題目清單 100 - 999

001 - Volume I
題號	標題	難度	參考解題方向	備註
100	The 3n + 1 problem	1.0	Brute force, Collatz conjecture, 3n+1	lucky 貓
101	The Blocks Problem			lucky 貓
102	Ecological Bin Packing	1.5	Brute force	lucky 貓
103	Stacking Boxes	2.5	DP, LIS, DAG	lucky 貓
104	Arbitrage			lucky 貓
105	The Skyline Problem			lucky 貓
106	Fermat vs. Pythagoras			lucky 貓
107	The Cat in the Hat			lucky 貓
108	Maximum Sum	2.5	DP, Max consecutive subsequence 2D	lucky 貓
109	SCUD Busters			ruby 兔
110	Meta-Loopless Sorts			ruby 兔
111	History Grading	2.5	DP, LIS, DAG, Hash	lucky 貓
112	Tree Summing			lucky 貓
113	Power of Cryptography			lucky 貓
114	Simulation Wizardry
115	Climbing Trees			lucky 貓
116	Unidirectional TSP			lucky 貓
117	The Postal Worker Rings Once			ruby 兔
118	Mutant Flatworld Explorers			lucky 貓
119	Greedy Gift Givers			ruby 兔
120	Stacks of Flapjacks			lucky 貓
121	Pipe Fitters			ruby 兔
122	Trees on the level			lucky 貓
123	Searching Quickly			ruby 兔
124	Following Orders			lucky 貓
125	Numbering Paths			ruby 兔
126	The Errant Physicist			ruby 兔
127	"Accordian" Patience			lucky 貓
128	Software CRC			lucky 貓
129	Krypton Factor			ruby 兔
130	Roman Roulette			lucky 貓
131	The Psychic Poker Player			lucky 貓
132	Bumpy Objects
133	The Dole Queue			lucky 貓
134	Loglan-A Logical Language
135	No Rectangles
136	Ugly Numbers			lucky 貓
137	Polygons
138	Street Numbers			lucky 貓
139	Telephone Tangles			ruby 兔
140	Bandwidth			ruby 兔
141	The Spot Game			ruby 兔
142	Mouse Clicks			lucky 貓
143	Orchard Trees			lucky 貓
144	Student Grants			ruby 兔
145	Gondwanaland Telecom			lucky 貓
146	ID Codes	1.0	Next permutation, Permutation, Recursive	lucky 貓
147	Dollars	2.5	DP, Coin change	lucky 貓
148	Anagram checker			ruby 兔
149	Forests
150	Double Time
151	Power Crisis			lucky 貓
152	Tree's a Crowd			ruby 兔
153	Permalex			lucky 貓
154	Recycling
155	All Squares			lucky 貓
156	Ananagrams			ruby 兔
157	Route Finding
158	Calendar
159	Word Crosses			ruby 兔
160	Factors and Factorials	2.0	Number theory, Prime sieve, Factorization	lucky 貓
161	Traffic Lights			lucky 貓
162	Beggar My Neighbour
163	City Directions
164	String Computer	3.0	DP, Edit distance	ruby 兔
165	Stamps			ruby 兔
166	Making Change	2.5	DP, Greedy, Coin change, Bounded knapsack	lucky 貓
167	The Sultan's Successors			lucky 貓
168	Theseus and the Minotaur
169	Xenosemantics
170	Clock Patience			lucky 貓
171	Car Trialling
172	Calculator Language
173	Network Wars
174	Strategy
175	Keywords
176	City Navigation
177	Paper Folding
178	Shuffling Patience
179	Code Breaking
180	Eeny Meeny
181	Hearts
182	Bonus Bonds
183	Bit Maps
184	Laser Lines
185	Roman Numerals
186	Trip Routing
187	Transaction Processing
188	Perfect Hash
189	Pascal Program Lengths
190	Circle Through Three Points			lucky 貓
191	Intersection			lucky 貓
192	Synchronous Design
193	Graph Coloring			lucky 貓
194	Triangle
195	Anagram			lucky 貓
196	Spreadsheet
197	Cube			ruby 兔
