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brownag/alphoo.R

Last active April 25, 2023 01:21
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alphanumeric sequence counts
Raw
alphoo.R
c("abcd123", "abcd124", "abcd133", "acbd123", "dbac312", "dcba321") |>
(\(x) {
strsplit(x, "") |>
lapply(\(x) sapply(x, charToRaw)) |>
sapply(\(x) c(0, diff(as.integer(x)) == 1)) |>
colSums()
})()
#> [1] 5 4 3 2 1 0
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