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 --- .../lc-1844-replace-all-digits-with-characters.rkt | 18 ------------------ 1 file changed, 18 deletions(-) delete mode 100644 leetcode/lc-1844-replace-all-digits-with-characters.rkt (limited to 'leetcode/lc-1844-replace-all-digits-with-characters.rkt') diff --git a/leetcode/lc-1844-replace-all-digits-with-characters.rkt b/leetcode/lc-1844-replace-all-digits-with-characters.rkt deleted file mode 100644 index 96aba6e..0000000 --- a/leetcode/lc-1844-replace-all-digits-with-characters.rkt +++ /dev/null @@ -1,18 +0,0 @@ -#lang racket -(define/contract (replace-digits s) - (-> string? string?) - (define/contract (shift-letter c x) - (-> char? char? char?) - (integer->char (+ (string->number (string x)) (char->integer c)))) - (define letters (string->list (string-replace s #rx"[0-9]" ""))) - (define digits (string->list (string-replace s #rx"[a-z]" ""))) - (foldl (λ (c x acc) - (if (equal? x #\X) - (string-append acc (string c)) - (string-append acc (string c) (string (shift-letter c x))))) - "" - letters - (if (= (length digits) (length letters)) - digits - (append digits '(#\X))) - )) \ No newline at end of file -- cgit v1.2.3