9 by 9 Sudoku Solver
The box below offers an alternative way of filling the board faster. Seed the board with the sample numbers or enter your own numbers. This Sudoku solver will help you solve any valid SuDoku in seconds. Just seed the SuDoku board with numbers and then click on the appropriate button to check, partially solve or completely solve the puzzle. For a complete description of the features scroll down the
高階関数クイズ - camlspotter’s blog
ã¡ã‚‡ã£ã¨ã—ãŸé«˜éšŽé–¢æ•°ã‚’使ã£ãŸãƒ‘ズルã§ã™ã€‚å‰ã®ä¼šç¤¾ã®é¢æŽ¥ã§ä½¿ãŠã†ã‹ãªã‚ã¨æ€ã£ã¦ã„ãŸã®ã§ã™ãŒã€ä½¿ã†æ©Ÿä¼šã‚‚ãªããªã£ãŸã®ã§ã€‚å…¨ã別ã®æ©Ÿä¼šã«ã€é«˜éšŽé–¢æ•°ã‚’æ•™ãˆã‚‹ãŸã‚ã®ä¾‹ã‚’書ã„ã¦ã„ã¦ã€éŠã‚“ã§ã„ãŸã‚‰é¢ç™½ã„ã‚‚ã®ã‚’見ã¤ã‘ãŸã®ã§è¦šãˆã¦ã„ãŸã®ã§ã™ã€‚ # let twice f x = f (f x) ã“れ㯠f ã¨ã„ã†é–¢æ•°ã¨å€¤ x をもらã£ã¦ã€f を二回 x ã«é©ç”¨ã™ã‚‹é–¢æ•°ã§ã™ã€‚ 次㮠add1 ã¯å¼•æ•° x ã‚’å—ã‘å–ã£ã¦ã€ï¼‘足ã—ã¦è¿”ã™é–¢æ•°ã§ã™ã€‚ã“れを twice ã«ä½¿ã†ã¨ã€ã“ã†ãªã‚Šã¾ã™ã€‚ # let add1 x = x + 1 # add1 0 1 # twice add1 0 2 関数型言語ã«æ…£ã‚Œã¦ã„ã‚‹æ–¹ãªã‚‰ã€twice ((+) 1) 0 ã§ã‚‚åŒã˜ã§ã™ã。(OCaml を使ã£ã¦ã„ã¾ã™ãŒã€æ…£ã‚Œã¦ã„ãªã„æ–¹ã®ç‚ºã«ã€å‡ºåŠ›ã‚’一部çœç•¥ã—ã¦ã„ã¾ã™ã€‚# ã¯ãƒ—ãƒãƒ³ãƒ—トã§ã™ã€‚コメントã˜ã‚ƒã‚ã‚Šã¾ã›ã‚“。ã‚ã¨ã€å…¥åŠ›ã®å¾Œã«ã¯ ;; ã‚’
The Santa Claus Problem
The Santa Claus Problem Simon Peyton Jones, in "Beautiful Concurrency", [1] a chapter of Beautiful Code, presents the Santa Claus problem and a solution: A well-known example is the so-called Santa Claus problem, originally attributed to Trono: [2] Santa repeatedly sleeps until wakened by either all of his nine reindeer, back from their holidays, or by a group of three of his ten elves. If awakene
TLE '10 - d.y.d.
