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Problem-solving & write-ups · Programming
Algorithm and engineering write-ups — each broken down by approach, edge cases, and complexity.
Programming
Valid Parentheses
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Programming
1. Two Sum
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Programming
DoublyLinkedList Design (with bidirectional search to perform faster)
Node.next - Value - Node.prev Actions: addAtHead, addAtTail, get, deleteAt, addAtIndex
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Programming
CTCI 1.4 Palindrome Permutation
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Programming
CTCI 1.6 String Compression
Count the chars using loop
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