Difference between revisions of "Battleship game combinatorics"

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(update URL of Haskell code to hub.darcs.net)
 
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== References ==
 
== References ==
   
* [http://code.haskell.org/~thielema/htam/src/Combinatorics/Battleship/Count/ShortenShip.hs Haskell program] that computes the table
+
* [https://hub.darcs.net/thielema/battleship-combinatorics/browse/src/Combinatorics/Battleship/Count/ShortenShip.hs Haskell program] that computes the table
   
 
[[Category:Combinatorics]]
 
[[Category:Combinatorics]]

Latest revision as of 20:47, 19 January 2018

This page is a table, reporting the number of ways to place ships as in the game "battleship". The table assumes that ships cannot be placed adjacent to one another, though not all versions of the game use this rule.

Ship sizes Number of configurations
on a 10×10 board
2 3 4 5
1
1 180
2 13952
3 614372
4 17086631
1 160
1 1 23864
2 1 1512096
3 1 53606768
4 1 1179864432
2 10124
1 2 1230092
2 2 62495628
3 2 1745117572
4 2 29650630088
3 330840
1 3 32094960
2 3 1278079616
3 3 27395120928
4 3 348892008792
1 140
1 1 20072
2 1 1219008
3 1 41283320
4 1 864647388
1 1 16896
1 1 1 1966664
2 1 1 95386968
3 1 1 2532545416
4 1 1 40721312760
2 1 786968
1 2 1 72831964
2 2 1 2755256320
3 2 1 55828223540
4 2 1 668256987440
3 1 18382184
1 3 1 1320017704
2 3 1 37880082192
3 3 1 567343768064
4 3 1 4871721743520
2 6996
1 2 779752
2 2 36085692
3 2 910464972
4 2 13847185918
1 2 619136
1 1 2 54625952
2 1 2 1961767760
3 1 2 37549258992
4 1 2 422118615240
2 2 20505284
1 2 2 1396400720
2 2 2 37804399592
3 2 2 530879625444
4 2 2 4242772005768
3 2 328511112
1 3 2 16757986408
2 3 2 330360758520
3 3 2 3268821509016
4 3 2 17707810153184
1 120
1 1 16528
2 1 961464
3 1 31086744
4 1 619268128
1 1 13808
1 1 1 1538520
2 1 1 71194112
3 1 1 1796509352
4 1 1 27329683408
2 1 610688
1 2 1 53879808
2 2 1 1935562696
3 2 1 37068246456
4 2 1 417017581256
3 1 13477504
1 3 1 918108728
2 3 1 24872048856
3 3 1 349608204104
4 3 1 2797606827136
1 1 11360
1 1 1 1211008
2 1 1 53413832
3 1 1 1279310984
4 1 1 18385007248
1 1 1 954544
1 1 1 1 80194520
2 1 1 1 2731237000
3 1 1 1 49341382288
4 1 1 1 520599890368
2 1 1 29852632
1 2 1 1 1925751392
2 2 1 1 49143133528
3 2 1 1 646677411848
4 2 1 1 4808897160408
3 1 1 448574416
1 3 1 1 21536631136
2 3 1 1 397108468832
3 3 1 1 3647432090016
4 3 1 1 18170989432520
2 1 371048
1 2 1 29660864
2 2 1 957045912
3 2 1 16298373712
4 2 1 161138941144
1 2 1 21906376
1 1 2 1 1337029984
2 1 2 1 32111473656
3 1 2 1 395146057864
4 1 2 1 2726362307664
2 2 1 462924032
1 2 2 1 20886349672
2 2 2 1 359461539224
3 2 2 1 3056118386176
4 2 2 1 13949906853080
3 2 1 4488051160
1 3 2 1 143891605904
2 3 2 1 1693472099056
3 3 2 1 9404689335808
4 3 2 1 26509655816984

References