09:37 10/02/28 PrezzProcezz TLEã®PREP ã¯ã€ç§ã®ã‚³ãƒ¼ãƒ‰ã¯ç¸®ã‚ã‚‹å‰ãŒã“ã‚“ãªæ„Ÿã˜ã§ã€ // println(X) #define p(X) X _Pragma("") // H = 百ã®ä½ãŒâ€¦ (a: 3ã§å‰²ã£ã¦0ä½™ã‚‹å ´åˆã€ b: 1余る〠c: ２余る) #define a(H) d(H 0) e(H 1) f(H 2) d(H 3) e(H 4) f(H 5) d(H 6) e(H 7) f(H 8) d(H 9) #define b(H) e(H 0) f(H 1) d(H 2) e(H 3) f(H 4) d(H 5) e(H 6) f(H 7) d(H 8) e(H 9) #define c(H) f(H 0) d(H 1) e(H 2) f(H 3) d(H 4) e(H 5) f(H 6) d(H 7) e(H 8) f(H 9) // HJ =
人æç²å¾—作戦.sed - 兼雑記
http://okajima.air-nifty.com/b/2010/01/post-abc6.html é©å½“ã« sed ã§è§£ã„ã¦ã¿ãŸã€‚サイズ決ã‚打ã¡ã§æ›¸ã„ãŸã‚‰å‰²ã¨ç°¡å˜ã ã£ãŸâ€¦ H ${ x # initialize seen positions h x s/.\(.\{25\}\).S.\(.\{25\}\)./*\1***\2*/ x # initialize initial state of the queue s/S /SN/ /N/{H;s/N/ /} s/ S/NS/ /N/{H;s/N/ /} s/\(S.\{26\}\) /\1N/ /N/{H;s/N/ /} s/ \(.\{26\}S\)/N\1/ /N/{H;s/N/ /} # add the marker x s/^\n/-&/ s/\n\n/\n=\n/ x : # load the queue g s/\n\n
2010
Knuth先生ã®ãƒ›ãƒ¼ãƒ ページ㫠Did you know that 2009 is (1/2+3)*(4+5*(6*7+8*9))? ã¨æ›¸ã„ã¦ã‚ã‚‹. (å¹´ãŒã‚ã‘ã¦ã‹ã‚‰ã¯Happy 2010 (i.e., MMIX++) to all!ã«ãªã£ãŸ.) 今年ã¯2010å¹´. 今度ã¯ã©ã†ãªã‚‹ã‹ã¨æ€ã£ã¦ãƒ—ãƒã‚°ãƒ©ãƒ を書ã„ãŸ. çµè«–ã‹ã‚‰ã„ã†ã¨ (- (- (+ 1 2) (* (* (* (- (- 3 4) 5) 6) 7) 8)) 9) (* (/ (* 1 2) 3) (- (* (* (* (+ 4 5) 6) 7) 8) 9)) (+ (- 1 (* (+ 2 (* (* (- (- 3 4) 5) 6) 7)) 8)) 9) (* (- (- 1 2) 3) (- (/ (+ 4 5) 6) (* (* 7 8) 9))) (* (* (/ (* 1 2) 3) (+ (- 4 5) (* (
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『るã³ã¾ã€ã¯ã€Ruby ã«é–¢ã™ã‚‹æŠ€è¡“記事ã¯ã‚‚ã¡ã‚ã‚“ã®ã“ã¨ã€Rubyist ã¸ã®ã‚¤ãƒ³ã‚¿ãƒ“ューやエッセイã€ãã®ä»–ã‚’ãŠå±Šã‘ã™ã‚‹ã‚¦ã‚§ãƒ–雑誌ã§ã™ã€‚ Rubyist Magazine ã«ã¤ã„㦠『Rubyist Magazineã€ã€ç•¥ã—ã¦ã€Žã‚‹ã³ã¾ã€ã¯ã€æ—¥æœ¬ Ruby ã®ä¼šã®æœ‰å¿—ã«ã‚ˆã‚‹ Rubyist ã® Rubyist ã«ã‚ˆã‚‹ã€Rubyist ã¨ãã†ã§ãªã„人ã®ãŸã‚ã®ã‚¦ã‚§ãƒ–雑誌ã§ã™ã€‚ æœ€æ–°å· Rubyist Magazine 0058 å· ãƒãƒƒã‚¯ãƒŠãƒ³ãƒãƒ¼ Rubyist Magazine 0058 å· RubyKaigi 2018 ç›´å‰ç‰¹é›†å· Rubyist Magazine 0057 å· RubyKaigi 2017 ç›´å‰ç‰¹é›†å· Rubyist Magazine 0056 å· Rubyist Magazine 0055 å· Rubyist Magazine 0054 å· æ±äº¬ Ruby ä¼šè° 11 ç›´