198	Peter's Calculator
199	Partial differential equations
002 - Volume II
題號	標題	難度	參考解題方向	備註
200	Rare Order			lucky 貓
201	Squares			lucky 貓
202	Repeating Decimals			lucky 貓
203	Running Lights Visibility Calculator
204	Robot Crash
205	Getting There
206	Meals on Wheels Routing System
207	PGA Tour Prize Money
208	Firetruck			ruby 兔
209	Triangular Vertices			ruby 兔
210	Concurrency Simulator
211	The Domino Effect
212	Use of Hospital Facilities
213	Message Decoding			ruby 兔
214	Code Generation
215	Spreadsheet Calculator
216	Getting in Line			lucky 貓
217	Radio Direction Finder
218	Moth Eradication			ruby 兔
219	Department of Redundancy Department
220	Othello
221	Urban Elevations
222	Budget Travel			ruby 兔
223	Classifying Lots in a Subdivision
224	Kissin' Cousins
225	Golygons
226	MIDI Preprocessing
227	Puzzle			ruby 兔
228	Resource Allocation
229	Scanner
230	Borrowers
231	Testing the CATCHER	2.5	DP, LIS	ruby 兔
232	Crossword Answers			ruby 兔
233	Package Pricing
234	Switching Channels
235	Typesetting
236	VTAS - Vessel Traffic Advisory Service
237	Monitoring Wheelchair Patients
238	Jill's Bike
239	Tempus et mobilius. Time and motion
240	Variable Radix Huffman Encoding
241	Sail Race
242	Stamps and Envelope Size
243	Theseus and the Minotaur (II)
244	Train Time
245	Uncompress			lucky 貓
246	10-20-30
247	Calling Circles			lucky 貓
248	Cutting Corners
249	Bang the Drum Slowly
250	Pattern Matching Prelims
251	Nondeterministic Trellis Automata
252	Trucking
253	Cube painting			lucky 貓
254	Towers of Hanoi			lucky 貓
255	Correct Move			ruby 兔
256	Quirksome Squares	1.5	Number theory, Brute force	lucky 貓
257	Palinwords			lucky 貓
258	Mirror Maze
259	Software Allocation			lucky 貓
260	Il Gioco dell'X	2.0	2D map, DFS	ruby 兔
261	The Window Property
262	Transferable Voting
263	Number Chains			lucky 貓
264	Count on Cantor			lucky 貓
265	Dining Diplomats
266	Stamping Out Stamps
267	Of(f) Course!
268	Double Trouble
269	Counting Patterns
270	Lining Up			lucky 貓
271	Simply Syntax			lucky 貓
272	TEX Quotes	1.0	Ad hoc	lucky 貓
273	Jack Straws			lucky 貓
274	Cat and Mouse
275	Expanding Fractions			lucky 貓
276	Egyptian Multiplication			ruby 兔
277	Cabinets
278	Chess			ruby 兔
279	Spin
280	Vertex			ruby 兔
281	Rubik's Cube
282	Rename
283	Compress
284	Logic
285	Crosswords
286	Dead Or Not -- That Is The Question
287	Text Comparsion
288	Arithmetic Operations With Large Integers			ruby 兔
289	A Very Nasty Text Formatter
290	Palindroms <---> smordnilaP			lucky 貓
291	The House Of Santa Claus			lucky 貓
292	Presentation Error
293	Bits
294	Divisors	2.0	Number theory, Prime sieve, Factorization	lucky 貓
295	Fatman
296	Safebreaker			ruby 兔
297	Quadtrees			ruby 兔
298	Race Tracks
299	Train Swapping	1.0	Ad hoc, Inversion pair	ruby 兔
003 - Volume III
題號	標題	難度	參考解題方向	備註
300	Maya Calendar	1.5	Ad hoc, Date problem	lucky 貓
301	Transportation			ruby 兔
302	John's trip
303	Pipe
