one of the Leetcode problem #1481, where we have to find the least number of unique integers after...

Ankit AgrahariNov 29, 20212 minLeetCode#LC983 - Find The Minimum Cost For Tickets (DP)In this post we will go through the Leetcode #983 to find the minimum cost for Tickets, which could be one of the starting practice...

Ankit AgrahariNov 28, 20213 minRead/Write Excel Using Apache POI & JavaThis post will explore Apache POI library which is used to read any excel document and can also edit the excel sheets. Apache POI (Poor...

Ankit AgrahariNov 27, 20212 minLeetCode#LC226 - Inversion Of Binary Tree Using RecursionFollowing the last post on the binary tree traversals, in this post we will try to invert a given binary tree. Binary tree is a data...

Ankit AgrahariNov 26, 20214 minLeetCode#LC105 - Binary Tree from In-Order and Pre-Order TraversalIn this post we will create a binary tree from the given in-order and pre-order traversal. You can find the details on the question here...

Ankit AgrahariNov 24, 20212 minLeetCode#LC746 - Minimum Cost Of Climbing StairsIn this post we will look into the the leetcode #746 problem to find the minimum cost of climbing stairs. This is also a good example to...

Ankit AgrahariNov 24, 20212 minUsing Twilio for Sending WhatsApp Message in JavaIn this blog post, we will try to send WhatsApp message in Java using Twilio account. Prerequisite: Create a free account in Twilio. Once...