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30 Days Of Code :
Coding journey!
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Ressources :
| Days | Solutions | Challenges | Points |
|---|---|---|---|
| Day00 : Question | Solution | Hello, World. | 30 |
| Day01 : Question | Solution | Data Types | 30 |
| Day02 : Question | Solution | Operators | 30 |
| Day03 : Question | Solution | Intro To Conditional Statements | 30 |
| Day04 : Question | Solution | Class Vs Instance | 30 |
| Day05 : Question | Solution | Loops | 30 |
| Day06 : Question | Solution | let's Review | 30 |
| Day07 : Question | Solution | Arrays | 30 |
| Day08 : Question | Solution | Dictionaries And Maps | 30 |
| Day09 : Question | Solution | Recursion | 30 |
| Day10 : Question | Solution | Binary Numbers | 30 |
| Day11 : Question | Solution | 2D Arrays | 30 |
| Day12 : Question | Solution | Inheritance | 30 |
| Day13 : Question | Solution | Absract Classes | 30 |
| Day14 : Question | Solution | Scope | 30 |
| Day15 : Question | Solution | Linked List | 30 |
| Day16 : Question | Solution | Exceptions | 30 |
| Day17 : Question | Solution | More Exceptions | 30 |
| Day18 : Question | Solution | Stacks and Queues | 30 |
| Day19 : Question | Solution | Interfaces | 30 |
| Day20 : Question | Solution | Sorting | 30 |
| Day21 : Question | Solution | generics | 30 |
| Day22 : Question | Solution | Binary Search Trees | 30 |
| Day23 : Question | Solution | BTS Level Order Traversal | 30 |
| Day24 : Question | Solution | More Linked Lists | 30 |
| Day25 : Question | Solution | Running Time And Complexity | 30 |
| Day26 : Question | Solution | Nested Logic | 30 |
| Day27 : Question | Solution | testing | 30 |
| Day28 : Question | Solution | RegEx, Patterns, and Intro to Databases | 30 |
| Day29 : Question | Solution | Bitwise AND | 30 |
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Python :
Let's Parseltongue!
| Subdomain | Challenge | Points | Solution |
|---|---|---|---|
| Introduction | Say "Hello, World!" With Python | 5 | Solution |
| Introduction | Python If-Else | 10 | Solution |
| Introduction | Arithmetic Operators | 10 | Solution |
| Introduction | Python: Division | 10 | Solution |
| Introduction | Loops | 10 | Solution |
| Introduction | Write a function | 10 | Solution |
| Introduction | Print function | 20 | Solution |
| basic Data Types | List Comprehensions | 10 | Solution |
| Basic Data Types | Find the runner-Up Score! | 10 | Solution |
| Basic Data Types | Nested Lists | 10 | Solution |
| Basic Data Types | Finding the percenrage | 10 | Solution |
| Basic Data Types | Lists | 10 | Solution |
| Basic Data Types | Tuples | 10 | Solution |
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Bash Challenges :
Shell in a nutshell!
| Number | Challenge | Points | Solution |
|---|---|---|---|
| 1 | Let's Echo! | ||
| 2 | Looping and Skipping | ||
| 3 | A Personalized Echo | ||
| 4 | Looping with numbers | ||
| 5 | The World of Numbers | ||
| 6 | Comparing Numbers | ||
| 7 | Getting started with conditionals | ||
| 8 | More on Conditionals | ||
| 9 | Arithmetic Operations | ||
| 10 | Compute the Average | ||
| 11 | Functions and Fractals - Recursive Trees - Bash! |
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Text Processing :
| Number | Challenge | Points | Solution |
|---|---|---|---|
| 1 | Cut #1 | ||
| 2 | Cut #2 | ||
| 3 | Cut #3 | ||
| 4 | Cut #4 | ||
| 5 | Cut #5 | ||
| 6 | Cut #6 | ||
| 7 | Cut #7 | ||
| 8 | Cut #8 | ||
| 9 | Cut #9 | ||
| 10 | Head of a Text File #1 | ||
| 11 | Head of a Text File #2 | ||
| 12 | Middle of a Text File | ||
| 13 | Tail of a Text File #1 | ||
| 14 | Tail of a Text File #2 | ||
| 15 | 'Tr' Command #1 | ||
| 16 | 'Tr' Command #2 | ||
| 17 | 'Tr' Command #3 | ||
| 18 | Sort Command #1 | ||
| 19 | Sort Command #2 | ||
| 20 | Sort Command #3 | ||
| 21 | Sort Command #4 | ||
| 22 | Sort Command #5 | ||
| 23 | Sort Command #6 | ||
| 24 | Sort Command #7 | ||
