uva 工具网站
（发现这些网站都非常不错，转了！未知作者，目测台湾人）
UVa Online Judge 工具網站 转自http://www.csie.ntnu.edu.tw/~u91029/uva.html
Lucky貓的ACM園地，Lucky貓的 ACM 中譯題目 Mirror
這個站專門提供UVa Online Judge中譯題目。非常棒！非常棒！非常棒！
我在搜尋引擎輸入過上百次的Luckycat！
UVa Online Judge: Electronic Board
UVa Online Judge的問題討論版。
由於主頁上沒有放連結，所以可能有人不知道。
發問時請遵守板規，
善用搜尋功能，找到問題的討論串，發問時採用回覆文章方式。
讓後人可以容易找到相關討論。
UVA toolkit
站長將他寫過的UVa Online Judge的題目整理成表，
每一題都貼心的寫下了解題提示，
也提供了執行檔，供大家自行測試自己的測試資料。
是個很好用的網站！
Felix Halim .Net，UVa Hunting
這個站製作了一些網頁小工具，
讓使用者可以查詢自己在UVa Online Judge的解題進度，
以及比對自己和別人的解題清單。相當好用！
此站站長和World of Seven的站長是兄弟關係。
World of Seven: Methods to Solve
站長熱愛程設解題，在新加坡大學當學生時，憑著熱情而創立了這個網站。
站長現在已經是新加坡大學的教授，而且有在教授程式解題的課程，
最近還出版了一本程式解題的教科書：Competitive Programming。
站長也將自己寫過的題目做了清楚的分類，
留下了簡短的提示，供後人參考。
Algorithmist
這個網站屬於wiki性質，
旨在收集各個OJ的題目分類、釋意、測試資料，
另外還有一些資料結構和演算法的教學文章。
網站上面的資料開放給大家自由補充，
如果你有興趣，倒是可以替這個站補充資料。
igor's UVa tools
早期的網站，現在站長已經沒有更新網站了。
不過網站左上角的grep功能還滿好用的，可以搜尋問題的提示。
UVa Online Judge 解題資訊
星子ACM小窩
這裡提供了一些UVa Online Judge題目的測試資料。
如果遇到了瓶頸，不妨來這裡下載測試資料，測試自己的程式。
它曾經是台灣最大的UVa Online Judge討論區，不過討論區已經關閉，網站也停止更新了。
星子ACM小窩 Ver3.1
這是星子ACM小窩的新版本，最近正在整理解答。
中山大學「高等程式設計與實作」課程
2003，2004，2006，2007，2008，2010，2011
2008集訓，2009集訓，2010集訓
歷年的課程主頁裡面，可以找到一些解題報告。
Problem source of acm online judge
kcwu前輩所整理的UVa Online Judge基本題庫的題目來源、測試資料、解答程式碼。
Our Quest to Solve the UVa ICPC Online Problem Set :: UVa Solutions
網路上有人整理的UVa Online Judge解法提示。
Waterloo Programming Contests
加拿大滑鐵盧大學所舉辦的線上比賽，題目於賽後都歸入UVa Online Judge的競賽題庫。
可以找到UVa Online Judge競賽題庫中許多題目的測試資料、解答程式碼。
Bal4u
一位日本人Bal4u的個人部落格。
過去曾有許多強大的演算法教學文章，以及UVa Online Judge一些難題的解法。
Bal4u曾在UVa Online Judge排名第三名。
UVa Online Judge 題目分類
Programming Challenges 的習題
歸類方式、難度高低都是十分詭異。不過這些題目相當有特色，值得一試。
New Comer
★ 100 The 3n + 1 problem
★ 10189 Minesweeper
★ 10137 The Trip
★ 706 LCD Display
★ 10267 Graphical Editor
★★ 10033 Interpreter
★ 10196 Check The Check
★ 10142 Australian Voting
Data Structure
★ 10038 Jolly Jumpers
★★ 10315 Poker Hands
★★ 10050 Hartals
★★ 843 Crypt Kicker
★ 10205 Stack 'em Up
★★ 10044 Erdos Numbers
★ 10258 Contest Scoreboard
★★★ 10149 Yahtzee
String
★ 10082 WERTYU
★★ 10010 Where's Waldorf?
★ 10252 Common Permutation
★★ 850 Crypt Kicker II
★ 10188 Automated Judge Script
★★ 10132 File Fragmentation
★★★ 10150 Doublets
★★ 848 Fmt
Sorting
★ 10041 Vito's Family
★★ 120 Stacks of Flapjacks
★★★ 10037 Bridge
★ 10191 Longest Nap
★★ 10026 Shoemaker's Problem
★★ 10138 CDVII
★★ 10152 ShellSort
★ 10194 Football (aka Soccer)
Arithmetic and Algerba
★ 10035 Primary Arithmetic
★ 10018 Reverse and Add
★ 701 The Archeologists' Dilemma
★★ 10127 Ones
★★★ 847 A Multiplication Game
★ 10105 Polynomial Coefficients
★ 10077 The Stern-Brocot Number System
★★★★ 10202 Pairsumonious Numbers
Combinations
★ 10183 How Many Fibs?
