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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
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12
Task/Find-the-missing-permutation/R/find-the-missing-permutation-1.r Normal file
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library(combinat)
permute.me <- c("A", "B", "C", "D")
perms <- permn(permute.me) # list of all permutations
perms2 <- matrix(unlist(perms), ncol=length(permute.me), byrow=T) # matrix of all permutations
perms3 <- apply(perms2, 1, paste, collapse="") # vector of all permutations
incomplete <- c("ABCD", "CABD", "ACDB", "DACB", "BCDA", "ACBD", "ADCB", "CDAB",
"DABC", "BCAD", "CADB", "CDBA", "CBAD", "ABDC", "ADBC", "BDCA",
"DCBA", "BACD", "BADC", "BDAC", "CBDA", "DBCA", "DCAB")
setdiff(perms3, incomplete)

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Task/Find-the-missing-permutation/R/find-the-missing-permutation-2.r Normal file
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[1] "DBAC"