diff options
Diffstat (limited to '2021/01/solve.rkt')
-rw-r--r-- | 2021/01/solve.rkt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/2021/01/solve.rkt b/2021/01/solve.rkt new file mode 100644 index 0000000..4f1401d --- /dev/null +++ b/2021/01/solve.rkt @@ -0,0 +1,12 @@ +#lang racket + +(define LINES (map string->number (file->lines "input"))) + +(define (solve offset) + (for/sum ([x (in-list LINES)] + [y (in-list (drop LINES offset))] + #:when (< x y)) + 1)) + +(solve 1) +(solve 3) |