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https://github.com/musamairshad/hackerrank-practice

Solutions to HackerRank practice problems.
https://github.com/musamairshad/hackerrank-practice

30-days-of-code competitive-programming cpp databases es6 hackerrank hackerrank-30dayschallange hackerrank-java hackerrank-python hackerrank-solutions hackerrank-sql java javascript logic-building mysql problem-solving programming-exercises python sql sql-basics

Last synced: 8 days ago
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Solutions to HackerRank practice problems.

Host: GitHub
URL: https://github.com/musamairshad/hackerrank-practice
Owner: musamairshad
License: mit
Created: 2022-12-07T19:16:21.000Z (about 2 years ago)
Default Branch: master
Last Pushed: 2024-02-26T10:42:37.000Z (12 months ago)
Last Synced: 2024-03-17T13:02:27.531Z (11 months ago)
Topics: 30-days-of-code, competitive-programming, cpp, databases, es6, hackerrank, hackerrank-30dayschallange, hackerrank-java, hackerrank-python, hackerrank-solutions, hackerrank-sql, java, javascript, logic-building, mysql, problem-solving, programming-exercises, python, sql, sql-basics
Language: Python
Homepage:
Size: 84 KB
Stars: 1
Watchers: 3
Forks: 1
Open Issues: 0
Metadata Files:
- Readme: README.md
- License: LICENSE.md

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README

        

# Solutions to HackerRank practice problems.

- 30 Days of Code

  - Day 0

    - Hello, World | [Problem](https://www.hackerrank.com/challenges/30-hello-world/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/30%20Days%20of%20Code/Day%200.%20Hello%2C%20World.py) | Score : 30

  - Day 1

    - Data Types | [Problem](https://www.hackerrank.com/challenges/30-data-types/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/30%20Days%20of%20Code/Day%201.%20Data%20Types.py) | Score : 30

  - Day 2

    - Operators | [Problem](https://www.hackerrank.com/challenges/30-operators/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/30%20Days%20of%20Code/Day%202.%20Operators.py) | Score : 30

  - Day 3

    - Intro to Conditional Statements | [Problem](https://www.hackerrank.com/challenges/30-conditional-statements/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/30%20Days%20of%20Code/Day%203.%20Intro%20to%20Conditional%20Statements.py) | Score : 30

  - Day 4

    - Class vs. Instance | [Problem](https://www.hackerrank.com/challenges/30-class-vs-instance/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/30%20Days%20of%20Code/Day%204.%20Class%20vs.%20Instance.py) | Score : 30

  - Day 5

    - Loops | [Problem](https://www.hackerrank.com/challenges/30-loops/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/30%20Days%20of%20Code/Day%205.%20Loops.py) | Score : 30

  - Day 6

    - Let's Review | [Problem](https://www.hackerrank.com/challenges/30-review-loop/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/30%20Days%20of%20Code/Day%206.%20Let's%20Review.py) | Score : 30

  - Day 7

    - Arrays | [Problem](https://www.hackerrank.com/challenges/30-arrays/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/30%20Days%20of%20Code/Day%207.%20Arrays.py) | Score : 30 

- Python

  - Introduction

    - Say Hello, World! With Python | [Problem](https://www.hackerrank.com/challenges/py-hello-world/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/01.%20Introduction/001.%20Say%20Hello%2C%20World%20With%20Python.py) | Score : 5

    - Python If-Else | [Problem](https://www.hackerrank.com/challenges/py-if-else/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/01.%20Introduction/002.%20Python%20If-Else.py) | Score : 10

    - Arithmetic Operators | [Problem](https://www.hackerrank.com/challenges/python-arithmetic-operators/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/01.%20Introduction/003.%20Arithmetic%20Operators.py) | Score : 10

    - Python Division | [Problem](https://www.hackerrank.com/challenges/python-division/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/01.%20Introduction/004.%20Python%20Division.py) | Score : 10

    - Loops | [Problem](https://www.hackerrank.com/challenges/python-loops/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/01.%20Introduction/005.%20Loops.py) | Score : 10

    - Write a function | [Problem](https://www.hackerrank.com/challenges/write-a-function/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/01.%20Introduction/006.%20Write%20a%20function.py) | Score : 10

    - Print Function | [Problem](https://www.hackerrank.com/challenges/python-print/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/01.%20Introduction/007.%20Print%20Function.py) | Score : 20

  - Basic Data Types

    - List Comprehensions | [Problem](https://www.hackerrank.com/challenges/list-comprehensions/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/02.%20Basic%20Data%20Types/001.%20List%20Comprehensions.py) | Score :  10

