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Diffstat (limited to 'advent-of-code/2023/06')
-rw-r--r--advent-of-code/2023/06/1.rkt32
-rw-r--r--advent-of-code/2023/06/2.rkt29
2 files changed, 0 insertions, 61 deletions
diff --git a/advent-of-code/2023/06/1.rkt b/advent-of-code/2023/06/1.rkt
deleted file mode 100644
index 5496476..0000000
--- a/advent-of-code/2023/06/1.rkt
+++ /dev/null
@@ -1,32 +0,0 @@
-#lang racket
-
-(define in (open-input-file "input"))
-
-(define (read-num-list)
- (define line (read-line in))
- (map
- string->number
- (string-split
- (cadr (string-split (string-trim line) ":")))))
-
-(define times (read-num-list))
-(define distances (read-num-list))
-
-(define games (map cons times distances))
-
-(define (calc time hold-time)
- (* hold-time (- time hold-time)))
-
-(define (solve time distance)
- (define (loop counter hold-time)
- (if (> hold-time time)
- counter
- (if (> (calc time hold-time) distance)
- (loop (+ 1 counter) (+ 1 hold-time))
- (loop counter (+ 1 hold-time)))))
- (loop 0 0))
-
-(display (apply * (map
- (λ (x) (solve (car x) (cdr x)))
- games)))
-(newline)
diff --git a/advent-of-code/2023/06/2.rkt b/advent-of-code/2023/06/2.rkt
deleted file mode 100644
index 2d666ed..0000000
--- a/advent-of-code/2023/06/2.rkt
+++ /dev/null
@@ -1,29 +0,0 @@
-#lang racket
-
-(define in (open-input-file "input"))
-
-(define (read-num)
- (define line (read-line in))
- (string->number
- (apply
- string-append
- (string-split
- (cadr (string-split (string-trim line) ":"))))))
-
-(define time (read-num))
-(define distance (read-num))
-
-(define (calc time hold-time)
- (* hold-time (- time hold-time)))
-
-(define (solve time distance)
- (define (loop counter hold-time)
- (if (> hold-time time)
- counter
- (if (> (calc time hold-time) distance)
- (loop (+ 1 counter) (+ 1 hold-time))
- (loop counter (+ 1 hold-time)))))
- (loop 0 0))
-
-(display (solve time distance))
-(newline)