LeetCode

• 18/02/2025 - 1. Two Sum - Easy
• 18/02/2025 - 9. Palindrome Number - Easy
• 20/02/2025 - 2. Add Two Numbers (Linked List) - Medium
• 20/02/2025 - 13. Roman to Integer - Easy
• 21/02/2025 - 14. Longest Common Prefix - Easy
• 22/02/2025 - 20. Valid Parentheses - Easy
• 24/02/2025 - 26. Remove Duplicates from Sorted Array - Easy
• 25/02/2025 - 27. Remove Element - Easy
• 26/02/2025 - 28. Find First Occurrence in String - Easy
• 26/02/2025 - 35. Search Insert Position - Easy
• 27/02/2025 - 88. Merge Sorted Array - Easy
• 01/03/2025 - 80. Remove Duplicates from Sorted Array II - Medium
• 01/03/2025 - 169. Majority Element - Easy
• 02/03/2025 - 189. Rotate Array - Medium
• 03/03/2025 - 121. Best Time to Buy and Sell Stock - Easy
• 03/03/2025 - 122. Best Time to Buy and Sell Stock II - Medium
• 04/03/2025 - 55. Jump Game - Medium
• Sick
• (will make a thought.txt of each question, in order to practice explaination skills)
• 10/03/2025 - 274. H-Index - Medium
• 11/03/2025 - 380. Insert Delete GetRandom O(1) - Medium
• 12/03/2025 - 134. Gas Station - Medium
• 13/03/2025 - 135. Candy - Hard (not done finished optimal solution)
• 14/03/2025 - 12. Integer to Roman - Medium
• 15/03/2025 - 16/03/2025 UniHack
• 17/03/2025 - 58. Length of Last Word - Easy
• 17/03/2025 - 151. Reverse Words in a String - Medium
• 18/03/2025 - 6. Zigzag Conversion - Medium
• 19/03/2025 - 167. Two Sum II - Input Array Is Sorted - Medium
• 20/03/2025 - 392. Is Subsequence - Easy
• 21/03/2025 - 125. Valid Palindrome - Easy
• 22/03/2025 - 11. Container With Most Water - Medium
• 23/03/2025 - 15. 3Sum - Medium
• sick & assignment & work (skip 2 weeks)
• 09/04/2025 - 209. Minimum Size Subarray Sum - Medium
• 10/04/2025 - 3. Longest Substring Without Repeating Characters - Medium
• 11/04/2025 - 36. Valid Sudoku - Medium
• 12/04/2025 - 54. Spiral Matrix - Medium
• 13/04/2025 - 48. Rotate Image - Medium
• 14/04/2025 - 383. Ransom Note - Easy
• 15/04/2025 - 205. Isomorphic Strings - Easy
• 16/04/2025 - 290. Word Pattern - Easy
• 17/04/2025 - 242. Valid Anagram - Easy
• 18/04/2025 - 49. Group Anagrams - Medium
• 19/04/2025 - 202. Happy Number - Easy
• 20/04/2025 - 219. Contains Duplicate II - Easy
• 21/04/2025 - 128. Longest Consecutive Sequence - Medium
• 22/04/2025 - 228. Summary Ranges - Easy
• 23/04/2025 - 56. Merge Intervals - Medium
• 24/04/2025 - 57. Insert Interval - Medium
• 25/04/2025 - 452. Minimum Number of Arrows to Burst Balloons - Medium
• 26/04/2025 - 71. Simplify Path - Medium