Infoseek[インフォシーク] - 楽天ãŒé‹å–¶ã™ã‚‹ãƒãƒ¼ã‚¿ãƒ«ã‚µã‚¤ãƒˆ
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Tne New Martin Gardner Mathematical Libraryã®2冊目ã«Squaring the Squareã¨ã„ã†è©±é¡ŒãŒã‚ã£ãŸ. æ£æ–¹åŒ–æ£æ–¹å½¢ã¨ã§ã‚‚ã„ãŠã†ã‹. æ£æ–¹å½¢ã‚’相異るæ£æ–¹å½¢ã§åŸ‹ã‚å°½ã™å•é¡Œã§ã‚ã‚‹. åŒã˜æ£æ–¹å½¢ã§åŸ‹ã‚å°½ã™ãªã‚‰22ãŒ4ã¨ã‹33ãŒ9ã¨ã‹ã«åˆ†å‰²ã™ã‚Œã°å‡ºæ¥ã‚‹ãŒ, 相異るã¨ãªã‚‹ã¨å‡ºæ¥ã‚‹ã‹ã©ã†ã‹ä¸æ˜Žã§ã‚ã‚‹. 本書ã«ã‚ˆã‚‹ã¨1936å¹´é ƒ, ケンブリッジ大å¦ã®4åã®å¦ç”ŸãŒæŒ‘戦ã—ãŸã‚‰ã—ã„. 周囲ãŒæ£æ–¹å½¢ãªã‚‰éžå¸¸ã«å›°é›£ã ãŒ, 相異るæ£æ–¹å½¢ã§é•·æ–¹å½¢ã‚’æ•·ãè©°ã‚ã‚‹ã®ã¯, 比較的容易らã—ã„. 下ã®å›³ã®å·¦ãŒãã®ä¸€ä¾‹ã§, 横61, 縦69ã®é•·æ–¹å½¢ãŒç›¸ç•°ã‚‹æ£æ–¹å½¢ã§æ•·ãè©°ã‚ã¦ã‚ã‚‹. æ£æ–¹å½¢ã®ä¸ã®æ•°ãŒ, æ£æ–¹å½¢ã®è¾ºã®é•·ã•ã§, 最å°ã®ã¯2ã¨æ›¸ã„ã¦ã‚ã‚‹. ã“ã†ã„ã†å›³å½¢ã‚’æ£æ–¹åŒ–長方形(squared rectangle)ã¨ã„ã†. 例ãˆã°ã“ã®ä¸Šã«61掛ã‘ã‚‹61ã®æ£æ–¹å½¢, 横ã«69掛ã‘ã‚‹69ã®
Self Reference - 兼雑記
http://d.hatena.ne.jp/TAKESAKO/20090716/1247750262 via http://d.hatena.ne.jp/sugyan/20090717/1247842750 を見ã¦ã€ãªã‚“ã‹æ›¸ã„ã¦ã¿ã‚‹ã‹ãªãã¨ã€‚下記3ã¤ã®ã‚³ãƒ¼ãƒ‰ã¯ä¸€å®šã®æœŸé–“ã‚’ãŠã„㦠SEGV ã™ã‚‹ã‚³ãƒ¼ãƒ‰ãªã®ã§ã™ãŒã€å…±é€šã®ãƒ†ãƒ¼ãƒžã«åŸºã¥ã„ã¦æ›¸ã‹ã‚Œã¦ã¾ã™ã€‚ SEGV ã®ç†ç”±ã¯ä½•ã§ã—ょã†ã‹ã€‚ 一個目。邪é“。ã§ã‚‚ゴルフã§ãŸã¾ã«ä½¿ãˆã‚‹ã‚“ã よã。 ''=~('(?{'.('_/_ '^';@{:').'})')二個目。一番çŸã„ã‘ã©ã“ã®æŒ™å‹•ã¯é•·ã„間知らãªã‹ã£ãŸã®ã§çµæ§‹ã‚ã‹ã‚‰ã‚“人多ã„ã‚“ã˜ã‚ƒãªã„ã‹ãªã€‚ $_=~'(?{$_=~""})'三個目。èªã‚€ã®ã¯ãã‚“ãªã«é›£ã—ããªã„ã‘ã©ã€æ›¸ãã®ã¯çµæ§‹å¤§å¤‰ã€‚æ–°ã—ã書ã“ã†ã¨æ€ã£ãŸã‘ã©çµå±€ä½¿ã„回ã—ã§ã„ã„ã‚„ã¨ã„ã†ã€‚ ($;=<<'' _(_@{**+(\$;=<<'' $; )=~(
15quzzle.rb - ã¾ã‚ã‚ã‚‚
