- Solve Me First
- Simple Array Sum
- Compare the Triplets
- A Very Big Sum
- Diagonal Difference
- Plus Minus
- Staircase
- Mini-Max Sum
- Birthday Cake Candles
- Time Conversion
- Caesar Cipher
- Mars Exploration
- Alternating Characters
- Two Strings
- Sherlock and Valid String
- Sherlock and Anagram
- Camelcase
- Strong Password
- HackerRank in a String
- Jumping on the Clouds
- Arrays: Left Rotation
- Left Rotation
- Sparse Arrays
- Minimum Distances
- Minimum Swaps 2
- Hash Tables: Ransom Note
- Sherlock and Anagram
- Sorting: Bubble Sort
- Mark and Toys
- String: Comparator
- New Year Chaos
- Sherlock and Valid String
- Picking Numbers
- Strings: Making Anagram
- Minimum Absolute Difference in an Array
- Luck Balance