★★ 10213 How Many Pieces of Land ?
★★ 10198 Counting
★★ 10157 Expressions
★★ 10247 Complete Tree Labeling
★★ 10254 The Priest Mathematician
★★ 10049 Self-describing Sequence
★★ 846 Steps
Number Theory
★ 10110 Light, More Light
★★ 10006 Carmichael Numbers
★ 10104 Euclid Problem
★★ 10139 Factovisors
★★ 10168 Summation of Four Primes
★ 10042 Smith Numbers
★ 10090 Marbles
★★ 10089 Repackaging
Backtracking
★★ 861 Little Bishops
★★★ 10181 15-Puzzle Problem
★★ 10128 Queue
★★ 10160 Servicing Stations
★★ 10032 Tug of War
★★ 10001 Garden of Eden
★★★ 704 Colour Hash
★★★ 10270 Bigger Square Please...
Graph Traversal
★ 10004 Bicoloring
★★ 10067 Playing with Wheels
★★★ 10099 The Tourist Guide
★★ 705 Slash Maze
★★★ 10029 Edit Step Ladders
★★★ 10051 Tower of Cubes
★★★ 10187 From Dusk Till Dawn
★★★ 10276 Hanoi Tower Troubles Again!
Graph Algorithm
★★ 10034 Freckles
★★★ 10054 The Necklace
★★ 10278 Fire Station
★★★ 10039 Railroads
★★★ 10158 War
★★★ 10199 Tourist Guide
★★★★ 10249 The Grand Dinner
★★★ 10092 The Problem with the Problem Setter
Dynamic Programming
★★ 10131 Is Bigger Smarter?
★★★ 10069 Distinct Subsequences
★★★ 10154 Weights and Measures
★★★ 116 Unidirectional TSP
★★ 10003 Cutting Sticks
★★★ 10261 Ferry Loading
★★★ 10271 Chopsticks
★★★ 10201 Adventures in Moving - Part IV
Grid
★ 10161 Ant on a Chessboard
★★★ 10047 The Monocycle
★★ 10159 Star
★★ 10182 Bee Maja
★★★ 707 Robbery
★★ 10177 (2/3/4)-D Sqr/Rects/Cubes/Boxes?
★★ 10233 Dermuba Triangle
★★★ 10075 Airlines
Geometry
★ 10310 Dog and Gopher
★★ 10180 Rope Crisis in Ropeland!
★★ 10195 The Knights Of The Round Table
★★★ 10136 Chocolate Chip Cookies
★★ 10167 Birthday Cake
★★ 10215 The Largest/Smallest Box ...
★★★ 10209 Is This Integration ?
★★★ 10012 How Big Is It?
Computational Geometry
★★ 10135 Herding Frosh
★★ 10245 The Closest Pair Problem
★★★ 10043 Chainsaw Massacre
★★★ 10084 Hotter Colder
★★★ 10065 Useless Tile Packers
★★ 849 Radar Tracking
★★★ 10088 Trees on My Island
★★★★ 10117 Nice Milk
UVa Online Judge 擁有的 ACM/ICPC Finals 題目列表
http://online-judge.uva.es/board/viewtopic.php?t=5351&sid=9bae5b7ba1cfc9b3aaed47cbfd161bf9
The problems of finals before 2001 are in the problemset,
but not all of them can be submitted.
1990: 200 - 207
1991: 208 - 214
1992: 215 - 221
1993: 222 - 229
1994: 230 - 237
1995: 238 - 245
1996: 246 - 252
1997: 506 - 513
1998: 800 - 807
1999: 808 - 815
2000: 816 - 823
附帶一提， 2001 年以後的題目都在 The 2000's ACM-ICPC Live Archive Around the World 。
USACO 論壇上有人提供的題單
-----------------------------------
Flood Fill:
-----------------------------------
352 - The Seasonal War
469 - Wetlands of Florida
572 - Oil Deposits
657 - The die is cast
705 - Slash Mazes
776 - Monkeys in a Regular Forest
782 - Contour Painting
784 - Maze Exploration
785 - Grid Colouring
830 - Shark
852 - Deciding victory in Go
10279 - Mine Sweeper
10336 - Rank the Languages
10592 - Freedom Fighter
10946 - You want what filled?