15 パズルを quine ã§ä½œã£ã¦ã¿ã¾ã—ãŸã€‚ eval((%w[a=0;loop{a=(0..15).sort_by{rand};b=a.reverse;b=a[0,4]+b[8,4]+a [8,4]+b[0,4];n=0;16.times{|i|b[i]>0&&(0..i).map{|j|b[j]>b[i]&&n+=1}};n% 2>0&&break;};eval$s="b=0x#{a.map{|n|"%x"%n}.join}"+%w[;i=(m=0..15).find {|i|1>b&m=15<<4*i};t=m|n=m<<4*o=("AdABrBlBAuA"=~/(.)#{ARGV*''}\1/||04|| 0)-4;( n<1 ||n>1<<64||[255<<12]&[t>>040||0,t>>16, t]!=[])?t=0:i +=o;; ## s ####### ="eva
Seven Trees：最後ã®ãƒ’ント＋もã£ã¨é¢ç™½ã„話 - 檜山æ£å¹¸ã®ã‚マイラ飼育記 (ã¯ã¦ãªBlog)
ãã‚ãã‚ãƒã‚¿å…ƒã‚’ã°ã‚‰ã—ã¾ã—ょã†ã€‚次ã®è«–æ–‡ã§ã™ã€‚ã“れを[Fiore/Leinster]ã¨ã—ã¦å¼•ç”¨ã—ã¾ã™ã€‚ Marcelo Fiore, Tom Leinster "Objects of Categories as Complex Numbers" http://arxiv.org/abs/math/0212377 [Fiore/Leinster]ã‹ã‚‰å‚ç…§ã•ã‚Œã¦ã„る以下ã®è«–æ–‡ãŒSeven Treesを詳ã—ã扱ã£ãŸã‚‚ã®ã®ã‚ˆã†ã§ã™ï¼ˆåƒ•ã¯ã¾ã èªã‚“ã§ã¾ã›ã‚“）。 A. Blass "Seven trees in one" Journal of Pure and Applied Algebra, 103:1.21, 1995. http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.46.8517 Seven trees 㨠A tree ãŒåŒã˜ã«ãª
迷路作æˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ : è¿·ã„è¿·ã‚ã‚Œã¦è·¯ã‚’進む。 (MazeAlgorithm - MemoWiki v5)
迷路作æˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ : è¿·ã„è¿·ã‚ã‚Œã¦è·¯ã‚’進む。 -明治大å¦ã‚¨ãƒ¬ã‚¯ãƒˆãƒãƒ‹ã‚¯ã‚¹ç ”究部 - 迷路作æˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã¨è¿·è·¯è§£æžã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ --http://www.isc.meiji.ac.jp/~eleken/soft/research/maze/maze.html ---迷路作æˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ :棒倒ã—法:迷路解æžã®ãƒ—ãƒã‚°ãƒ©ãƒ :å³å£æ³•ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ -明治大å¦ã‚¨ãƒ¬ã‚¯ãƒˆãƒãƒ‹ã‚¯ã‚¹ç ”究部 - 迷路作æˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã¨è¿·è·¯è§£æžã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ï¼’ --http://www.isc.meiji.ac.jp/~eleken/soft/research/maze2/maze2.html ---迷路穴掘り法:æœ¨æ§‹é€ ã§è¿·è·¯è§£ã -棒倒ã—法 --http://uk.geocities.com/sugar777pe/arugo/maze1.html -棒倒ã—法ã«ã‚ˆã‚‹è¿·è·¯ç”Ÿæˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ --http://www.campus.
