Grains

Ringkasan Tantangan

Calculate the number of grains of wheat on a chessboard given that the number on each square doubles.

Visit the grains 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 @keiraville (⭐ 0) — View on Exercism
Solution 2 by @LucasSemS (⭐ 0) — View on Exercism
Solution 3 by @isberg (⭐ 0) — View on Exercism

Source: Exercism idris/grains

💡 Lihat Solusi

module Grains

import Data.Bits

export
grains : Integer -> Maybe Integer
grains square = if (square < 1 || square > 64) then Nothing
                else Just $ bit $ cast $ square - 1

export