From 8777ff071f7bb37631baa7b6717ad29961e50911 Mon Sep 17 00:00:00 2001 From: "H.J" Date: Wed, 9 Oct 2024 11:36:55 -0400 Subject: sorting by language --- racket/leetcode/lc-1812-chessboard-square.rkt | 7 +++++++ 1 file changed, 7 insertions(+) create mode 100644 racket/leetcode/lc-1812-chessboard-square.rkt (limited to 'racket/leetcode/lc-1812-chessboard-square.rkt') diff --git a/racket/leetcode/lc-1812-chessboard-square.rkt b/racket/leetcode/lc-1812-chessboard-square.rkt new file mode 100644 index 0000000..206392c --- /dev/null +++ b/racket/leetcode/lc-1812-chessboard-square.rkt @@ -0,0 +1,7 @@ +#lang racket +(define/contract (square-is-white coordinates) + (-> string? boolean?) + (define file (first (string->list coordinates))) + (define rank (second (string->list coordinates))) + (or (and (odd? (char->integer file)) (even? (char->integer rank))) + (and (even? (char->integer file)) (odd? (char->integer rank))))) \ No newline at end of file -- cgit v1.2.3