Volume 8 (800-899)

Problem ID Title Solution by Most Popular Input by
800 Crystal Clear
801 Flight Planning (1)
802 Lead or Gold
803 Page Selection by Keyword Matching
804 Petri Net Simulation
805 Polygon Intersections
806 Spatial Structures
807 Towers of Powers
808 Bee Breeding
809 Bullet Hole
810 A Dicey Problem
811 The Fortified Forest
812 Trade on Verweggistan
813 Robot (2)
814 The Letter Carrier's Rounds
815 Flooded!
816 Abbott's Revenge
817 According to Bartjens
818 Cutting Chains
819 Gifts Large and Small
820 Internet Bandwidth
821 Page Hopping
822 Queue and A
823 Stopper Stumper
824 Coast Tracker
825 Walking on the Safe Side
826 Symbolic Numerical System
827 Buddy Memory Allocator
828 Deciphering Messages
829 Almost Balanced Trees
830 Shark
831 Document Validator
832 Financial Risk
833 Water Falls
834 Continued Fractions
835 Square of Primes
836 Largest Submatrix
837 Light and Transparencies
838 Worm World
839 Not so Mobile
840 Deadlock Detection
841 Snake
842 Crossword Puzzles
843 Crypt Kicker
844 Pousse
845 Gas Station Numbers
846 Steps
847 A Multiplication Game
848 Fmt
849 Radar Tracking
850 Crypt Kicker II
851 Maze (1)
852 Deciding Victory in Go
853 DVD Subtitles
854 Worse Code
855 Lunch in Grid City
856 The Vigenère Cipher
857 Quantiser
858 Berry Picking
859 Chinese Checkers
860 Entropy Text Analyzer
861 Little Bishops
862 Origami
863 Process Scheduling
864 Scheme Pretty-Printing
865 Substitution Cypher
866 Intersecting Line Segments
867 Storing Images in a Sequence
868 Numerical Maze
869 Airline Comparison
870 Intersecting Rectangles
871 Counting Cells in a Blob
872 Ordering
873 Loan (II)
874 2D Representations
875 Monopoly
876 Balanced Expressions
877 Offset Polygons
878 Rotating Tetris Pieces
879 Circuit Nets
880 Cantor Fractions
881 Points, Polygons and Containers
882 The Mailbox Manufacturers Problem
883 Overlapping Rectangles (2)
884 Factorial Factors
885 Telephone Directory Alphabetization
886 Named Extension Dialing
887 Revolutionary Calendar
888 Donkey
889 Islands (1)
890 Maze (II)
891 Syntrax
892 Finding Words
893 Y3K Problem
894 Juggling Trams
895 Word Problem
896 Board Game
897 Anagrammatic Primes
898 Hole Cutter
899 Colour Circles