This repository contains my solutions for the challenges hosted @ HackerRank.com All problems are solved in Java. Each challenge contains the original problem statement in pdf format, testcases as well as my suggested solution.
Below is a list of the challenges currently hosted in this repository.
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| Project Euler #2: Even Fibonacci numbers | Java | zip | |
| Project Euler #1: Multiples of 3 and 5 | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| Arrays: Left Rotation | Java | None | |
| DFS: Connected Cell in a Grid | Java | zip | |
| Recursion: Davis' Staircase | Java | zip | |
| Recursion: Fibonacci Numbers | Java | zip | |
| Sorting: Bubble Sort | Java | zip | |
| Sorting: Comparator | Java | zip | |
| Trees: Is This a Binary Search Tree? | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| New Year Chaos | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| Mark and Toys | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| A Very Big Sum | Java | zip | |
| Birthday Cake Candles | Java | zip | |
| Compare the Triplets | Java | zip | |
| Diagonal Difference | Java | zip | |
| Mini-Max Sum | Java | zip | |
| PlusMinus | Java | zip | |
| Simple Array Sum | Java | zip | |
| Solve Me First | Java | zip | |
| Staircase | Java | zip | |
| Time Conversion | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| PacMan - BFS | Java | zip | |
| PacMan - DFS | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| BotClean | Java | zip | |
| BotClean Stochastic | Java | zip | |
| Bot saves princess | Java | zip | |
| Bot saves princess - 2 | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| Array Manipulation | Java | zip | |
| Array DS | Java | zip | |
| Dynamic Array | Java | zip | |
| Left Rotation | Java | zip | |
| Sparse Arrays | Java | zip | |
| 2D Array DS | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| Jesse and Cookies | Java | zip | |
| QHEAP1 | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| Queue Using Two Stacks | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| Balanced Brackets | Java | zip | |
| Equal Stacks | Java | zip | |
| Maximum Element | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| Contacts | Java | zip |
| Challenge | Problem Statement | Solution | Testcases |
|---|---|---|---|
| Java Currency Formatter | Java | zip |
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