- May
- Day 1: First Bad Version 😒
- Day 2: Jewels and Stones 😑
- Day 3: Ransom Note 😯
- Day 4: Number Complement 😆
- Day 5: First Unique Character in a String 😏
- Day 6: Majority Element
☺️ - Day 7: Cousins in Binary Tree 😯
- Day 8: check Straight Line 😁
- Day 9: Is Perfect Square 👽
- Day 10: Find Town Judge 💩
- Day 11: Flood Fill 🙋
- Day 12: Single Element in a Sorted Array 🙉
- Day 13: Remove K Digits 👅
- Day 14: Implement Trie (Prefix Tree) 🐽
- Day 15: Maximum Sum Circular Subarray 🐳
- Day 16: Odd Even Linked List 😁
- Day 17: Find All Anagrams in a String Solution 🙉
- Day 18: Permutation in String 🐽
- Day 19: Online Stock Span 🐽
- Day 20: KTH smallest BST 🐽