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authorH.J <thechairman@thechairman.info>2024-10-09 11:36:55 -0400
committerH.J <thechairman@thechairman.info>2024-10-09 11:36:55 -0400
commit8777ff071f7bb37631baa7b6717ad29961e50911 (patch)
tree6d59c4ed58e454b960339c3d1151f0a879e8d7cb /racket/aoc2020/day-06/day-06.rkt
parent6156a9ef7be4012063a042aafb4e9b0d7eadde8e (diff)
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+#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