From 8ab65dc2da1742eb86ec636c50c7018385b68167 Mon Sep 17 00:00:00 2001 From: "J.J" Date: Thu, 30 Nov 2023 17:10:00 -0500 Subject: prep for 2023, renaming for consistency --- 2015/day-04/day-04.rkt | 18 ------------------ 1 file changed, 18 deletions(-) delete mode 100644 2015/day-04/day-04.rkt (limited to '2015/day-04/day-04.rkt') diff --git a/2015/day-04/day-04.rkt b/2015/day-04/day-04.rkt deleted file mode 100644 index 2c16043..0000000 --- a/2015/day-04/day-04.rkt +++ /dev/null @@ -1,18 +0,0 @@ -#lang racket -(require "../../jj-aoc.rkt" - threading - file/md5) - -(define secret-key (~> (open-day 4 2015) port->string string-trim)) - -(define (find-n-zeroes n) - (for/first ([i (in-naturals)] - #:when - (~>> i (~a secret-key) md5 bytes->string/utf-8 (string-prefix? _ (make-string n #\0)))) - i)) - -;; part 1 -(time (find-n-zeroes 5)) - -;; part 2 -(time (find-n-zeroes 6)) -- cgit v1.2.3