X-Git-Url: https://git.sommitrealweird.co.uk/advent-of-code-2020.git/blobdiff_plain/28a81dc1ba5ed0dfd92419d3a549a37b931fc9aa..83d85dde462ad0cab40462a2431e7cf6a1a9ba6c:/day10/get_adaptor_choices.py

diff --git a/day10/get_adaptor_choices.py b/day10/get_adaptor_choices.py
new file mode 100644
index 0000000..60c4556
--- /dev/null
+++ b/day10/get_adaptor_choices.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python3
+
+import sys
+
+filename=(len(sys.argv) > 1) and sys.argv[1] or "22_10.txt"
+
+adaptors=[int(line.rstrip()) for line in open(filename, "r")]
+adaptors.sort()
+end_jolts=adaptors[-1]+3
+
+adaptors.insert(0, 0)
+adaptors.append(end_jolts)
+
+cur_configs=1
+
+def get_choices():
+    choice_count=1
+    can_reach={}
+    paths={0:1}
+    for adaptor in adaptors:
+        can_reach[adaptor]=[a for a in adaptors if (a >= adaptor+1 and a <= adaptor+3)]
+
+    for adaptor in adaptors:
+        for adaptor2 in can_reach[adaptor]:
+            if adaptor2 not in paths:
+                paths[adaptor2]=0
+            paths[adaptor2]+=paths[adaptor]
+
+    return paths[adaptors[-1]]
+
+total = get_choices()
+
+print("Maybe possibly all the configs")
+print(total)