    - Find the Runner-Up Score! | [Problem](https://www.hackerrank.com/challenges/find-second-maximum-number-in-a-list/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/02.%20Basic%20Data%20Types/002.%20Find%20the%20Runner-Up%20Score!.py) | Score : 10

  - Strings

    - sWAP cASE | [Problem](https://www.hackerrank.com/challenges/swap-case/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/03.%20Strings/001.%20sWAP%20cASE.py) | Score : 10

    - String Split and Join | [Problem](https://www.hackerrank.com/challenges/python-string-split-and-join/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/03.%20Strings/002.%20String%20Split%20and%20Join.py) | Score : 10

    - What's Your Name | [Problem](https://www.hackerrank.com/challenges/whats-your-name/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/03.%20Strings/003.%20What's%20Your%20Name.py) | Score : 10

    - Mutations | [Problem](https://www.hackerrank.com/challenges/python-mutations/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/03.%20Strings/004.%20Mutations.py) | Score : 10

  - Sets

    - Set add() | [Problem](https://www.hackerrank.com/challenges/py-set-add/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/04.%20Sets/004.%20Set%20add().py) | Score : 10

    - Set union() Operation | [Problem](https://www.hackerrank.com/challenges/py-set-union/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/04.%20Sets/005.%20Set%20union()%20Operation.py) | Score : 10

    - Set intersection() Operation | [Problem](https://www.hackerrank.com/challenges/py-set-intersection-operation/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/04.%20Sets/006.%20Set%20intersection()%20Operation.py) | Score : 10

  - Math

    - Mod Divmod | [Problem](https://www.hackerrank.com/challenges/python-mod-divmod/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/05.%20Math/004.%20Mod%20Divmod.py) | Score : 10

    - Power - Mod Power | [Problem](https://www.hackerrank.com/challenges/python-power-mod-power/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/05.%20Math/005.%20Power%20-%20Mod%20Power.py) | Score : 10

  - Itertools

    - itertools.product() | [Problem](https://www.hackerrank.com/challenges/itertools-product/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/06.%20Itertools/001.%20itertools.product().py) | Score : 10

  - Numpy

    - Arrays | [Problem](https://www.hackerrank.com/challenges/np-arrays/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/Python/16.%20Numpy/001.%20Arrays.py) | Score : 20

    

- SQL

  - Basic Select

    - Revising the Select Query I | [Problem](https://www.hackerrank.com/challenges/revising-the-select-query/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/SQL/01.%20Basic%20Select/001.%20Revising%20the%20Select%20Query%20I.sql) | Score : 10

    - Revising the Select Query II | [Problem](https://www.hackerrank.com/challenges/revising-the-select-query-2/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/SQL/01.%20Basic%20Select/002.%20Revising%20the%20Select%20Query%20II.sql) | Score : 10

    - Select All | [Problem](https://www.hackerrank.com/challenges/select-all-sql/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/SQL/01.%20Basic%20Select/003.%20Select%20All.sql) | Score : 10

    - Select By ID | [Problem](https://www.hackerrank.com/challenges/select-by-id/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/SQL/01.%20Basic%20Select/004.%20Select%20By%20ID.sql) | Score : 10

    - Japanese Cities' Attributes | [Problem](https://www.hackerrank.com/challenges/japanese-cities-attributes/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/SQL/01.%20Basic%20Select/005.%20Japanese%20Cities'%20Attributes.sql) | Score : 10

    - Japanese Cities' Names | [Problem](https://www.hackerrank.com/challenges/japanese-cities-name/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/SQL/01.%20Basic%20Select/006.%20Japanese%20Cities'%20Names.sql) | Score : 10

    - Weather Observation Station 1 | [Problem](https://www.hackerrank.com/challenges/weather-observation-station-1/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/SQL/01.%20Basic%20Select/007.%20Weather%20Observation%20Station%201.sql) | Score : 15

    - Weather Observation Station 3 | [Problem](https://www.hackerrank.com/challenges/weather-observation-station-3/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/SQL/01.%20Basic%20Select/008.%20Weather%20Observation%20Station%203.sql) | Score : 10

    - Weather Observation Station 4 | [Problem](https://www.hackerrank.com/challenges/weather-observation-station-4/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/SQL/01.%20Basic%20Select/009.%20Weather%20Observation%20Station%204.sql) | Score : 10

    - Employee Names | [Problem](https://www.hackerrank.com/challenges/name-of-employees/problem) | [Solution](https://github.com/musamairshad/HackerRank-Practice/blob/master/SQL/01.%20Basic%20Select/019.%20Employee%20Names.sql) | Score : 10