Omonimus1 HackerRank Solutions Save
My own HackerRank coding interview solutions
Project README
What you can find in this repository
Here you will be able to find my HackerRank solutions to many challenghes, using C++, JavaScript, Python and SQL
Correlated Materials
Index
- SQL
- Python
- C++
- Problem Solving
- 30 days of code
- 10 days of Javascript
- Problem Solving
- Interview Preparation Kit
🔗 Links - Get my Linktree
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SQL
| Category | Name | Database | Solution |
|---|---|---|---|
| Aggregation -Count | Revising aggregations the count | MYSQL | SQL |
| SELECT | Weather Observation Station 16 | MYSQL | SQL |
| SELECT | Weather Observation Station 2 | MYSQL | SQL |
| SELECT | Weather Observation Station 13 | MYSQL | SQL |
| SELECT | Weather Observation Station 14 | MYSQL | SQL |
| Basic select | Revising-Select 1 | ORACLE | SQL |
| Basic select | Revising-Select 2 | ORACLE | SQL |
| Basic select | Weather observation | ORACLE | SQL |
| Basic select | Weather observation-6 | MySQL | SQL |
| Basic select | Weather observation-8 | MySQL | SQL |
| Basic select | Weather observation-9 | MySQL | SQL |
| Basic select | Weather observation-11 | MySQL | SQL |
| Aggregation | Sum function | ORACLE | SQL |
| Aggregation | Japanese population | ORACLE | SQL |
| Basic Join | Average Continent Population | MYSQL | SQL |
| Basic Join | Asian Population | MYSQL | SQL |
| Basic Join | African Cities | MYSQL | SQL |
30 Days Of Code
| Name | C++ | Python | Java |
|---|---|---|---|
| Hello World | C++ | PYTHON | Java |
| Loops | C++ | PYTHON | Java |
| DataTypes | PYTHON | ||
| Operators | C++ | N/A | JAVA |
| Array | Python | ||
| LinkedList | C++ | Python | |
| 30-dictionaries-and-maps | C++ | ||
| 30-dictionaries-and-maps | C++ |
Problem Solving
| Name | C++ | Python |
|---|---|---|
| Plus Minus | Python | |
| HackerRank tweets | Python | |
| Diagonal Difference | C++ | |
| Time conversion | C++ | |
| Insert not in double linkedln list | C++ | |
| Min max sum | PY | |
| Array-DS | C++ | Python |
| Print Linked List | C++ | Python |
| Preorder Traversal Tree | C++ | Python |
| PostOrder Traversal Tree | C++ | |
| Insert Node at the head of Linked List | C++ | Python |
| Print reverse of a linked list | C++ | |
| Plus Minus | C++ | Python |
| Get the value of thenode at a specific position from the tail | C++ | |
| Reverse Linked list | C++ | |
| Compare two list | C++ | |
| Detect Loop in a Linked List | C++ | Python |
| Insert node in a specific position | C++ | |
| Insert at the tail of a linked list | C++ | |
| Tree Inorder | C++ | |
| Tree level traversal | C++ | |
| Binary search insertion | C++ | |
| Delete ndoe from a linked list | C++ | |
| Strong passsword | C++ | |
| CamelCase | C++ | |
| Find the media | C++ | |
| Beautiful binary string(substring search) | C++ | |
| cats and a mouse | C++ | |
| Level order traverse of a Binary Tree | C++ | |
| 30-Sorting | C++ | |
| Divisible sum pair | C++ | |
| Apple and orange | PYTHON | |
| FInd digits | C++ | |
| Angry professor | C++ | |
| Tutorial Intro | C++ | |
| Bon Appetit | C++ | |
| Sock Merchant | C++ | |
| Circular array rotation | C++ | |
| Equality in a array | C++ | |
| Grading | C++ | |
| Kangooro | C++ | |
| Panagrams | C++ | |
| Alternating characters | C++ | |
| ice Cream Parlor | C++ | |
| Lonely-integer | C++ | |
| Cpmpare tripletes | C++ |
| |C++||
Python
| Category | Name | Solution |
|---|---|---|
| String | String validation | Python |
| Introduction | Hello World | Python |
| I/O | Python-print | Python |
| Data Structure | List | Python |
| Python Loops | Loops | Python |
| Split and join | Strings | Python |
| Swap case | Python | |
| Python mutations | Python | |
| Capitalize | Python | |
| Validating phone number | Python | |
| Find the percentage | Python |
| |Python||
10 Days Javascript
| Day | Name | Solution |
|---|---|---|
| 0 | Hello world | JS |
| 1 | Data types | JS |
| 1 | Arithmetic Operators | JS |
| 1 | Function | JS |
| 1 | If-else | JS |
| 1 | Let and Cost | JS |
| 2 | Loops | JS |
| 2 | Conditional switch | JS |
| 4 | Recatangle Object (Tutorial) | JS |
| 4 | Count Objects (Tutorial) | |
| JS |
C++
| Name | Solution |
|---|---|
| Data Types | C++ |
| Array left shift | C++ |
| Min Max sum | C++ |
| Preoder Traversal Tree | C++ |
| Struct | C++ |
| Vector Sort | C++ |
| Vector Erase | C++ |
| SET | C++ |
| Map | C++ |
| Vector-Erase 2 | C++ |
| C-tutorial pointer | C++ |
| |C++|
Interview preparation kit
| Name | Solution |
|---|---|
| Detect Cycle in Linked List | C++ |
| Pairs | C++ |
| Height of a tree | C++ |
How to contribute?
- Fork the repository
- Do the desired changes (add/delete/modify)
- Make a pull request
When to contribute?
- If there is no solution to a problem in the main branch.
- If your solution is asymptotically faster than the one in the main branch.
- If your algorithm is of the same time complexity but with reduced code size. In this case, comment out the original solution and make a pull request with your solution.
- If you have another method of solving the problem which is asymptotically slower than the original method then, comment your solution in the main file and make a pull request.
Mind that
Constructive criticisms or code reviews of any kind are very much welcome.
If you have any questions about the solutions you can find here, feel free to contact me at: [email protected]
Support
Support me to get more material like this. PAYPAL ME
Apply for a mentorship session with me (get a 7 days free trial)
Open Source Agenda is not affiliated with "Omonimus1 HackerRank Solutions" Project. README Source: omonimus1/HackerRank-Solutions
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