304	Department
305	Joseph			lucky 貓
306	Cipher			lucky 貓
307	Sticks			lucky 貓
308	Tin Cutter
309	FORCAL
310	L--system
311	Packets			lucky 貓
312	Crosswords (II)			ruby 兔
313	Intervals
314	Robot
315	Network	2.5	Graph theory, Articulation point, Connectivity	lucky 貓
316	Stars
317	Hexagon
318	Domino Effect
319	Pendulum
320	Border			ruby 兔
321	The New Villa
322	Ships
323	Jury Compromise
324	Factorial Frequencies	2.0	Big number, Factorial	ruby 兔
325	Identifying Legal Pascal Real Constants			ruby 兔
326	Extrapolation Using a Difference Table
327	Evaluating Simple C Expressions			ruby 兔
328	The Finite State Text Processing Machine
329	PostScript Emulation
330	Inventory Maintenance
331	Mapping the Swaps			ruby 兔
332	Rational Numbers from Repeating Fractions			lucky 貓
333	Recognizing Good ISBNs			lucky 貓
334	Identifying Concurrent Events
335	Processing MX Records
336	A Node Too Far			lucky 貓
337	Interpreting Control Sequences			ruby 兔
338	Long Multiplication
339	SameGame Simulation
340	Master-Mind Hints			lucky 貓
341	Non-Stop Travel			ruby 兔
342	HTML Syntax Checking
343	What Base Is This?			lucky 貓
344	Roman Digititis	1.5	String manipulation, Roman number	ruby 兔
345	It's Ir-Resist-Able!
346	Getting Chorded
347	Run			ruby 兔
348	Optimal Array Multiplication Sequence			lucky 貓
349	Transferable Voting (II)
350	Pseudo-Random Numbers			lucky 貓
351	``Cheapest Scores
352	The Seasonal War			ruby 兔
353	Pesky Palindromes			lucky 貓
354	Crazy Calculator
355	The Bases Are Loaded			lucky 貓
356	Square Pegs And Round Holes			lucky 貓
357	Let Me Count The Ways	2.5	DP, Coin change (Like UVa 674)	lucky 貓
358	Don't Have A Cow, Dude
359	Sex Assignments And Breeding Experiments
360	Don't Get Hives From This One!
361	Cops and Robbers
362	18,000 Seconds Remaining			ruby 兔
363	Approximate Matches
364	Constitutional Computing
365	Welfare Reform
366	Cutting Up
367	Halting Factor Replacement Systems
368	Indexing Web Pages
369	Combinations	1.5	Combination, Math	lucky 貓
370	Bingo
371	Ackermann Functions	1.0	Collatz conjecture, 3n+1, Simulation	ruby 兔
372	WhatFix Notation
373	Romulan Spelling
374	Big Mod			lucky 貓
375	Inscribed Circles and Isosceles Triangles			lucky 貓
376	More Triangles ... THE AMBIGUOUS CASE
377	Cowculations			ruby 兔
378	Intersecting Lines			lucky 貓
379	Hi-Q			ruby 兔
380	Call Forwarding
381	Making the Grade
382	Perfection	2.0	Number theory, Prime sieve, Factorization, Perfect number	lucky 貓
383	Shipping Routes
384	Slurpys			ruby 兔
385	DNA Translation
386	Perfect Cubes	1.5	Brute force, Math, Number theory	lucky 貓
387	A Puzzling Problem
388	Galactic Import
389	Basically Speaking	1.5	Base conversion, Ad hoc	lucky 貓
390	Letter Sequence Analysis
391	Mark-up			ruby 兔
392	Polynomial Showdown			lucky 貓
393	The Doors			ruby 兔
394	Mapmaker
395	Board Silly
396	Top Dog
397	Equation Elation			ruby 兔
398	18-Wheeler Caravans (aka Semigroups)
