Advanced Exercism • fsharp

Queen Attack

Challenge Overview

Given the position of two queens on a chess board, indicate whether or not they are positioned so that they can attack each other.

Visit the queen-attack exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

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The following are the top 3 community solutions by stars:

Solution 1 by @luboasdev (⭐ 3) — View on Exercism
Solution 2 by @edwardconnolly (⭐ 1) — View on Exercism
Solution 3 by @Lycean (⭐ 0) — View on Exercism

Source: Exercism fsharp/queen-attack

💡 View Solution

module QueenAttack

let create (position: int * int) = 
    let (r, c) = position
    r >= 0 && r < 8 && c >= 0 && c < 8

let canAttack (queen1: int * int) (queen2: int * int) = 
    let (r1, c1) = queen1
    let (r2, c2) = queen2
    r1 = r2 || c1 = c2