🧮 Day 1 – Arrays I

• Kth Largest Element in an Array
• Sort Colors (Dutch National Flag)
• Merge Sorted Array

🧮 Day 2 – Arrays II

• Maximum Subarray (Kadane’s Algorithm)
• Maximum Product Subarray
• Subarray Sum Equals K

🧮 Day 3 – Arrays III

• Longest Consecutive Sequence
• Jump Game II
• Trapping Rain Water

🔤 Day 4 – Strings I

• Valid Palindrome
• Valid Anagram
• First Unique Character in a String