399	Another Puzzling Problem
004 - Volume IV
題號	標題	難度	參考解題方向	備註
400	Unix ls			ruby 兔
401	Palindromes			ruby 兔
402	M*A*S*H			lucky 貓
403	Postscript
404	Radar Scopes
405	Message Routing
406	Prime Cuts			lucky 貓
407	Gears on a Board
408	Uniform Generator			ruby 兔
409	Excuses, Excuses!			lucky 貓
410	Station Balance
411	Centipede Collisions
412	Pi			lucky 貓
413	Up and Down Sequences			ruby 兔
414	Machined Surfaces			ruby 兔
415	Sunrise
416	LED Test			ruby 兔
417	Word Index			lucky 貓
418	Molecules
419	Matching Meetings
420	Supercomputer Selection, The Sequel
421	Polygonal Puzzle
422	Word-Search Wonder			ruby 兔
423	MPI Maelstrom			ruby 兔
424	Integer Inquiry	2.0	Big number, Addition	lucky 貓
425	Enigmatic Encryption
426	Fifth Bank of Swamp County
427	FlatLand Piano Movers
428	Swamp County Roofs
429	Word Transformation			lucky 貓
430	Swamp County Supervisors
431	Trial of the Millennium
432	Modern Art
433	Bank (Not Quite O.C.R.)			ruby 兔
434	Matty's Blocks			ruby 兔
435	Block Voting			lucky 貓
436	Arbitrage (II)			ruby 兔
437	The Tower of Babylon	2.5	DP, LIS, DAG	lucky 貓
438	The Circumference of the Circle			lucky 貓
439	Knight Moves			lucky 貓
440	Eeny Meeny Moo			ruby 兔
441	Lotto			lucky 貓
442	Matrix Chain Multiplication			lucky 貓
443	Humble Numbers			lucky 貓
444	Encoder and Decoder			ruby 兔
445	Marvelous Mazes			lucky 貓
446	Kibbles ``n Bits ``n Bits ``n Bits	1.5	Base conversion, Ad hoc	lucky 貓
447	Population Explosion
448	OOPS!			ruby 兔
449	Majoring in Scales
450	Little Black Book			ruby 兔
451	Poker Solitaire Evaluator			lucky 貓
452	Project Scheduling
453	Intersecting Circles
454	Anagrams			ruby 兔
455	Periodic Strings			lucky 貓
456	Robotic Stacker
457	Linear Cellular Automata			ruby 兔
458	The Decoder	1.0	Ad hoc, Cryptography	lucky 貓
459	Graph Connectivity			lucky 貓
460	Overlapping Rectangles			ruby 兔
461	The Reservation Maker
462	Bridge Hand Evaluator
463	Polynomial Factorization
464	Sentence/Phrase Generator
465	Overflow			lucky 貓
466	Mirror, Mirror			ruby 兔
467	Synching Signals
468	Key to Success			ruby 兔
469	Wetlands of Florida			ruby 兔
470	Nasty Virus
471	Magic Numbers			lucky 貓
472	Simultaneous Equations
473	Raucous Rockers
474	Heads / Tails Probability			lucky 貓
475	Wild Thing
476	Points in Figures: Rectangles			lucky 貓
477	Points in Figures: Rectangles and Circles			lucky 貓
478	Points in Figures: Rectangles, Circles, Triangles			lucky 貓
479	Irrigation Flow Rates
480	Tempus Fugit
481	What Goes Up	3.0	LIS-nlgn-ver, DP	lucky 貓
482	Permutation Arrays			lucky 貓
483	Word Scramble			lucky 貓
484	The Department of Redundancy Department			lucky 貓
485	Pascal's Triangle of Death			lucky 貓
486	English-Number Translator			lucky 貓
487	Boggle Blitz
488	Triangle Wave			lucky 貓
489	Hangman Judge			lucky 貓
490	Rotating Sentences			lucky 貓
491	Tile Topology
492	Pig-Latin			lucky 貓
493	Rational Spiral			lucky 貓
494	Kindergarten Counting Game	1.0	Ad hoc, Count word	lucky 貓
495	Fibonacci Freeze	2.0	Big number, Addition, Fibonacci number	lucky 貓
496	Simply Subsets			lucky 貓
497	Strategic Defense Initiative	2.5	DP, LIS	lucky 貓
498	Polly the Polynomial			lucky 貓
499	What's The Frequency, Kenneth?			ruby 兔
005 - Volume V
題號	標題	難度	參考解題方向	備註
500	Table
501	Black Box
502	DEL command
503	Parallelepiped walk
504	Random number
505	Moscow time
506	System Dependencies
507	Jill Rides Again	2.5	DP, Max consecutive subsequence 1D	ruby 兔
508	Morse Mismatches
509	RAID!
510	Optimal Routing
511	Do You Know the Way to San Jose?
512	Spreadsheet Tracking
513	Window Frames
514	Rails			lucky 貓
515	King
516	Prime Land			lucky 貓
517	Word
518	Time
519	Puzzle (II)
520	Append
521	Gossiping
522	Schedule Problem
523	Minimum Transport Cost
524	Prime Ring Problem			lucky 貓
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	1.5	Combination, Math	lucky 貓
