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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
199093 changed files with 3378972 additions and 0 deletions
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9
Task/Run-length-encoding/R/run-length-encoding-1.r Normal file
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runlengthencoding <- function(x)
{
splitx <- unlist(strsplit(input, ""))
rlex <- rle(splitx)
paste(with(rlex, as.vector(rbind(lengths, values))), collapse="")
}
input <- "WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW"
runlengthencoding(input)

11
Task/Run-length-encoding/R/run-length-encoding-2.r Normal file
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inverserunlengthencoding <- function(x)
{
lengths <- as.numeric(unlist(strsplit(output, "[[:alpha:]]")))
values <- unlist(strsplit(output, "[[:digit:]]"))
values <- values[values != ""]
uncompressed <- inverse.rle(list(lengths=lengths, values=values))
paste(uncompressed, collapse="")
}
output <- "12W1B12W3B24W1B14W"
inverserunlengthencoding(output)