-----------------------------------
Max Flow / Max Bipartite Matching:
-----------------------------------
259 - Software Allocation
563 - Crimewave
663 - Sorting Slides
670 - The Dog Task
753 - a plug for unix
820 - Internet Bandwidth
10080 - Gopher II
10092 - The Problem with the Problem Setter
10122 - Mysterious Mountain
10249 - the grand dinner (Max Flow too slow for TLE)
10330 - Power Transmission
10380 - Shogi Tournament
10511 - Councilling
10746 - Crime Wave - The Sequel
10779 - Collectors Problem
10804 - Gopher Strategy
-----------------------------------
Games:
-----------------------------------
847 - Multiplication Game
10368 - Euclids Game
10404 - Bachet's Game
10578 - The Game of 31
-----------------------------------
Dynamic Programming:
-----------------------------------
108 - Maximum Sum
111 - History Grading
116 - Unidirectional TSP
147 - Dollars
164 - String Computer
231 - Testing the CATCHER
348 - Optimal Array Multiplication Sequence
357 - Let Me Count The Ways
442 - Matrix Chain Multiplication
481 - What Goes Up
497 - Strategic Defense Initiative
507 - Jill Rides Again
526 - String Distance and Edit Process
531 - Compromise
562 - Dividing Coins
674 - Coin Change
711 - Dividing Up
836 - Largest Submatrix
10003 - Cutting Sticks
10032 - Tug Of War
10051 - Tower of Cubes
10066 - The Twin Towers
10069 - Unidirectional TSP
10081 - Tight Words
10100 - Longest Match
10130 - SuperSale
10131 - Is Bigger Smarter?
10154 - Weights and Measures
10192 - Vacation
10201 - Advantures in Moving Part IV
10259 - Hippity Hopscotch
10261 - Ferry Loading
10280 - Old Wine into New Bottles
10304 - Optimal Binary Search Tree
10379 - Pit Stop Strategy
10400 - Game Show Math
10405 - Longest Common Subsequence
10465 - Homer Simpson
10482 - The Candyman Can
10529 - Dumb Bones
10549 - Russian Dolls
10558 - A Brief Gerrymander
10559 - Blocks
10593 - Kites
10599 - Robots (II)
10604 - Chemical Reaction
10617 - Again Palindrome
10635 - Prince and Princess
10645 - Menu
10664 - Luggage
10690 - Expression Again
10721 - Bar Codes
10723 - Cyborg Genes
10739 - String to Palindrome
10755 - Garbage Heap
10759 - Dice Throwing
10817 - Headmaster's Headache
10819 - Trouble of 13-Dots
10827 - Maximum Sum on a Torus
10860 - Many a Little Makes a Mickel
10874 - Segments
10898 - Combo Deal
10912 - Simple Minded Hashing
10913 - Walking on a Grid
-----------------------------------
Graphs:
-----------------------------------
117 - The Postal Worker Rings Once
125 - Numbering Paths
280 - vertex
709 - Formatting Text (the shortest path)
793 - Network Connections
10239 - The Book-shelver's Problem (the shortest path)
10265 - Toroidal Chess Queens' Problem (tree rounds ???)
10266 - Surveying (connected components)
10054 - euler problem
10178 - count the faces
10608 - Friends
10731 - Test
-----------------------------------
Connectivity:
-----------------------------------
459 - Graph Connectivity
10147 - Highways
10397 - Connect the Campus
-----------------------------------
Big Integer:
-----------------------------------
324 - Factorial Frequencies
424 - Integer Inquiry
495 - Fibonacci Freeze
623 - 500!
713 - Adding Reversed Numbers
10013 - Super long sums
10018 - Reverse and Add
10035 - Primary Arithmetic
10106 - Product
10220 - I Love Big Numbers !
10515 - Powers Et Al.
-----------------------------------
Counting:
-----------------------------------
357 - Let Me Count The Ways
369 - Combinations
10219 - Find the ways !
