Comments on: A square grid path problem http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/ Programming, Algorithms, and Mathematics Tue, 06 Jan 2009 15:30:37 +0000 http://wordpress.org/?v=2.6.1 By: jff http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/#comment-1305 jff Thu, 16 Oct 2008 21:25:03 +0000 http://www.joaoferreira.org/2008/01/20/a-square-grid-path-problem/#comment-1305 Amanda, just replace n by 8 in the first formula and you get the desired result :) Amanda,

just replace n by 8 in the first formula and you get the desired result :)

]]> By: amanda http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/#comment-1300 amanda Thu, 16 Oct 2008 00:13:13 +0000 http://www.joaoferreira.org/2008/01/20/a-square-grid-path-problem/#comment-1300 hey! how many solutions would be in a 8X8? =D hey!
how many solutions would be in a 8X8?
=D

]]> By: Nektra Advanced Computing Blog :: Google Treasure Hunt puzzles are too easy? http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/#comment-894 Nektra Advanced Computing Blog :: Google Treasure Hunt puzzles are too easy? Fri, 23 May 2008 18:40:32 +0000 http://www.joaoferreira.org/2008/01/20/a-square-grid-path-problem/#comment-894 [...] gets solved just searching in Google for “grid path right down” from there you will get the equation that you must run on any language that has Big Integer implementations, since involves the [...] [...] gets solved just searching in Google for “grid path right down” from there you will get the equation that you must run on any language that has Big Integer implementations, since involves the [...]

]]> By: jff http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/#comment-893 jff Sun, 18 May 2008 01:06:09 +0000 http://www.joaoferreira.org/2008/01/20/a-square-grid-path-problem/#comment-893 Dr. Goulu: no problem! Good luck with Google's challenge. Dr. Goulu: no problem! Good luck with Google’s challenge.

]]> By: Recrutement et Casse-Tête « Dr. Goulu http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/#comment-892 Recrutement et Casse-Tête « Dr. Goulu Sat, 17 May 2008 22:06:43 +0000 http://www.joaoferreira.org/2008/01/20/a-square-grid-path-problem/#comment-892 [...] pour un damier de 56×32 cases (le nombre change pour chaque participant) et dans ce cas, la réponse est 232059241971866600926656. Ca suppose donc déjà de disposer d’une bonne calculatrice [...] [...] pour un damier de 56×32 cases (le nombre change pour chaque participant) et dans ce cas, la réponse est 232059241971866600926656. Ca suppose donc déjà de disposer d’une bonne calculatrice [...]

]]> By: Dr. Goulu http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/#comment-891 Dr. Goulu Sat, 17 May 2008 21:09:24 +0000 http://www.joaoferreira.org/2008/01/20/a-square-grid-path-problem/#comment-891 useful for Google Treasure Hunt 2008 at http://treasurehunt.appspot.com/ ... Thanks ! ;-) useful for Google Treasure Hunt 2008 at http://treasurehunt.appspot.com/ … Thanks ! ;-)

]]> By: jff http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/#comment-738 jff Wed, 13 Feb 2008 20:46:39 +0000 http://www.joaoferreira.org/2008/01/20/a-square-grid-path-problem/#comment-738 Boo2468: 70 ? Boo2468: 70 ?

]]> By: Boo2468 http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/#comment-733 Boo2468 Wed, 13 Feb 2008 13:27:28 +0000 http://www.joaoferreira.org/2008/01/20/a-square-grid-path-problem/#comment-733 How many routes is there on a 4 by 4 grid? How many routes is there on a 4 by 4 grid?

]]> By: jff http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/#comment-651 jff Tue, 22 Jan 2008 23:38:41 +0000 http://www.joaoferreira.org/2008/01/20/a-square-grid-path-problem/#comment-651 As long as you define the factorial function correctly, it should be very easy. In Haskell, for instance, you can define it as: fac 0 = 1 fac n = n * fac (n-1) Good luck! As long as you define the factorial function correctly, it should be very easy. In Haskell, for instance, you can define it as:

fac 0 = 1
fac n = n * fac (n-1)

Good luck!

]]> By: fish613 http://www.joaoff.com/2008/01/20/a-square-grid-path-problem/#comment-650 fish613 Tue, 22 Jan 2008 22:44:32 +0000 http://www.joaoferreira.org/2008/01/20/a-square-grid-path-problem/#comment-650 You're very welcome :) I'm currently trying to make my own solution work, also involving the binomial, but my program fails to give the right answer, even though I'm sure it's working properly :( You’re very welcome :)
I’m currently trying to make my own solution work, also involving the binomial, but my program fails to give the right answer, even though I’m sure it’s working properly :(

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