531	Compromise	3.0	DP, LCS	ruby 兔
532	Dungeon Master			lucky 貓
533	Equation Solver
534	Frogger			lucky 貓
535	Globetrotter
536	Tree Recovery			lucky 貓
537	Artificial Intelligence?			lucky 貓
538	Balancing Bank Accounts
539	The Settlers of Catan			ruby 兔
540	Team Queue
541	Error Correction			lucky 貓
542	France '98			ruby 兔
543	Goldbach's Conjecture	1.5	Number theory, Prime sieve, Goldbach's conjecture	lucky 貓
544	Heavy Cargo			lucky 貓
545	Heads			ruby 兔
546	Image Recognizer
547	DDF
548	Tree			lucky 貓
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			lucky 貓
556	Amazing
557	Burger			lucky 貓
558	Wormholes			ruby 兔
559	Squares (II)
560	Magic
561	Jackpot
562	Dividing coins	2.5	DP, 0-1 knapsack, Subset sum	lucky 貓
563	Crimewave
564	Gaston
565	Pizza Anyone?			lucky 貓
566	Adam's Genes
567	Risk			ruby 兔
568	Just the Facts			lucky 貓
569	Horse Shoe Scoring
570	Stats
571	Jugs			lucky 貓
572	Oil Deposits			lucky 貓
573	The Snail			lucky 貓
574	Sum It Up	2.0	Recursive, Subset sum	lucky 貓
575	Skew Binary	1.5	Ad hoc, Base conversion	ruby 兔
576	Haiku Review			lucky 貓
577	WIMP
578	Polygon Puzzler
579	ClockHands			lucky 貓
580	Critical Mass			ruby 兔
581	Word Search Wonder
582	Randomly Wired Neural Nets
583	Prime Factors	2.0	Number theory, Prime sieve, Factorization	lucky 貓
584	Bowling
585	Triangles			ruby 兔
586	Instant Complexity
587	There's treasure everywhere!			lucky 貓
588	Video Surveillance
589	Pushing Boxes
590	Always on the run
591	Box of Bricks	1.0	Ad hoc, Loop	lucky 貓
592	Island of Logic
593	MBone
594	One Little, Two Little, Three Little Endians			ruby 兔
595	A Major Problem
596	The Incredible Hull
597	Last Name First, Please
598	Bundling Newspapers			lucky 貓
599	The Forrest for the Trees
006 - Volume VI
題號	標題	難度	參考解題方向	備註
600	A Duckpin Tournament
601	The PATH
602	What Day Is It?	1.5	Ad hoc, Date problem	lucky 貓
603	Parking Lot
604	The Boggle Game
605	The Rotating Disk
606	Keeps Going and Going and ...
607	Scheduling Lectures
608	Counterfeit Dollar			lucky 貓
609	Metal Cutting
610	Street Directions
611	Parallel Deadlock
612	DNA Sorting			lucky 貓
613	Numbers That Count
614	Mapping the Route
615	Is It A Tree?			lucky 貓
616	Coconuts, Revisited
617	Nonstop Travel
618	Doing Windows
619	Numerically Speaking			lucky 貓
620	Cellular Structure
621	Secret Research			ruby 兔
622	Grammar Evaluation
623	500!	2.0	Big number, Factorial	lucky 貓
624	CD	2.5	DP, 0-1 knapsack	lucky 貓
625	Compression
626	Ecosystem			lucky 貓
627	The Net
628	Passwords
629	Test
630	Anagrams (II)
631	Microzoft Calendar
632	Compression (II)
633	A Chess Knight
634	Polygon
635	Clock solitaire
636	Squares (III)
637	Booklet Printing
638	Finding Rectangles
639	Don't Get Rooked			lucky 貓
640	Self Numbers			lucky 貓
641	Do the Untwist
642	Word Amalgamation			ruby 兔
643	Bulk Mailing
644	Immediate Decodability
645	File Mapping
646	The Gourmet Club
647	Chutes and Ladders
648	Stamps (II)