10338 - Mischievous Children
-----------------------------------
Josephus:
-----------------------------------
151 - Power Crisis
440 - Eeny Meeny Moo
-----------------------------------
Math:
-----------------------------------
106 - Fermat vs. Pythagoras
113 - Power of Cryptography
579 - ClockHands
834 - Continued Fractions
847 - A Multiplication Game
10071 - Back to High School Physics
10079 - Pizza Cutting
10161 - Ant on a Chessboard
10302 - Summation of Polynomials
10408 - Farey sequences
-----------------------------------
Matrix:
-----------------------------------
108 - Maximum Sum
348 - Optimal Array Multiplication Sequence
541 - Error Correction
836 - Largest Submatrix
10189 - Minesweeper
-----------------------------------
Number Conversion:
-----------------------------------
344 - Identifying Concurrent Events
446 - Kibbles ``n'' Bits ``n'' Bits ``n'' Bits
575 - Skew Binary
10469 - To Carry or not to Carry
-----------------------------------
Number Theory:
-----------------------------------
136 - Ugly Numbers
138 - Street Numbers
160 - Factors and Factorials
256 - Quirksome Squares
294 - Divisors
350 - Pseudo-Random Numbers
382 - Perfection
406 - Prime Cuts
408 - Uniform Generator
543 - Goldbach's Conjecture
686 - Goldbach's Conjecture (II)
10200 - Prime Time
-----------------------------------
Simulation:
-----------------------------------
10346 - Peter's Smoke
10409 - Die Game
-----------------------------------
Sorting & Searching:
-----------------------------------
299 - Train Swapping
331 - Mapping the Swaps
499 - What's The Frequency, Kenneth?
10008 - What's Cryptanalysis?
10107 - What is the Median?
10295 - Hay Points
10327 - Flip Sort
-----------------------------------
String:
-----------------------------------
272 - TEX Quotes
401 - Palindromes
444 - Encoder and Decoder
458 - The Decoder
483 - Word Scramble
490 - Rotating Sentences
492 - Pig-Latin
494 - Kindergarten Counting Game
576 - Haiku Review
739 - Lost in Space
10082 - WERTYU
10222 - Decode the Mad man
10260 - Soundex
10293 - Word Length and Frequency
10340 - Peter's Smoke
10361 - Peter's Smoke
10424 - Love Calculator
10508 - Word Morphing
-----------------------------------
Tree:
-----------------------------------
536 - Tree Recovery
10223 - How many nodes ?
10410 - Tree Reconstruction
-----------------------------------
Variable Range:
-----------------------------------
10055 - Hashmat the Brave Warrior
-----------------------------------
Greedy:
-----------------------------------
10020 - Minimal Coverage
10382 - Watering Grass
10440 - Ferry Loading (II)
10563 - Least Squares
10665 - Diatribe
咩咩小綿羊
白爛題系列（不需要什麼演算法,單純的直覺想法就行的（其實就是暴力拉^^））
100 The 3n + 1 problem
119 Greedy Gift Givers
139 Telephone Tangles
145 Gondwanaland Telecom
161 Traffic Lights
187 Transaction Processing
264 Count on Cantor
272 TEX Quotes （大白爛）
278 Chess
294 Divisors
344 Roman Digititis
347 Run, Run, Runaround Numbers
382 Perfection
391 Mark-up
414 Machined Surfaces
492 Pig-Latin
495 Fibonacci Freeze
499 What's The Frequency, Kenneth?
537 Artificial Intelligence?
541 Error Correction
543 Goldbach's Conjecture
591 Box of Bricks （大白爛二號）
686 Goldbach's Conjecture (II)
簡單題（比白爛題需要多花些腦筋來想想ㄉ,但也不難）
102 Ecological Bin Packing
105 The Skyline Problem
120 Stacks of Flapjacks
123 Searching Quickly
128 Software CRC
140 Bandwidth
144 Student Grants
202 Repeating Decimals （循環小數）
275 Expanding Fractions （循環小數）
276 Egyptian Multiplication
320 Border
325 Identifying Legal Pascal Real Constants
377 Cowculations
389 Basically Speaking （N進位轉換）
392 Polynomial Showdown
394 Mapmaker
398 18-Wheeler Caravans (aka Semigroups)
