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 --- leetcode/lc-228-summary-ranges.rkt | 27 --------------------------- 1 file changed, 27 deletions(-) delete mode 100644 leetcode/lc-228-summary-ranges.rkt (limited to 'leetcode/lc-228-summary-ranges.rkt') diff --git a/leetcode/lc-228-summary-ranges.rkt b/leetcode/lc-228-summary-ranges.rkt deleted file mode 100644 index 9140895..0000000 --- a/leetcode/lc-228-summary-ranges.rkt +++ /dev/null @@ -1,27 +0,0 @@ -#lang racket -(define (summary-ranges nums) - (define range-pairs - (cond - [(empty? nums) '()] - [(empty? (cdr nums)) (list (cons (car nums) (car nums)))] - [else (for/fold ([ranges '()] - [open-pair (first nums)] - [prev-num (first nums)] - #:result (append ranges (list (cons open-pair prev-num)))) - ([i (cdr nums)]) - (cond [(= (add1 prev-num) i) - (values ranges - open-pair - i)] - [else - (values (append ranges (list (cons open-pair prev-num))) - i - i)]))])) - (for/list ([p (in-list range-pairs)]) - (cond [(= (car p) (cdr p)) (format "~a" (car p))] - [else (format "~a->~a" (car p) (cdr p))]))) - -(summary-ranges '(0 1 2 4 5 7)) -(summary-ranges '(0 2 3 4 6 8 9)) -(summary-ranges '()) -(summary-ranges '(0)) \ No newline at end of file -- cgit v1.2.3