649	You Who?
650	Bowl
651	Deck
652	Eight
653	Gizilch
654	Ratio
655	Scrabble
656	Optimal Programs
657	The die is cast
658	It's not a Bug, it's a Feature!
659	Reflections
660	Going in circles on Alpha Centauri
661	Blowing Fuses	1.5	Ad hoc, Min max	lucky 貓
662	Fast Food
663	Sorting Slides
664	Single-Player Games
665	False coin			lucky 貓
666	Rating
667	Fence
668	Parliament			lucky 貓
669	Defragment
670	The dog task
671	Spell checker
672	Gangsters
673	Parentheses Balance			lucky 貓
674	Coin Change	2.5	DP, Coin change (Like UVa 357)	lucky 貓
675	Convex Hull of the Polygon
676	Horse Step Maze
677	All Walks of length ``n from the first node
678	Schedule of Taiwan Baseball League
679	Dropping Balls			lucky 貓
680	Movement of Reading Head
681	Convex Hull Finding	3.0	Computational geometry, Convex hull	lucky 貓
682	Whoever-pick-the-last-one-lose
683	Character Decoding
684	Integral Determinant
685	Least Path Cost
686	Goldbach's Conjecture (II)	1.5	Number theory, Prime sieve, Goldbach's conjecture	lucky 貓
687	Lattice Practices
688	Mobile Phone Coverage
689	Napoleon's Grumble
690	Pipeline Scheduling
691	Triangle Partition
692	BUT We Need a Diagram
693	Digital Racing Circuit
694	The Collatz Sequence	1.0	Collatz conjecture, 3n+1, simulation, Ad hoc	lucky 貓
695	Placing the Ops
696	How Many Knights
697	Jack and Jill
698	Index
699	The Falling Leaves			lucky 貓
007 - Volume VII
題號	標題	難度	參考解題方向	備註
700	Date Bugs			lucky 貓
701	The Archeologists' Dilemma			ruby 兔
702	The Vindictive Coach
703	Triple Ties: The Organizer's Nightmare
704	Colour Hash			lucky 貓
705	Slash Maze			ruby 兔
706	LCD Display			lucky 貓
707	Robbery
708	Dreisam Equations
709	Formatting Text
710	The Game
711	Dividing up			ruby 兔
712	S-Trees
713	Adding Reversed Numbers			lucky 貓
714	Copying Books
715	Substitution Cipher
716	Commedia dell' arte
717	Calculating Expressions on Turing Machine
718	Skyscraper Floors
719	Glass Beads
720	Hares and Foxes
721	Invitation Cards
722	Lakes
723	Comment Removal
724	Reverse (Omran age hallesh koni)
725	Division			lucky 貓
726	Decode
727	Equation			lucky 貓
728	Scatter Point Plot
729	The Hamming Distance Problem			lucky 貓
730	Morse Code Generation
731	Numerical Summation of a Series
732	Anagrams by Stack			ruby 兔
733	Follow the Folding Dot
734	The Programmer's Hex
735	Dart-a-Mania
736	Lost in Space
737	Gleaming the Cubes			ruby 兔
738	A Logical Problem
739	Soundex Indexing			ruby 兔
740	Baudot Data Communication Code			lucky 貓
741	Burrows Wheeler Decoder
742	Domino Game
743	The MTM Machine
744	Triangular Museum
745	Numeric Puzzles Again!
746	Polygon Visibility
747	Grid Soccer
748	Exponentiation			lucky 貓
749	Machine Repair Simulation
750	8 Queens Chess Problem			lucky 貓
751	Triangle War
752	Unscrambling Images
753	A Plug for UNIX
754	Treasure Hunt
755	487-3279			lucky 貓
756	Biorhythms
757	Gone Fishing
758	The Same Game
759	The Return of the Roman Empire			lucky 貓