399 Another Puzzling Problem （只有唯一一種拼法）
418 Molecules
422 Word-Search Wonder
440 Eeny Meeny Moo
441 Lotto
556 Amazing
575 Skew Binary
576 Haiku Review
581 Word Search Wonder
613 Numbers That Count
殺人遊戲（就是環狀queue而已）
130 Roman Roulette
133 The Dole Queue
305 Joseph
402 M*A*S*H
所有排列的問題
124 Following Orders
146 ID Codes
153 Permalex
195 Anagram
417 Word Index
日期、時間計算的問題
150 Double Time
158 Calendar
300 Maya Calendar
505 Moscow time
518 Time
602 What Day Is It?
比較數學點的（這種題目通常也不難的）
106 Fermat vs. Pythagoras
107 The Cat in the Hat
113 Power of Cryptography
138 Street Numbers
160 Factors and Factorials （階乘）
188 Perfect Hash
190 Circle Through Three Points
256 Quirksome Squares
324 Factorial Frequencies （階乘）
350 Pseudo-Random Numbers
369 Combinations ( C(n,m) )
371 Ackermann Functions
374 Big Mod
386 Perfect Cubes
406 Prime Cuts
408 Uniform Generator
412 Pi
415 Sunrise
427 FlatLand Piano Movers
438 The Circumference of the Circle
504 Random number
516 Prime Land
530 Binomial Showdown
535 Globetrotter
557 Burger
568 Just the Facts
照著題目模擬的題目
101 The Blocks Problem
114 Simulation Wizardry
118 Mutant Flatworld Explorers
141 The Spot Game
339 SameGame Simulation
340 Master-Mind Hints
379 Hi-Q
395 Board Silly
411 Centipede Collisions
559 Squares (II)
573 The Snail
577 WIMP
587 There's treasure everywhere!
589 Pushing Boxes
603 Parking Lot
617 Nonstop Travel
玩撲克牌的問題（ACM這類題還不少^^..都不難就是了)
127 ``Accordian'' Patience
131 The Psychic Poker Player
162 Beggar My Neighbour
170 Clock Patience
178 Shuffling Patience
181 Hearts
462 Bridge Hand Evaluator
555 Bridge Hands
有關資料結構的問題
112 Tree Summing
115 Climbing Trees
514 Rails
540 Team Queue
615 Is It A Tree?
排序的問題
103 Stacking Boxes
299 Train Swapping
612 DNA Sorting
Search的題目（DFS,BFS,Back Tracing皆歸在此類）
125 Numbering Paths
165 Stamps
167 The Sultan's Successors
185 Roman Numerals
193 Graph Coloring
197 Cube
291 The House Of Santa Claus
307 Sticks
310 L--system
317 Hexagon
321 The New Villa
387 A Puzzling Problem
519 Puzzle (II)
529 Addition Chains
532 Dungeon Master
539 The Settlers of Catan
560 Magic
562 Dividing coins
幾何問題(算多邊形面積,判斷線段相交)
109 SCUD Busters
137 Polygons
142 Mouse Clicks
143 Orchard Trees
184 Laser Lines
191 Intersection
270 Lining Up
273 Jack Straws
361 Cops and Robbers
378 Intersecting Lines
688 Mobile Phone Coverage
Greedy的問題
311 Packets
DP問題（動態規劃）
108 Maximum Sum
111 History Grading
116 Unidirectional TSP
136 Ugly Numbers
164 String Computer
165 Stamps
326 Extrapolation Using a Difference Table
348 Optimal Array Multiplication Sequence
413 Up and Down Sequences
437 The Tower of Babylon
439 Knight Moves
443 Humble Numbers
485 Pascal's Triangle of Death
497 Strategic Defense Initiative
531 Compromise
542 France '98
585 Triangles
換零錢的
147 Dollars
166 Making Change
357 Let Me Count The Ways
最短路徑（用Warshall,Dijstra和一些變形）
104 Arbitrage
117 The Postal Worker Rings Once
125 Numbering Paths
157 Route Finding
186 Trip Routing
314 Robot
383 Shipping Routes
393 The Doors
436 Arbitrage (II)
534 Frogger
544 Heavy Cargo
567 Risk
雜項Graph的問題
200 Rare Order （拓樸排序）
274 Cat and Mouse
336 A Node Too Far
345 It's Ir-Resist-Able!
380 Call Forwarding
515 King (find negative cycle)
558 Wormholes (find negative cycle)
563 Crimewave (Max Flow)
572 Oil Deposits
593 MBone
遞迴問題(D&C之類ㄉ)
110 Meta-Loopless Sorts
112 Tree Summing
122 Trees on the level
129 Krypton Factor
155 All Squares
174 Strategy
183 Bit Maps
254 Towers of Hanoi （大數+遞迴）
442 Matrix Chain Multiplication
536 Tree Recovery
574 Sum It Up
586 Instant Complexity
618 Doing Windows
語法檢查的問題(檢查特殊的語言語法)
