Run-Length Encoding

Ringkasan Tantangan

Implement run-length encoding and decoding.

Visit the run-length-encoding exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

Lihat Solusi Komunitas

The following are the top 3 community solutions by stars:

Solution 1 by @ErikSchierboom (⭐ 1) — View on Exercism
Solution 2 by @bradacina (⭐ 0) — View on Exercism
Solution 3 by @eriktate (⭐ 0) — View on Exercism

Source: Exercism nim/run-length-encoding

💡 Lihat Solusi

proc encode*(plainText: string): string =
  var i = 0

  while i < plainText.len:
    let letter = plainText[i]
    let count = skipWhile(plainText, { letter }, i)
    i.inc count

    result.add(if count == 1: $letter else: $count & letter)