760	DNA Sequencing
761	Transform those strings
762	We Ship Cheap			lucky 貓
763	Fibinary Numbers			lucky 貓
764	Pentominos
765	References
766	Sum of powers
767	Game
768	Crossword
769	Magic of David Copperfield
770	Puncher
771	Flying Stars
772	Divide et unita
773	The JustaPox Language
774	Driving in City Squares
775	Hamiltonian Cycle
776	Monkeys in a Regular Forest
777	Codebreakers
778	Recording a tape
779	Wily Hacker's Problem
780	Sentence Generator
781	Optimisation
782	Contour Painting
783	Trains
784	Maze Exploration			ruby 兔
785	Grid Colouring			ruby 兔
786	Working with Relations
787	Maximum Sub-sequence Product
788	One Day Tours
789	Indexing
790	Head Judge Headache
791	Term Reductions
792	Program Modules
793	Network Connections			lucky 貓
794	Straightest Paths
795	Sandorf's Cipher
796	Critical Links
797	Two Way Traffic
798	Tile Puzzle
799	Safari Holiday
008 - Volume VIII
題號	標題	難度	參考解題方向	備註
800	Crystal Clear
801	Flight Planning
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			ruby 兔
809	Bullet Hole
810	A Dicey Problem
811	The Fortified Forest
812	Trade on Verweggistan
813	Robot
814	The Letter Carrier's Rounds
815	Flooded!			ruby 兔
816	Abbott's Revenge
817	According to Bartjens
818	Cutting Chains
819	Gifts Large and Small
820	Internet Bandwidth			lucky 貓
821	Page Hopping			ruby 兔
822	Queue and A
823	Stopper Stumper
824	Coast Tracker
825	Walking on the Safe Side			lucky 貓
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			ruby 兔
834	Continued Fractions	1.5	Ad hoc, Gcd	lucky 貓
835	Square of Primes
836	Largest Submatrix			lucky 貓
837	Light and Transparencies
838	Worm World			lucky 貓
839	Not so Mobile			ruby 兔
840	Deadlock Detection
841	Snake
842	Crossword Puzzles
843	Crypt Kicker			ruby 兔
844	Pousse
845	Gas Station Numbers			lucky 貓
846	Steps	1.5	Ad hoc, Math, Triangular number	lucky 貓
847	A Multiplication Game			lucky 貓
848	Fmt
849	Radar Tracking
850	Crypt Kicker II			ruby 兔
851	Maze
852	Deciding victory in Go
853	DVD Subtitles
854	Worse Code
855	Lunch in Grid City			lucky 貓
856	The Vigenère Cipher
857	Quantiser
858	Berry Picking
859	Chinese Checkers
860	Entropy Text Analyzer
861	Little Bishops			lucky 貓
862	Origami
863	Process Scheduling
864	Scheme Pretty-Printing
865	Substitution Cypher			ruby 兔
866	Intersecting Line Segments	3.0	Computational geometry, Segment intersection
867	Storing Images in a Sequence
868	Numerical Maze
869	Airline Comparison			ruby 兔
870	Intersecting Rectangles
871	Counting Cells in a Blob			ruby 兔
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	1.5	Math, Cantor, Triangular number	lucky 貓
881	Points, Polygons and Containers
882	The Mailbox Manufacturers Problem
883	Overlapping Rectangles
884	Factorial Factors	2.0	Number theory, Prime sieve, Factorization	lucky 貓
885	Telephone Directory Alphabetization
886	Named Extension Dialing
887	Revolutionary Calendar
888	Donkey