134 Loglan-A Logical Language
171 Car Trialling
271 Simply Syntax
384 Slurpys
401 Palindromes
大數運算
254 Towers of Hanoi （大數+遞迴）
338 Long Multiplication
424 Integer Inquiry
619 Numerically Speaking
苦工題（題目不難但是output很煩而以）
126 The Errant Physicist
159 Word Crosses
312 Crosswords (II)
337 Interpreting Control Sequences
338 Long Multiplication
381 Making the Grade
400 Unix ls
403 Postscript
614 Mapping the Route
四則運算,運算式剖析的問題
172 Calculator Language
198 Peter's Calculator
327 Evaluating Simple C Expressions
397 Equation Elation
533 Equation Solver
字串處理
148 Anagram checker
156 Ananagrams
175 Keywords
179 Code Breaking
277 Cabinets
306 Cipher
333 Recognizing Good ISBNs
385 DNA Translation
390 Letter Sequence Analysis
409 Excuses, Excuses!
466 Mirror, Mirror
486 English-Number Translator
554 Caesar Cypher
689 Napoleon's Grumble
要想通式或解法的
121 Pipe Fitters
135 No Rectangles
177 Paper Folding
366 Cutting Up
434 Matty's Blocks
571 Jugs
580 Critical Mass
588 Video Surveillance
608 Counterfeit Dollar
616 Coconuts, Revisited
未歸類ㄉ
132 Bumpy Objects
149 Forests
163 City Directions
168 Theseus and the Minotaur
169 Xenosemantics
173 Network Wars
176 City Navigation
180 Eeny Meeny
182 Bonus Bonds
189 Pascal Program Lengths
192 Synchronous Design
194 Triangle
196 Spreadsheet
199 Partial differential equations
301 Transportation
302 John's trip
303 Pipe
304 Department
308 Tin Cutter
309 FORCAL
313 Intervals
315 Network
316 Stars
318 Domino Effect
319 Pendulum
322 Ships
323 Jury Compromise
328 The Finite State Text Processing Machine
329 PostScript Emulation
330 Inventory Maintenance
334 Identifying Concurrent Events
346 Getting Chorded
349 Transferable Voting (II)
388 Galactic Import
396 Top Dog
404 Radar Scopes
405 Message Routing
407 Gears on a Board
410 Station Balance
416 LED Test
419 Matching Meetings
420 Supercomputer Selection, The Sequel
421 Polygonal Puzzle
423 MPI Maelstrom
425 Enigmatic Encryption
500 Table
501 Black Box
502 DEL command
503 Parallelepiped walk
517 Word
520 Append
521 Gossiping
538 Balancing Bank Accounts
550 Multiplying by Rotation
561 Jackpot
564 Gaston
565 Pizza Anyone?
566 Adam's Genes
569 Horse Shoe Scoring
570 Stats
590 Always on the run
592 Island of Logic
600 A Duckpin Tournament
601 The PATH
604 The Boggle Game
606 Keeps Going and Going and ...
607 Scheduling Lectures
609 Metal Cutting
611 Parallel Deadlock
692 BUT We Need a Diagram
不知道是誰整理的題單
http://webdocs.cs.ualberta.ca/~contest/club/class.txt
------------------------------------------------------------
Graph Theory:
------------------------------------------------------------
- Topological Sorting:
00200 Rare Order Find the correct ordering of an alphabet
10305 Ordering Tasks Provide some ordering of tasks
- Trees
00112 Tree Summing Navigate through a LISP encoded binary tree
00115 Climbing Trees Figure out the relationships between people
00122 Trees on the level Produce level-order traversals of binary trees
00615 Is It A Tree? Determine whether or not the graph is a tree
10308 Roads in the North Find the longest distance (diameter) of a tree.
- Eulerian Graphs
00117 The Postal Worker... Minimize a cost tour for a postman
(Simplified Chinese Postman problem)
- Cycles
00125 Numbering Paths Count number of paths in a directed graph
00626 Ecosystem Find/Print all cycles of size 3
- Polygon Intersection
00137 Polygons Find the XOR of two polygon areas
- Maximum Flow
00563 Crimewave Solve the escape problem
- Minimum Spanning Trees
10307 Killing Aliens in Bor.. Find least cost way to assimilate all
------------------------------------------------------------
Dynamic Programming:
