From 5eb58ad076f2cd435b11b140820da224b60b73d5 Mon Sep 17 00:00:00 2001 From: Aria Date: Mon, 2 Jan 2023 21:58:56 +0000 Subject: initial commit --- 2021/day4/parser.rkt | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 2021/day4/parser.rkt (limited to '2021/day4/parser.rkt') diff --git a/2021/day4/parser.rkt b/2021/day4/parser.rkt new file mode 100644 index 0000000..449d886 --- /dev/null +++ b/2021/day4/parser.rkt @@ -0,0 +1,8 @@ +#lang brag +file: numbers "\n" "\n" boards +numbers: number ("," number)* +number: digit+ +digit: "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" +boards: board ("\n" board)* +board: row "\n" row "\n" row "\n" row "\n" row "\n" +row: " "+ number " "+ number " "+ number " "+ number " "+ number -- cgit v1.2.3