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/aoc2020/day-06/day-06.rkt | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 racket/aoc2020/day-06/day-06.rkt (limited to 'racket/aoc2020/day-06/day-06.rkt') diff --git a/racket/aoc2020/day-06/day-06.rkt b/racket/aoc2020/day-06/day-06.rkt new file mode 100644 index 0000000..b0e2af9 --- /dev/null +++ b/racket/aoc2020/day-06/day-06.rkt @@ -0,0 +1,22 @@ +#lang racket +(require "../../jj-aoc.rkt" + threading) + +(define responses (~> (open-day 6 2020) (port->string) (string-split "\n\n"))) + +;; part 1 +(define (response-count-total rs) + (for/sum ([r (in-list rs)]) (~> r (string-replace _ "\n" "") string->list list->set set-count))) + +(response-count-total responses) + +;; part 2 +(define (response-consensus-total rs) + (for/sum ([r (in-list rs)]) + (~> r + (string-split _ "\n") + (map (λ~> string->list list->set) _) + (apply set-intersect _) + set-count))) + +(response-consensus-total responses) \ No newline at end of file -- cgit v1.2.3