Welcome to the LeetCode JavaScript Solutions repository! This collection houses a comprehensive set of JavaScript solutions to LeetCode problems. Whether you're a beginner looking to sharpen your coding skills or an experienced developer aiming to tackle complex algorithms, this repository is here to support your journey.
- Extensive Coverage: Explore solutions to a wide range of LeetCode problems, categorized for easy navigation.
- Clear Explanations: Each solution is accompanied by detailed explanations and comments to help you understand the logic behind the code.
- Optimized Solutions: Discover optimized approaches and best practices for solving LeetCode challenges efficiently.
- Contributor Friendly: Contribute your own solutions or improvements to existing ones to enhance the repository's value for the community.
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Brute Force:
- Start with the simplest approach by trying all possible solutions.
- Useful for small input sizes.
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Two Pointers:
- Use two pointers to iterate from different directions.
- Useful for problems involving arrays or linked lists.
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Sliding Window:
- Maintain a window of elements to solve problems involving subarrays or substrings.
- Useful for problems requiring optimization within a range.
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Divide and Conquer:
- Break the problem into smaller subproblems, solve them independently, and combine the results.
- Useful for problems involving recursion or tree structures.
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Dynamic Programming:
- Store the results of subproblems to avoid redundant computations.
- Useful for optimization problems, especially those involving sequences or matrices.
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Backtracking:
- Explore all possible solutions by making and unmaking choices.
- Useful for constraint satisfaction problems like permutations, combinations, and puzzles.
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Greedy Algorithm:
- Make the locally optimal choice at each step with the hope of finding a global optimum.
- Useful for optimization problems involving sorting or selection.
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Hashing:
- Use hash tables to store and lookup values efficiently.
- Useful for problems involving quick access and retrieval of data.
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Understand the Problem Statement:
- Read the problem statement carefully.
- Identify the input, output, and constraints.
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Plan Your Approach:
- Think about the possible ways to solve the problem.
- Consider the time and space complexity of each approach.
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Write Pseudocode:
- Outline your solution in pseudocode before coding.
- Helps in organizing your thoughts and identifying potential issues.
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Test Your Solution:
- Test your code with different inputs, including edge cases.
- Ensure that your solution handles all possible scenarios.
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Optimize Your Code:
- Look for ways to improve the efficiency of your solution.
- Consider alternative data structures or algorithms if needed.
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Array Manipulation:
- Problems involving searching, sorting, or modifying arrays.
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String Processing:
- Problems involving substring searches, pattern matching, or string manipulation.
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Linked List Operations:
- Problems involving traversal, modification, or reversal of linked lists.
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Tree and Graph Traversal:
- Problems involving traversal, search, or modification of trees and graphs.
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Dynamic Programming:
- Problems involving optimization and finding the best solution among many.
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Math and Number Theory:
- Problems involving mathematical computations or properties of numbers.
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Bit Manipulation:
- Problems involving operations on binary representations of numbers.
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Combinatorial Problems:
- Problems involving permutations, combinations, or generating subsets.
By following these techniques and patterns, you can enhance your problem-solving skills and tackle LeetCode challenges more effectively.
To get started with the LeetCode JavaScript Solutions repository, follow these simple steps:
git clone https://github.com/afsify/leetcode.git
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Clone the Repository: Use the following command to clone the repository to your local machine:
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Explore Solutions: Browse through the directories to find solutions to specific LeetCode problems. Each solution is contained within its own file, along with a corresponding problem statement.
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Contribute: If you have a new solution to contribute or improvements to existing ones, feel free to submit a pull request. Contributions from the community are highly encouraged!