------------------------------------------------------------
- Memotization
00101 The 3n + 1 Problem Find the size of the longest sequence
00371 Ackermann Functions Find the size of the longest sequence
00547 DDF Output the longest Decimal-Digit Factor
- Longest Asc/Desc Subsequence
00103 Stacking Boxes Find the longest desc. subsequence in n-dims.
00111 History Grading Find marks for a chronologic ordering question
- Longest Common Subsequence
00531 Compromise Find the LCS for two texts
- 1D Minimize/Maximize
00222 Budget Travel Minimize the cost of a road trip
- 2D Minimize/Maximize
00104 Arbitrage Find a successful arbitrage sequence
00108 Maximum Sum Find the sub-rectangle with largest sum
00116 Unidirectional TSP Find the minimal path through a 2D field
00585 Triangles Find the largest triangle in a trianglular field
00590 Always on the run Find the minimum cost for flying city to city
00526 String Distance & Transform... Find the string distance and path
10285 Longest Run on a Snowboard Find the longest snowboarding path in a 2D field
10306 E-coins Find minimum number of 2D coins to get certain sum
- Change Making
00147 Dollars Count # of ways to make change
------------------------------------------------------------
Modelling/Simulation:
------------------------------------------------------------
- Object State Modelling
00102 The Blocks Problem Manipulation of blocks with robot arm
- Planar World Modelling
00114 Simulation Wizardry Simulate a idealized pinball machine
00118 Mutant Flatworld Explorers Simulate robots moving on a plane
00407 Gears on a Board Simulate gears on a plane
00411 Centipede Collisions Simulate centipedes on a plane
00824 Coast Tracker Simulate coastal robots on a plane
- Geometric Structure Modelling
00201 Squares Count the number of squares in a grid
00209 Triangular Vertices Model triangular coordinates
- Record Keeping / Bookkeeping
00119 Greedy Gift Givers Keep track of everyone's net gain/loss
00123 Searching Quickly Keep track of keywords in titles of books
00139 Telephone Tangles Keep track of telephone bill
00145 Gondwanaland Telecom Keep track of telephone bill
00405 Message Routing Keep track of where routing goes
00603 Parking Lot Keep track of cars in a parking lot
00645 File Mapping Print out a file directory
- Josephus Rings
00130 Roman Roulette Find the survivor
00133 The Dole Queue Find the order of selected people
00144 Student Grants Find the order of students getting grants
00151 Power Crisis Find the step such that a certain region survives
- Card Games
00127 "Accordian" Patience Simulate Accordian Patience (Solitaire)
00131 The Psychic Poker Player Determine the best Poker hand
00451 Poker Solitaire Evaluate some Poker hands
00462 Bridge Hand Evaluator Evaluate some Bridge hands and suggest a move
00635 Clock Solitaire Count winning Clock solitaire games
- Board Games
00141 The Spot Game Figure out who wins the Spot game
00633 A Chess Knight Figure out how many moves for a dynamic knight
00647 Chutes and Ladders Figure out who wins a game of Chutes and Ladders
10284 Chessboard in FEN Figure out number of unattacked squares
- Parsing:
00134 Loglan-A logical Language Check to see if sentences are in the grammar
00171 Car Trialling Check to see if sentence is valid instruction
00620 Cellular Structure Identify the type of organism.
00622 Grammar Evaluation Evaluate/Parse a [+,*,(,)] math expression
- Calendar/Time Modelling
00150 Double Time Convert between two calendars
00419 Matching Meetings Find suitable meeting times for department
- Sports Games
00584 Bowling Calculate a bowling game score
- Data Type Modelling
00540 Team Queue Implement a efficient TeamQueue (buddy system)
- Print/Font Formatting
00403 Postscript Implement "fonts" with formatting
00416 LED Test Determine if there is a valid LED countdown
00426 Fifth Bank of Swamp County Output the bank record sorted in 3 columns
00433 Bank (Not Quite O.C.R) Check LED version of bank number
- Text Manipulation
00373 Romulan Spelling Fix some spelling mistakes
00444 Encoder and Decoder Encode/Decode according to certain rules
00464 Sentence/Phrase Generator Generate phrases according to grammar rules
00625 Compression Compress some source code
00628 Passwords Rule replacement
00641 Do the Untwist Untwist an encrypted string
- Assembler Modelling
00448 OOPS! Convert hexcode to assembly code
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Arithmetic:
------------------------------------------------------------
- Fractions
00202 Repeating Decimals Figure out length of repeat period of fraction
00834 Continued Fractions Convert fraction to a continued fraction
- Pythagorean Triples
00106 Fermat vs. Pythagoras Generating/Counting Pythagorean triples
- Additive/Multiplicative Series
00107 The Cat in the Hat Calculate the number of cats in the hat
00138 Street Numbers Find special house numbers
10302 Summation of Polynomials Find the sum of the first N cubes
- Exponentiation/Logarithms
00113 Power of Cryptography Find integer roots of large numbers
00545 Heads Find 2^-n = x.xxxE-y for large n
- Polynomials
00126 The Errant Physicist Multiply polynomials of x and y
00586 Instant Complexity Calculate the complexity of a program
- Long Division/Multiplication
00128 Software CRC Calculate the CRC value for a string of text(divide)
00550 Multiplcation by Rotation Find shortest factor with rotamult-property
00465 Overflow Determine whether numbers overflow an int
- Combinatorics:
