Quantum Computers, From First Principles: What They Are and What They Provably Run Faster
Superposition, entanglement, and interference — then the actual proofs: Deutsch–Jozsa, Grover, Shor, and the honest limits
Aug 30, 202625 min read16
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125 Essential Problems from LeetCode
Arrays (10 problems) Master the fundamentals of array manipulation, from basic traversals to advanced techniques. Easy Problems Best Time to Buy and Sell Stock (#121) - Single pass tracking Maximum Subarray (#53) - Kadane's algorithm Plus One (#66...
Oct 22, 20257 min read637Introduction to TCP (Transmission Control Protocol)
TCP is a connection-oriented, reliable, byte-stream transport protocol that provides: Reliability: Guarantees delivery of data without errors, duplicates, or out-of-order packets Flow Control: Prevents sender from overwhelming receiver Congestion ...
Aug 8, 202516 min read617UDP (User Datagram Protocol)
UDP (User Datagram Protocol) is a connectionless, unreliable transport layer protocol in the TCP/IP protocol suite. It provides a simple mechanism for applications to send messages (called datagrams) to other hosts without establishing a connection o...
Aug 8, 20256 min read430Introduction to Queues
Queues are a fundamental data structure in computer science, widely used in various algorithms and applications. Understanding the queue's basic principles and its differences from other data structures is crucial for solving problems efficiently. A ...
Aug 11, 202424 min read2.9KIntroduction to Stacks
Stacks are one of the fundamental data structures in computer science, essential for a wide range of algorithms and applications. A stack is a linear data structure that follows a particular order in which operations are performed. The order may be L...
Aug 9, 202423 min read4.0K