Engineering & Logic Puzzles
A collection of algorithmic challenges, coding puzzles, and distributed systems brainteasers. Solutions are hidden by default to encourage independent problem-solving.
★★★☆☆
Paradoxical / Undecidable
The Barber's Dilemma: The Limits of Self-Reference
#Russell's Paradox#Self-Reference#Halting Problem
★★★☆☆Solved (Historical Incident)
The Frozen Epoch: A Calendar's Edge Case
#Infinite Loop#Real-World Bug#Clock Logic
★★★★☆Solved (Historical Incident)
The 800-Kilometer Radius: A Physical Limit on Digital Routing
#Latency#TCP/IP#Timeouts
★★★☆☆Solved
Zeno's Routing: The Moving Target Paradox
#Zeno's Paradox#Geometric Series#Handover Management
★★★☆☆Provably Impossible
The Load Balancer's Mirage: A Parsing Paradox
#Pushdown Automata#Context-Free Grammar#Pumping Lemma
★★★★☆Provably Impossible
The Unreliable Handover: A Paradox of Consensus
#Consensus#Handover Management#Two Generals
★★★★☆Solved
The Ruthless Boardroom: A Game of Capital Allocation
#Backward Induction#Capital Allocation#Corporate Governance