pranjay-poddar / data-structures-and-algorithms

Important data structure and algorithms codes and concept's open-source repository.

Data-Structures-And-Algorithms

Important data structure and algorithms codes and concepts repository.

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How to contribute:

• Drop a ⭐ on the Github repository (optional)
  

• Fork the repo to your Github.
  

• Clone the Repo by going to your local Git Client and pushing this command:
  git clone https://github.com/pranjay-poddar/Data-Structures-And-Algorithms.git

• Clone the Repo to a particular folder on your system by going to your local Git Client and pushing this command:
  git clone https://github.com/pranjay-poddar/Data-Structures-And-Algorithms.git <folder-name>

• Add your code and your Github Handle to CONTRIBUTERS.md.

• Update Readme with a tick infront of a question added in particular language column.

• Commit and push your code to the remote repo on your Github.
  git checkout -b <branch name>
git add .
git commit -m "your message"
git remote add origin <HTTP code the forked repo>
git push origin <your branch name>
  

• Make a pull request!

  Competitive Programming

📌 📚 Solution of competitive programming problems and challenges, Project Euler Solutions, Data Structures, Data Structure implementations, Algorithms and Interview Questions.

Index

• Data Structures and Algorithms
  • Ad-hoc Problems
  • Algorithms
  • Competitions-Challenges
  • Compiler Design
  • Data Structures
  • Fast IO
  • Interview Preparation
  • Patterns
  • Project Euler

---

Contributors

< /> with ♥ By Pranjay Poddar ©

MIT License

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data-structures-and-algorithms's Issues

61. Rotate List

Hi, @pranjay-poddar may I add Leetcode Problem 61. Rotate List
(Medium)

Tower of Hanoi

The tower of Hanoi is a famous puzzle where we have three rods and N disks. The objective of the puzzle is to move the entire stack to another rod. You are given the number of discs N. Initially, these discs are in the rod 1. You need to print all the steps of discs movement so that all the discs reach the 3rd rod. Also, you need to find the total moves.
Note: The discs are arranged such that the top disc is numbered 1 and the bottom-most disc is numbered N. Also, all the discs have different sizes and a bigger disc cannot be put on the top of a smaller disc.

Example 1:

Input:
N = 2
Output:
move disk 1 from rod 1 to rod 2
move disk 2 from rod 1 to rod 3
move disk 1 from rod 2 to rod 3

Explanation: For N=2 , steps will be
as follows in the example and total
3 steps will be taken.

Poster/ Graphics For Readme

Add a poster stating details of repository and hacktoberfest with required link

162. Find Peak Element

I would like to add solution for the above Leetcode problem!
Can you please assign me this task?

Add Leetcode Contest Solutions

Add Hackerrank Contest Solutions

Add Hackerrank Solutions in C/C++/Java/Python

Modifying some files for better efficiency.

In this repo there are many files that need to be modifed for better efficiency, may be there is some need of user input, code reusability or some test inputs where some outputs fails. So, all you are welcome.

123. Best Time to Buy and Sell Stock III

Hi, @pranjay-poddar may I add Leetcode Problem 123. Best Time to Buy and Sell Stock III
(Hard) ?

Python program to play the chopsticks game

92. Reverse Linked List II

Hi, @pranjay-poddar may I add Leetcode Problem 92. Reverse Linked List II
(Medium)

Update Ticks In Readme

Describe the bug
Ticks/checks in front in a particular language are not updated in remade.md for many questions/problems.

Shortest Common Supersequence : Dynamic Programming, C++

I would like to write a code for the Shortest Common Supersequence Problem using DP, this algorithm will help to find the length of the shortest string which contains the given two strings as its subsequence.
I will use C++.
Hi @pranjay-poddar ,pls assign me this issue.

Least Common Ancestor of Two nodes in a Binary Tree

In this we need to find the least common ancestor of two given nodes in a binary tree.

@pranjay-poddar Can I work on this and add solution in the binary tree folder?

1669. Merge In Between Linked Lists

Hi, @pranjay-poddar may I add Leetcode Problem 1669. Merge In Between Linked Lists
(Medium)

Add code for Equal stack in Leetcode solutions folder

can i work on this issue

I want to add solution for Leetcode problem 410. Split Array Largest Sum.

I want to add solution for Leetcode problem 410. Split Array Largest Sum.
Can you please assign me this task!

Add Hackerearth Contest Solutions

Add Hackerearth Solutions with a question.

19. Remove Nth Node From End of List

Hi, @pranjay-poddar may I add Leetcode Problem 19. Remove Nth node from end of list
(Medium)

Update Readme

Readme update

Add Codeforces Contest Solution

Add Codeforces Contest Solution with appropriate question.

Merge k Sorted Lists

Merge all the linked-lists into one sorted linked-list and return it.

@pranjay-poddar Can I work on this and add the solution in LeetCode/Hard folder?

I want to add 260. Single Number III Leetcode Solution with Explaination

I want to add 260. Single Number III Leetcode Solution may i . @pranjay-poddar Can u assign it to me?

Single Web Page For Repository

A single responsive web page in HTML, CSS, and JS with hacktoberfest poster, project admin details and contact links, repository details (issues, comits, contributors count, live closed PR counts) and hacktoberfest links.

Add GFG Contest Solution

Add GFG Contest Solution with appropriate questions/solutions

N-Queens Problem

The n-queens puzzle is the problem of placing n queens on an n x n chessboard such that no two queens attack each other.

@pranjay-poddar Can I work on this and add the solution in Leetcode Solutions folder?

I would like to add solution for 173. Binary Search Tree Iterator Problem with Explaination

I would Like to add a solution for 173. Binary Search Tree Iterator Leetcode Problem with a readme file containing the Explaination of that question solution.
@pranjay-poddar Can u please assign me for this.

Bipartite Graph

Can I work on the algorithm for finding whether a graph is bipartite or not @pranjay-poddar

Add Codechef Contest Solutions

Add Codechef Contest Solutions with question

Update Contributors.md

Crosscheck all the contributor's list and update the missing username in contributors.md file.

49. Group Anagrams

Hi, @pranjay-poddar may I add Leetcode Problem 49. Group Anagrams

4. Median of Two Sorted Arrays

Hi, @pranjay-poddar may I add Leetcode Problem 4. Median of Two Sorted Arrays
(Hard)

I would like to add some interview Specific Question's of Leetcode

HI, @pranjay-poddar may I add some more interview Specific Question's from Leetcode?

76. Minimum Window Substring

Hi, @pranjay-poddar may I add Leetcode Problem 76. Minimum Window Substring (Hard) with CPP Solution?

Hackerrank Solution for algorithm

@pranjay-poddar I would like to add algorithm solutions to Hackerrank folder

Add Ds Algorithms In C/C++/Java/Python

Add Ds Algorithms In C/C++/Java/Python

Merge K sorted Linked List

23. Merge k Sorted Lists

You are given an array of k linked-lists lists, each linked-list is sorted in ascending order.
Merge all the linked-lists into one sorted linked-list and return it.

Please assign @pranjay-poddar

Solution for Cube!

I want to add solution for a Codeforces 1500 rated problem. Please allow me to do so and assign.

Project excluded from Hacktoberfest2021.

Why is the project marked "Excluded Project" on the Hacktoberfest2021 board? Did they give the justification?