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Binary_Search
Binary_Search
 
 
Refresh DSA stept-4
Refresh DSA stept-4
 
 
.gitignore
.gitignore
 
 
1. Two Sum.py
1. Two Sum.py
 
 
11. Container With Most Water.py
11. Container With Most Water.py
 
 
121. Best Time to Buy and Sell Stock.py
121. Best Time to Buy and Sell Stock.py
 
 
128. Longest Consecutive Sequence.py
128. Longest Consecutive Sequence.py
 
 
14. Longest Common Prefix.py
14. Longest Common Prefix.py
 
 
141. Linked List Cycle.py
141. Linked List Cycle.py
 
 
142. Linked List Cycle II.py
142. Linked List Cycle II.py
 
 
1456. Maximum Number of Vowels in a Substring of Given Length.py
1456. Maximum Number of Vowels in a Substring of Given Length.py
 
 
15. 3Sum.py
15. 3Sum.py
 
 
1544. Make The String Great.py
1544. Make The String Great.py
 
 
1695. Maximum Erasure Value.py
1695. Maximum Erasure Value.py
 
 
19. Remove Nth Node From End of List.py
19. Remove Nth Node From End of List.py
 
 
2033. Minimum Operations to Make a Uni-Value Grid.py
2033. Minimum Operations to Make a Uni-Value Grid.py
 
 
2114. Maximum Number of Words Found in Sentences.py
2114. Maximum Number of Words Found in Sentences.py
 
 
217. Contains Duplicate.py
217. Contains Duplicate.py
 
 
2176. Count Equal and Divisible Pairs in an Array.py
2176. Count Equal and Divisible Pairs in an Array.py
 
 
2206. Divide Array Into Equal Pairs.py
2206. Divide Array Into Equal Pairs.py
 
 
238. Product of Array Except Self.py
238. Product of Array Except Self.py
 
 
242. Valid Anagram.py
242. Valid Anagram.py
 
 
2535. Difference Between Element Sum and Digit Sum of an Array.py
2535. Difference Between Element Sum and Digit Sum of an Array.py
 
 
258. Add Digits.py
258. Add Digits.py
 
 
283. Move Zeroes.py
283. Move Zeroes.py
 
 
2843. Count Symmetric Integers.py
2843. Count Symmetric Integers.py
 
 
2873. Maximum Value of an Ordered Triplet I.py
2873. Maximum Value of an Ordered Triplet I.py
 
 
290. Word Pattern.py
290. Word Pattern.py
 
 
2942. Find Words Containing Character.py
2942. Find Words Containing Character.py
 
 
3169. Count Days Without Meetings.py
3169. Count Days Without Meetings.py
 
 
3191. Minimum Operations to Make Binary Array Elements Equal to One I.py
3191. Minimum Operations to Make Binary Array Elements Equal to One I.py
 
 
32. Longest Valid Parentheses.py
32. Longest Valid Parentheses.py
 
 
3396. Minimum Number of Operations to Make Elements in Array Distinct.py
3396. Minimum Number of Operations to Make Elements in Array Distinct.py
 
 
344. Reverse String.py
344. Reverse String.py
 
 
3487. Maximum Unique Subarray Sum After Deletion.py
3487. Maximum Unique Subarray Sum After Deletion.py
 
 
402. Remove K Digits.py
402. Remove K Digits.py
 
 
42. Trapping Rain Water.py
42. Trapping Rain Water.py
 
 
424. Longest Repeating Character Replacement.py
424. Longest Repeating Character Replacement.py
 
 
438. Find All Anagrams in a String.py
438. Find All Anagrams in a String.py
 
 
49. Group Anagrams.py
49. Group Anagrams.py
 
 
503. Next Greater Element II.py
503. Next Greater Element II.py
 
 
509. Fibonacci Number.py
509. Fibonacci Number.py
 
 
525. Contiguous Array.py
525. Contiguous Array.py
 
 
53. Maximum Subarray.py
53. Maximum Subarray.py
 
 
54. Spiral Matrix.py
54. Spiral Matrix.py
 
 
567. Permutation in String.py
567. Permutation in String.py
 
 
643. Maximum Average Subarray I.py
643. Maximum Average Subarray I.py
 
 
67. Add Binary.py
67. Add Binary.py
 
 
680. Valid Palindrome II.py
680. Valid Palindrome II.py
 
 
71. Simplify Path.py
71. Simplify Path.py
 
 
76. Minimum Window Substring.py
76. Minimum Window Substring.py
 
 
763. Partition Labels.py
763. Partition Labels.py
 
 
84. Largest Rectangle in Histogram.py
84. Largest Rectangle in Histogram.py
 
 
844. Backspace String Compare.py
844. Backspace String Compare.py
 
 
85. Maximal Rectangle.py
85. Maximal Rectangle.py
 
 
876. Middle of the Linked List.py
876. Middle of the Linked List.py
 
 
README.md
README.md
 
 

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LeetCode Problem Solving

Welcome to the LeetCode Problem Solving repository! 🚀 This repository contains my solutions to various LeetCode problems, implemented in Python. The goal of this repository is to improve problem-solving skills, practice Data Structures and Algorithms (DSA), and prepare for coding interviews.

📌 Repository Structure

The solutions are organized based on problem categories and difficulty levels:

  • Easy 🟢
  • Medium 🟡
  • Hard 🔴

Each problem solution is stored in a separate .py file, named as per the problem title or number.

🚀 Getting Started

To run the solutions on your local machine:

  1. Clone the repository: 
    git clone https://github.com/roniahamed/LeetCode-Problem-Solving.git
  2. Navigate to the repository: 
    cd LeetCode-Problem-Solving
  3. Run a specific solution: 
    python3 filename.py

📚 Topics Covered

This repository includes solutions for problems from various topics, such as:

  • Arrays & Strings
  • Linked List
  • Stack & Queue
  • Recursion & Backtracking
  • Dynamic Programming
  • Graphs & Trees
  • Heap & Priority Queue (Learning in progress)

💡 Contribution

This is a personal repository, but if you have suggestions or better solutions, feel free to open an issue or a pull request. I’d love to discuss different approaches! 😊

📬 Contact

If you have any questions, feel free to connect with me:

Happy Coding! 🚀

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