Volume 5 (500-599)

Problem ID Title Solution by Most Popular Input by
500 Table
501 Black Box (1)
502 DEL Command
503 Parallelepiped Walk
504 Random Number
505 Moscow Time
506 System Dependencies
507 Jill Rides Again
508 Morse Mismatches
509 RAID!
511 Do You Know the Way to San Jose?
512 Spreadsheet Tracking
513 Window Frames
514 Rails
515 King
516 Prime Land
517 Word
518 Time
519 Puzzle (II)
520 Append
521 Gossiping
522 Schedule Problem
523 Minimum Transport Cost
524 Prime Ring Problem
525 Milk Bottle Data
526 String Distance and Transform Process
527 The Partition of a Cake
528 The Problem of Train Setout
529 Addition Chains
530 Binomial Showdown
531 Compromise
532 Dungeon Master
533 Equation Solver
534 Frogger
535 Globetrotter
536 Tree Recovery
537 Artificial Intelligence?
538 Balancing Bank Accounts
539 The Settlers of Catan
540 Team Queue
541 Error Correction
542 France '98
543 Goldbach's Conjecture
544 Heavy Cargo
545 Heads
546 Image Recognizer
547 DDF
548 Tree
549 Evaluating an Equations Board
550 Multiplying by Rotation
551 Nesting a Bunch of Brackets
552 Filling the Gaps
553 Simply Proportion
554 Caesar Cypher
555 Bridge Hands
556 Amazing
557 Burger
558 Wormholes (1)
559 Squares (II)
560 Magic
561 Jackpot
562 Dividing Coins
563 Crimewave
564 Gaston
565 Pizza Anyone?
566 Adam's Genes
567 Risk (1)
568 Just the Facts
569 Horse Shoe Scoring
570 Stats
571 Jugs
572 Oil Deposits
573 The Snail
574 Sum It Up
575 Skew Binary
576 Haiku Review
577 WIMP
578 Polygon Puzzler
579 Clock Hands
580 Critical Mass
581 Word Search
582 Randomly Wired Neural Nets
583 Prime Factors
584 Bowling
585 Triangles (1)
586 Instant Complexity
587 There's Treasure Everywhere!
588 Video Surveillance
589 Pushing Boxes
590 Always on the Run
591 Box of Bricks
592 Island of Logic
593 MBone
594 One Little, Two Little, Three Little Endians
595 A Major Problem (1)
596 The Incredible Hull
597 Last Name First, Please
598 Bundling Newspapers
599 The Forrest for the Trees