889	Islands
890	Maze (II)
891	Syntrax
892	Finding words
893	Y3K Problem
894	Juggling Trams
895	Word Problem	1.5	Ad hoc, Word frequency, Dictionary	ruby 兔
896	Board Game
897	Anagrammatic Primes			ruby 兔
898	Hole Cutter
899	Colour Circles
009 - Volume IX
題號	標題	難度	參考解題方向	備註
900	Brick Wall Patterns			ruby 兔
901	From Databases to XML
902	Password Search	2.0	Ad hoc, Hash, Word frequency	ruby 兔
903	Spiral of Numbers			lucky 貓
904	Overlapping Air Traffic Control Zones
905	Tacos Panchita
906	Rational Neighbor
907	Winterim Backpacking Trip			lucky 貓
908	Re-connecting Computer Sites			lucky 貓
909	The BitPack Data Compression Problem
910	TV game
911	Multinomial Coefficients
912	Live From Mars
913	Joana and the Odd Numbers	1.0	Math, Square number	lucky 貓
914	Jumping Champion	2.0	Number theory, Prime sieve, Count frequency	ruby 兔
915	Stack of Cylinders
916	Dividing Land
917	Euro 2004
918	ASCII Mandelbrot
919	Cutting Polyominoes
920	Sunny Mountains	2.5	Computational geometry, Segment intersection	ruby 兔
921	A Word Puzzle in the Sunny Mountains
922	Rectangle by the Ocean
923	One Against Many
924	Spreading The News
925	No more prerequisites, please!
926	Walking Around Wisely
927	Integer Sequences from Addition of Terms
928	Eternal Truths
929	Number Maze			ruby 兔
930	Polynomial Roots
931	The Probable n-Ascendants
932	Checking the N-Queens Problem
933	Water Flow
934	Overlapping Areas
935	Smart Strategy
936	Mars for Sale
937	Kriss Kross Puzzle
938	Gilix
939	Genes
940	Autobiographical Numbers
941	Permutations			ruby 兔
942	Cyclic Numbers
943	Number Format Translator
944	Happy Numbers
945	Loading a Cargo Ship
946	A Pile of Boxes
947	Master Mind Helper
948	Fibonaccimal Base			ruby 兔
949	Getaway
950	Tweedle Numbers
951	The Pieces of the Puzzle
952	Uno game
953	The Incredible Pile Machine
954	Tetravex solver
955	Interpreting Old Maps
956	The Minimum Slot Machine
957	Popes
958	A Homer's Holiday
959	Car Rallying
960	Gaussian Primes
961	Ambiguous or Incomplete Inductive Definitions
962	Taxicab Numbers
963	Spelling Corrector
964	Custom Language
965	Police Road Blocks
966	Lost Inheritances
967	Circular			ruby 兔
968	Constellations
969	AlienAlgebra
970	Particles
971	Towers
972	Horizon Line
973	The Guessing Game
974	Kaprekar Numbers			ruby 兔
975	Gutenberg Clumsy Helper
976	Bridge Building
977	Old West Rumours
978	Lemmings Battle!
979	The Abominable Triangleman
980	X-Express
981	Systematic Cyclic Redundancy Check Codes
982	Cube
983	Localized Summing for Blurring
984	Finding Haplotypes
985	Round and Round Maze
986	How Many?
987	Maternity
988	Many Paths, One Destination
989	Su Doku			lucky 貓
990	Diving for Gold	2.5	DP, 0-1 knapsack	ruby 兔
991	Safe Salutations			ruby 兔
992	Customer Service Cost Evaluation
993	Product of digits	1.5	Greedy	lucky 貓
994	POP
995	Super Divisible Numbers
996	Find the Sequence
997	Show the Sequence
998	Dendogram
999	Book signatures