2023

• 2023-01-24909. Snakes and Ladders
• 2023-01-21331. Verify Preorder Serialization of a Binary Tree
• 2023-01-19491. Non-decreasing Subsequences
• 2023-01-17545. Boundary of Binary Tree
• 2023-01-17311. Sparse Matrix Multiplication
• 2023-01-16926. Flip String to Monotone Increasing
• 2023-01-161404. Number of Steps to Reduce a Number in Binary Representation to One
• 2023-01-151386. Cinema Seat Allocation
• 2023-01-131061. Lexicographically Smallest Equivalent String
• 2023-01-13341. Flatten Nested List Iterator