Leetcode solutions

The following are my solutions to various leetcode problems, listed chronologically starting with the most recently solved.  You can find a link to my profile here.

  1. Simplify Path
    2. → stack

    June 9, 2023

  2. Summary Ranges
    3. → intervals

    June 8, 2023

  3. Is Subsequence
    4. → two pointers

    June 8, 2023

  4. Reverse Words In a String
    5. → strings

    June 8, 2023

  5. Valid Anagram
    6. → hashmap

    June 7, 2023

  6. Isomorphic Strings
    7. → Hashmap

    June 7, 2023

  7. Happy Number
    8. → hashmap

    June 7, 2023

  8. Word Pattern
    9. → hashmap

    June 7, 2023

  9. Merge Two Sorted Lists
    10. → linked list

    June 6, 2023

  10. Find the Index of the First Occurrence in a String
    11. → strings

    June 6, 2023

  11. Valid Palindrome
    12. → Two pointers

    June 6, 2023

  12. Linked List Cycle
    13. → Linked List

    June 6, 2023

  13. Ransom Note
    14. → Hashmap

    June 6, 2023

  14. Remove Duplicates From Sorted Array
    15. → arrays

    June 6, 2023

  15. Gas Station
    16. → arrays

    June 5, 2023

  16. Length of Last Word
    17. → strings

    June 5, 2023

  17. Jump Game
    18. → arrays

    June 5, 2023

  18. Majority Element
    19. → arrays

    June 4, 2023

  19. Rotate Array
    20. → arrays

    June 4, 2023

  20. Merge Sorted Array
    21. → arrays

    June 4, 2023

  21. Swapping Nodes in a Linked List
    22. → Linked List

    June 3, 2023

  22. Remove Element
    23. → Arrays

    June 3, 2023

  23. Dota2 Senate
    24. → queues

    may 31, 2023

  24. Valid Parentheses
    25. → stack

    may 31, 2023

  25. Contains Duplicate
    26. → hashmap

    may 31, 2023