This repository is a collection of popular coding questions and their solutions. You can use this repository to refer to solutions for coding questions. If you have a better solution to an existing question or have a solution to a new question, feel free to contribute.

Table of Contents

• Algorithms
• Data Structures
• Cryptography
• Exam Questions
• HackerRank
• Leetcode
• Number Theory
• Patterns
• Foobar
• String manipulation

Running a Python program

Download Python

• Python
• Python 3

Run the program

python3 <filename>.py

Running a cpp program

compilation

Mac/Linux

g++ file.cpp -o file.out

Windows

g++ file.cpp -o file.exe

Running

Mac/Linux

./file.out

Windows

file

Passing command line arguments

./file.out arg1 arg2

Running a c program

compilation

gcc file.c -o file.out

running

./file.out

passing command line arguments

./file.out arg1 arg2

Contributing Policy

By Sharing a code to this repository you agree to the following:

• The code shared is written by you and free from plagiarism.
• You have full rights to the code you are contributing and it does not violate any law or third party rights.
• You agree that your contribution will be publicly available for use under the MIT License.
• You agree that the maintainers of this repository have the right to edit, modify, copy, share your code under the MIT License.
• You agree to indemnify and hold harmless the maintainers of this repository from any damages or claims caused by your contribution.
• You agree to follow the Code of Conduct of this repository.