Volume 54 (5,400-5,499)

Problem ID Title Solution by Most Popular Input by
5401 Polygon Puzzler
5402 Clock Hands (1)
5403 Critical Mass
5404 Word Search
5405 Randomly Wired Neural Nets
5406 Prime Factors
5407 Bowling
5408 Keeps Going and Going and ...
5409 Scheduling Lectures
5410 Counterfeit Dollar
5411 Metal Cutting
5412 Street Directions
5413 Parallel Deadlock
5414 DNA Sorting
5415 Numbers That Count
5416 Triangle War
5417 Unscrambling Images
5418 A Plug for UNIX
5419 Treasure Hunt (1)
5420 487-3279
5421 Biorhythms
5422 Gone Fishing
5423 The Same Game
5424 Cowculations
5425 Intersecting Lines
5426 Hi-Q
5427 Call Forwarding
5428 Making the Grade (2)
5429 Perfection
5430 Shipping Routes
5431 Slurpys
5432 Factorial Frequencies
5433 Identifying Legal Pascal Real Constants
5434 Extrapolation Using a Difference Table
5435 Evaluating Simple C Expressions
5436 The Finite State Text-Processing Machine
5436 The Finite State Text-Processing Machine
5437 PostScript Emulation
5438 Inventory Maintenance
5439 Mapping the Swaps
5440 Rational Numbers from Repeating Fractions
5441 Recognizing Good ISBNs
5442 Identifying Concurrent Events
5443 Processing MX Records
5444 A Node Too Far
5445 Interpreting Control Sequences
5446 Long Multiplication
5447 SameGame Simulation
5448 Master-Mind Hints
5449 Non-Stop Travel
5450 HTML Syntax Checking
5451 What Base Is This?
5452 Roman Digititis
5453 It's Ir-Resist-Able!
5454 Getting Chorded
5455 Run, Run, Runaround Numbers
5456 Optimal Array Multiplication Sequence
5457 Transferable Voting (2)
5458 Pseudo-Random Numbers (2)
5459 "Cheapest" Scores
5460 Mapping the Route
5461 Is It a Tree
5462 Coconuts, Revisited
5463 Nonstop Travel
5464 Doing Windows
5465 Numerically Speaking
5466 The Collatz Sequence
5467 Placing the Ops
5468 How Many Knights
5469 Jack and Jill
5470 Index
5471 The Falling Leaves
5472 A Duckpin Tournament
5473 The PATH
5474 What Day Is It?
5475 Parking Lot
5476 The Boggle Game
5477 The Rotating Disk
5478 Bulk Mailing
5479 Immediate Decodability
5480 File Mapping
5481 The Gourmet Club
5482 Chutes and Ladders
5483 Stamps (II)
5484 Unix ls
5485 Palindromes
5486 M*A*S*H
5487 Postscript
5488 Radar Scopes
5489 Message Routing
5490 Prime Cuts
5491 Gears on a Board
5492 Uniform Generator
5493 Excuses, Excuses!
5494 Station Balance
5495 Centipede Collisions
5496 Pizza Anyone?
5497 Adam's Genes
5498 Risk (2)
5499 Just the Facts