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My solution to HackerRank Challenge “Trees: Is This a Binary Search Tree?”

This is my solution to challenge “Trees: Is This a Binary Search Tree?” on HackerRank. Click here to see the challenge. import java.io.*; /* Hidden stub code will pass a root argument to the function below. Complete the function to solve the challenge....

My solution to Arrays: Left Rotation Challenge on Hacker Rank

Programming | 0 comments

This is my solution to challenge about Arrays left rotation. Click here to see the challenge. import java.io.*; import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { public static void...

My solution to Tries: Contacts Challenge on Hacker Rank

Programming | 0 comments

This is my solution to challenge about the “Tries” data structure. Click here to see the challenge. import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; class Node{ Node[] children = new...

Big O: What is it and everything you need to know about it.

Programming | 0 comments

Big O is one of the most asked questions in technical interviews. It is the upper bound of the run time of an algorithm and is one of the most commonly used criteria to check the efficiency of an algorithm. In general big O is taken as the “minimum upper...

My solution to HackerRank Challenge “Trees: Is This a Binary Search Tree?”

My solution to Arrays: Left Rotation Challenge on Hacker Rank

My solution to Tries: Contacts Challenge on Hacker Rank

Big O: What is it and everything you need to know about it.

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