クラスタリングã«ã‚ˆã‚‹è¿·è·¯ä½œæˆã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ
ã¯ã˜ã‚㫠クラスタリングアルゴリズムã«ã‚ˆã‚Šã€è§£ãã¨çµµãŒæµ®ã‹ã³ä¸ŠãŒã‚‹ 迷路を作æˆã™ã‚‹æ–¹æ³•ã‚’紹介ã™ã‚‹ã€‚ クラスタリングã¨ã¯ ウェブã®ãƒªãƒ³ã‚¯æƒ…å ±ã‚„ã€mixiã®å‹äººé–¢ä¿‚ãªã©ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®æ€§è³ªã‚’ 知りãŸã„ã“ã¨ãŒã‚ˆãã‚る。ã“ã®ã¨ãã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®æ€§è³ªã¨ã—㦠ã“ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã«ãŠã„ã¦ä»»æ„ã«é¸ã‚“ã è¦ç´ Aã¨è¦ç´ Bã¯ã¤ãªãŒã£ã¦ã„ã‚‹ã‹ï¼Ÿ ã“ã®ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã¯å…¨ä½“ãŒã¤ãªãŒã£ã¦ã„ã‚‹ã‹ï¼Ÿ ã¤ãªãŒã£ã¦ã„ãªã„ã¨ã—ãŸã‚‰ã„ãã¤ã®ã‚°ãƒ«ãƒ¼ãƒ—ã«åˆ†ã‹ã‚Œã‚‹ã‹ï¼Ÿ è¦ç´ 数最大ã®ã‚°ãƒ«ãƒ¼ãƒ—ã¯ã©ã‚Œã‹ï¼Ÿ ãªã©ã®æƒ…å ±ãŒæ¬²ã—ããªã‚‹ã€‚ã“ã®ã‚ˆã†ãªè§£æžã‚’ã™ã‚‹ã¨ãã« å¿…è¦ã¨ãªã‚‹ã®ãŒã‚¯ãƒ©ã‚¹ã‚¿ãƒªãƒ³ã‚°ã§ã‚る。 クラスタリングã¨ã¯ã€åŒå€¤é–¢ä¿‚ã®ãƒªã‚¹ãƒˆãŒä¸Žãˆã‚‰ã‚ŒãŸã¨ãã«ã‚°ãƒ«ãƒ¼ãƒ—分ã‘ã‚’ ã™ã‚‹ã“ã¨ã§ã‚る。ãŸã¨ãˆã°ã€ å‹é”ã®å‹é”ã¯å‹é”ã§ã‚ã‚‹ ã¨å®šç¾©ã™ã‚‹ã¨ã€å‹äººé–¢ä¿‚ã¯åŒå€¤é–¢ä¿‚を作る。 ãã®ä¸Šã§ã€ Aå›ã¨Bå›ã¯å‹é” Cå›ã¨Eå›ã¯å‹é” Bå›ã¨D
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anarchy proof -
mamememo
Martin Gardner Library
Hard Problems in Cryptography - Wiki
http://www.yesbutnobutyes.com/archives/2009/04/lost_wired_puzz.html
The Third Time is the Charm | The n-Category Café
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