From 527bc4762f9c66c9244f0ac1fbee6357478ac9ef Mon Sep 17 00:00:00 2001
From: HJ <thechairman@thechairman.info>
Date: Thu, 9 Dec 2021 18:05:04 -0500
Subject: putting all my solutions together in 1 repository

---
 2021/day-01/day-01.pl | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 2021/day-01/day-01.pl

(limited to '2021/day-01/day-01.pl')

diff --git a/2021/day-01/day-01.pl b/2021/day-01/day-01.pl
new file mode 100644
index 0000000..d3c3fa7
--- /dev/null
+++ b/2021/day-01/day-01.pl
@@ -0,0 +1,20 @@
+:- use_module(library(yall)).
+:- use_module(library(apply)).
+
+get_data(Result) :- 
+    setup_call_cleanup(open("day-01/input.txt", read, In),
+        (read_string(In, _, Str),
+            split_string(Str, "\n", "\s\t\n", Lines),
+            maplist(number_string, Result, Lines)),
+        close(In)).
+
+calculate_diffs(Result, WindowWidth) :-
+    get_data(Xs),
+    length(TrimLeft, WindowWidth), append(TrimLeft, RightSide, Xs),
+    length(TrimRight, WindowWidth), append(LeftSide, TrimRight, Xs),
+    maplist([X, Y, Z]>>(Z is Y - X), LeftSide, RightSide, Diffs),
+    include([X]>>(X > 0), Diffs, Increases),
+    length(Increases, Result).
+
+part1_answer(Result) :- calculate_diffs(Result, 1).
+part2_answer(Result) :- calculate_diffs(Result, 3).
\ No newline at end of file
-- 
cgit v1.2.3