See my function "seqle" on FileExchange. It may not be as compact, but it's easy to use and both encodes and decodes.
The problem statement would have been clearer if the principle of RLE had been explained with an encoding example first. Alternatively, it would have been useful to explicitly mention that the data in vector x is being read pairwise.
easy
useful challenge
ugly but more fun than loops!
note: repelem did not exist back when this problem was created
not limited to 1-9
352 Solvers
282 Solvers
489 Solvers
Back to basics - mean of corner elements of a matrix
297 Solvers
424 Solvers
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