| 25 | 'Uniq' Command #1 | ||
| 26 | 'Uniq' Command #2 | ||
| 27 | 'Uniq' Command #3 | ||
| 28 | 'Uniq' Command #4 | ||
| 29 | Paste - 1 | ||
| 30 | Paste - 2 | ||
| 31 | Paste - 3 | ||
| 32 | Paste - 4 |
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Arrays in Bash :
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Grep Sed Awk :
| Number | Challenge | Points | Solution |
|---|---|---|---|
| 1 | 'Grep' #1 | ||
| 2 | 'Grep' #2 | ||
| 4 | 'Grep' -A | ||
| 5 | 'Grep' -B | ||
| 6 | 'Sed' command #1 | ||
| 7 | 'Sed' command #2 | ||
| 8 | 'Sed' command #3 | ||
| 9 | 'Sed' command #4 | ||
| 10 | 'Sed' command #5 | ||
| 11 | 'Awk' - 1 | ||
| 12 | 'Awk' - 2 | ||
| 13 | 'Awk' - 3 | ||
| 14 | 'Awk' - 4 |
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Java :
| Subdomain | Challenge | Points | Solution |
|---|---|---|---|
| Introduction | Welcome to Java! | 3 | |
| Introduction | Java Stdin and Stdout I | 5 | |
| Introduction | Java If-Else | 10 | |
| Introduction | Java Stdin and Stdout II | 10 | |
| Introduction | Java Output Formatting | 10 | |
| Introduction | Java Loops I | 10 | |
| Introduction | Java Loops II | 10 | |
| Introduction | Java Datatypes | 10 | |
| Introduction | Java End-of-file | 10 | |
| Introduction | Java Static Initializer Block | 10 | |
| Introduction | Java Int to String | 10 | |
| Introduction | Java Date and Time | 15 | |
| Introduction | Java Currency Formatter | 15 | |
| Strings | Java Substring | 5 | |
| Strings | Java String Compare | 10 | |
| Strings | Java String Reverse | 10 | |
| Strings | Java Anagrams | 10 | |
| Strings | Java String Tokens | 15 | |
| Strings | Pattern Syntax Checker | 20 | |
| Strings | Java Regex | 25 | |
| Strings | Java Regex 2 - Duplicate Words | 25 | |
| Strings | Java Regex 3 - Username Checker | 20 | |
| Strings | Tag Content Extractor | 20 | |
| BigNumber | Java BigInteger | 10 | |
| BigNumber | Java BigDecimal | 20 | |
| BigNumber | Java Primality Test | 20 | |
| Data Structures | Java 1D Array | 5 | |
| Data Structures | Java 2D Array | 10 | |
| Data Structures | Java Subarray | 10 | |
| Data Structures | Java Arraylist | 10 | |
| Data Structures | Java 1D Array (Part 2) | 25 | |
| Data Structures | Java List | 15 | |
| Data Structures | Java Map | 10 | |
| Data Structures | Java Stack | 20 | |
| Data Structures | Java Hashset | 10 | |
| Data Structures | Java Generics | 15 | |
| Data Structures | Java Comparator | 10 | |
| Data Structures | Java Sort | 10 | |
| Data Structures | Java Dequeue | 20 | |
| Data Structures | Java BitSet | 20 | |
| Object Oriented Programming | Java Inheritance I | 5 | |
| Object Oriented Programming | Java Inheritance II | 10 | |
| Object Oriented Programming | Java Abstract Class | 10 | |
| Object Oriented Programming | Java Interface | 10 | |
| Object Oriented Programming | Java Method Overriding | 10 | |
| Object Oriented Programming | Java Method Overriding 2 (Super Keyword) | 10 | |
| Object Oriented Programming | Java Instanceof keyword | 10 | |
| Object Oriented Programming | Java Iterator | 15 | |
| Object Oriented Programming | Calculating Volume | 20 | |
| Exception Handling | Java Exception Handling (Try-catch) | 10 | |
| Exception Handling | Java Exception Handling | 15 | |
| Advanced | Java Varargs - Simple Addition | 15 | |
| Advanced | Java Reflection - Attributes | 15 | |
| Advanced | Can You Access | 15 | |
| Advanced | Prime Checker | 25 | |
| Advanced | Java Factory Pattern | 15 | |
| Advanced | Java Singleton Pattern | 15 | |
| Advanced | Java Visitor Pattern | 40 | |
| Advanced | Java Annotations | 25 | |
| Advanced | Covariant Return Types | 20 | |
| Advanced | Java Lambda Expressions | 30 | |
| Advanced | Java MD5 | 30 | |
| Advanced | Java SHA-256 | 30 |
2 Mar 22, 2022
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5 Dec 27, 2022
3 Nov 8, 2022
11.7k Jan 1, 2023
607 Jan 3, 2023
202 Dec 30, 2022
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8.5k Jan 2, 2023