From: Brett Parker Date: Sat, 12 Dec 2020 13:37:47 +0000 (+0000) Subject: Looks like I forget to commit Day 10! X-Git-Url: https://git.sommitrealweird.co.uk/advent-of-code-2020.git/commitdiff_plain/83d85dde462ad0cab40462a2431e7cf6a1a9ba6c?hp=28a81dc1ba5ed0dfd92419d3a549a37b931fc9aa Looks like I forget to commit Day 10! --- diff --git a/day10/22_10_19208.txt b/day10/22_10_19208.txt new file mode 100644 index 0000000..e6376dc --- /dev/null +++ b/day10/22_10_19208.txt @@ -0,0 +1,31 @@ +28 +33 +18 +42 +31 +14 +46 +20 +48 +47 +24 +23 +49 +45 +19 +38 +39 +11 +1 +32 +25 +35 +8 +17 +7 +9 +4 +2 +34 +10 +3 diff --git a/day10/7_5_8.txt b/day10/7_5_8.txt new file mode 100644 index 0000000..ec4a03f --- /dev/null +++ b/day10/7_5_8.txt @@ -0,0 +1,11 @@ +16 +10 +15 +5 +1 +11 +7 +19 +6 +12 +4 diff --git a/day10/get_adaptor_chain.py b/day10/get_adaptor_chain.py new file mode 100644 index 0000000..19c81f0 --- /dev/null +++ b/day10/get_adaptor_chain.py @@ -0,0 +1,29 @@ +#!/usr/bin/python3 + +import sys + +filename=(len(sys.argv) > 1) and sys.argv[1] or "22_10.txt" + +cur_jolts=0 +adaptors=[int(line.rstrip()) for line in open(filename, "r")] +adaptors.sort() +end_jolts=adaptors[-1]+3 + +diff_counts={} + +for adaptor in adaptors: + if adaptor-cur_jolts == 3: + if 3 not in diff_counts: + diff_counts[3]=0 + diff_counts[3]+=1 + elif adaptor-cur_jolts == 1: + if 1 not in diff_counts: + diff_counts[1]=0 + diff_counts[1]+=1 + else: + raise Exception("Diff is not 1 or 3!") + cur_jolts=adaptor + +diff_counts[3]+=1 +print(diff_counts) +print(diff_counts[1] * diff_counts[3]) 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) diff --git a/day10/input.txt b/day10/input.txt new file mode 100644 index 0000000..42631e9 --- /dev/null +++ b/day10/input.txt @@ -0,0 +1,102 @@ +107 +13 +116 +132 +24 +44 +56 +69 +28 +135 +152 +109 +42 +112 +10 +43 +122 +87 +49 +155 +175 +71 +39 +173 +50 +156 +120 +145 +176 +45 +149 +148 +15 +1 +68 +9 +168 +131 +150 +59 +83 +167 +3 +169 +6 +123 +174 +81 +138 +72 +157 +144 +65 +75 +33 +19 +140 +160 +16 +57 +93 +90 +8 +58 +98 +130 +141 +114 +84 +29 +22 +94 +113 +129 +108 +36 +14 +115 +102 +151 +78 +139 +170 +82 +2 +70 +126 +101 +25 +62 +95 +104 +23 +163 +32 +103 +121 +119 +48 +166 +7 +53