Posts

Math & Logic Puzzles The Heavy Pill basket Ball Dominos Ants on triangle Jugs of water

Bit Manipulation Insertion Binary to String Flip bit to Wim Next Number Debugger Conversion Pairwise Swap Draw Line

Trees & Graphs Route between Nodes Minimal Tree List of Depth Check balanced validate BST Successor Build Order First Common Ancestor BST Sequence Check Subtree Random Node Paths with Sum

Stacks & Queues Three in One Stack min Stack of plates Tower of Hanoi Queue via stacks Sort Stack Animal Shelter

Linked Lists Remove Dups Return kth node from last Delete middle node Partition Sum Lists Palindrome Intersection Loop Detection