9 lines
275 B
R
9 lines
275 B
R
runlengthencoding <- function(x)
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{
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splitx <- unlist(strsplit(input, ""))
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rlex <- rle(splitx)
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paste(with(rlex, as.vector(rbind(lengths, values))), collapse="")
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}
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input <- "WWWWWWWWWWWWBWWWWWWWWWWWWBBBWWWWWWWWWWWWWWWWWWWWWWWWBWWWWWWWWWWWWWW"
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runlengthencoding(input)
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