00135 No Rectangles Find a suitable block design
00146 ID Codes Find the next permutation
00153 Permalex Convert between indices and words sorted in lex. order
00580 Critical Mass Count number of binary strings with 3 consecuive 1's
00527 The partition of a cake Count the number of partitions made by cake cutting
10294 Arif in Dhaka (First Love pt2) Count the number of necklace/bracelets of size N with T colors
10303 How Many Trees? Count the number of binary trees (Catalan numbers)
- Primes/Factorization
00136 Ugly Numbers Find the 1500th ugly number factors(2,3,5)
00583 Prime Factors List the prime factorization of a number efficiently
10311 Goldbach and Euler Determine if a number is sum of 2 primes
- Probability
00542 France '98 Figure out the probability that a team will win
10288 Coupons Figure out probability that you will win
- Number Bases
00619 Numerical Speaking Convert between words and numeric index
- Partitioning
00668 Parliament Find maximum distinct partition product
------------------------------------------------------------
Direct:
------------------------------------------------------------
- Counting:
00102 Ecological Bin Packing Find minimum number of bottles to move
00154 Recycling Find station that minimizes items moving
00278 Chess Count number of non attacking pieces
00413 Up and Down Sequences Count the number of up and down runs
00613 Numbers that Count Find out if numbers are self-inventorying
00637 Booklet Printing Figure out which pages go where in a fold-over booklet
00696 How Many Knights Find max # of knights to place on n*m board
10293 Word Length and Frequency Count length and freq of words
10300 Ecological Premium Count premiums for farmers
- Sorting:
00110 Meta-Loopless Sorts Produce Pascal programs that do sorting
00120 Stacks of Flapjacks Sort a stack of flapjacks using flips
00514 Rails Sort a train using a station
00538 Balancing Bank Accounts Figure out who owes who what
00612 DNA Sorting Sort some DNA based on some trait
00632 Compression (II) Perform a Burrows Wheel Transform
- Recursion
00155 All Squares Count number of squares surrounding a point
00432 Modern Art Generate some modern triangular art
- Palindromes
00401 Palindromes Determine the type of the word
- String manipulation/comparision
00644 Immediate Decodability Determine if the code set is immediately decodable
------------------------------------------------------------
Geometry:
------------------------------------------------------------
- Z-Buffering
00105 The Skyline Problem Construct a skyline vector
00142 Mouse Clicks Determine which windows was clicked
- Convex Hulls
00109 SCUD Busters Determine regions with power after a war
00132 Bumpy Objects Find a stable position for shapes
- Circles
00121 Pipe Fitters Calculate the most pipes that can fit
00149 Forests Determine viewable trees in an infinite forest
10301 Rings and Glue Determine number of intersecting circles
- Points in Polygons
00143 Orchard Trees Determine numbers of points in triangles
00634 Polygon Determine if a point is in a polygon
- Distance
00152 Tree's a Crowd Generate a histogram of tree distances
10310 Dog and Gopher Find out if the golpher can get to hole
- Art Gallery Problem
00588 Video Surveillance Determine if a camera can see all walls
- Spheres/Globes
00535 Globetrotter Find distance between two points on earth
- Polar/Azimuth Coordinates
00404 Radar Scopes Figure out warnings for planes using radar
- Area of polygons
00428 Swamp County Roofs Calculate area of trapezoidal roof tiles
- Pure Geometry
10283 The Kissing Circles Determine areas associated with circles in circles
10286 Trouble with a Pentagon Find the length of largest square in a pentagon
10287 Gifts in a Hexagon Box Fit circles inside a regular hexagonal box
- Center of gravity
10291 Cut the Legs Cut a table so that it balances
- Line intersection
00834 Water Falls Figure out where water will land
----------------------------------------------------------------------
Searching:
----------------------------------------------------------------------
- Constraint Satisfaction
00124 Following Orders Find all consistent orderings
00129 Krypton Factor Find special "hard" sequences
- Brute Force Searching (no pruning)
00140 Bandwidth Check all 8! sequences
00418 Molecules Find the largest molecule that can be made
00565 Pizza Anyone? Satisfy all topping requests if possible
00616 Coconuts, Revisited Find the maximum number of people on island.
00629 Test Find all "non different" sets
00638 Finding Rectangles Find all rectangles in alphabetical order
- Search with pruning
00624 CD Find set of songs which fit best on tape
10309 Turn the Light Off Find min. # of pushes to turn off lights
- Anagrams
00148 Anagram Checker Find possible anagram sentences from dictionary
00630 Anagrams(II) Find possible anagrams for words
00642 Word Amalgamation Find possible anagrams for words
- Word Searches
00581 Word Search Wonder Find words in a grid
00409 Excuses, Excuses! Find key "excuses" in a sentences
00425 Enigmatic Encryption Find the password from a text
00604 The Boggle Game Find matching words in 2 Boggle boards
- Greedy Algorithms
00410 Balance Station Minimize Imbalance for a centrifuge
其他 OJ 的題目分類
整理了很多進階的問題。
http://blog.csdn.net/linleiqin/archive/2010/05/31/5637647.aspx
http://hi.baidu.com/zfy0701/blog/item/b8332b5c7b2dd545fbf2c052.html
http://blog.sina.com.cn/s/blog_5cf979410100h52r.html~type=v5_one&label=rela_prevarticle
