From bd2dd9a4f9ce0f4771ae11e831b55f35be0c23e0 Mon Sep 17 00:00:00 2001
From: Joscha <joscha@plugh.de>
Date: Sun, 4 Dec 2022 14:38:19 +0100
Subject: [PATCH] [py] Port 2020_10

---
 inputs/2020_10                      | 102 ++++++++++++++++++++++++++++
 py/aoc/__init__.py                  |   2 +
 py/{2020/10.py => aoc/y2020/d10.py} |  12 +---
 sample_inputs/2020_10.01            |  11 +++
 sample_inputs/2020_10.02            |  31 +++++++++
 5 files changed, 149 insertions(+), 9 deletions(-)
 create mode 100644 inputs/2020_10
 rename py/{2020/10.py => aoc/y2020/d10.py} (53%)
 create mode 100644 sample_inputs/2020_10.01
 create mode 100644 sample_inputs/2020_10.02

diff --git a/inputs/2020_10 b/inputs/2020_10
new file mode 100644
index 0000000..5746f73
--- /dev/null
+++ b/inputs/2020_10
@@ -0,0 +1,102 @@
+103
+131
+121
+151
+118
+12
+7
+2
+90
+74
+160
+58
+15
+83
+153
+140
+166
+1
+148
+33
+165
+39
+100
+135
+68
+77
+25
+9
+54
+94
+101
+55
+141
+22
+97
+35
+57
+117
+102
+64
+109
+114
+56
+51
+125
+82
+154
+142
+155
+45
+75
+158
+120
+5
+19
+61
+34
+128
+106
+88
+84
+137
+96
+136
+27
+6
+21
+89
+69
+162
+112
+127
+119
+161
+38
+42
+134
+20
+81
+48
+73
+87
+26
+95
+146
+113
+76
+32
+70
+8
+18
+67
+124
+80
+93
+29
+126
+147
+28
+152
+145
+159
diff --git a/py/aoc/__init__.py b/py/aoc/__init__.py
index 2518868..51ac9b0 100644
--- a/py/aoc/__init__.py
+++ b/py/aoc/__init__.py
@@ -2,10 +2,12 @@ import sys
 import argparse
 from pathlib import Path
 
+from .y2020 import d10
 from .y2021 import d14
 from .y2022 import d01, d02, d03, d04
 
 DAYS = {
+    "2020_10": y2020.d10.solve,
     "2021_14": y2021.d14.solve,
     "2022_01": y2022.d01.solve,
     "2022_02": y2022.d02.solve,
diff --git a/py/2020/10.py b/py/aoc/y2020/d10.py
similarity index 53%
rename from py/2020/10.py
rename to py/aoc/y2020/d10.py
index 4edc4d8..90a2e04 100644
--- a/py/2020/10.py
+++ b/py/aoc/y2020/d10.py
@@ -1,8 +1,5 @@
-import sys
-
-def main(path):
-    with open(path) as f:
-        values = list(sorted(int(i) for i in f))
+def solve(inputstr):
+    values = list(sorted(int(i) for i in inputstr.splitlines()))
     values.append(max(values) + 3)
 
     diffs = [y - x for x, y in zip([0] + values, values)]
@@ -10,8 +7,5 @@ def main(path):
 
     combinations = [1] + [0] * max(values)
     for adapter in values:
-        combinations[adapter] = sum(combinations[max(0, adapter-3):adapter])
+        combinations[adapter] = sum(combinations[max(0, adapter - 3) : adapter])
     print(f"Part 2: {combinations[-1]}")
-
-if __name__ == "__main__":
-    main(sys.argv[1])
diff --git a/sample_inputs/2020_10.01 b/sample_inputs/2020_10.01
new file mode 100644
index 0000000..ec4a03f
--- /dev/null
+++ b/sample_inputs/2020_10.01
@@ -0,0 +1,11 @@
+16
+10
+15
+5
+1
+11
+7
+19
+6
+12
+4
diff --git a/sample_inputs/2020_10.02 b/sample_inputs/2020_10.02
new file mode 100644
index 0000000..e6376dc
--- /dev/null
+++ b/sample_inputs/2020_10.02
@@ -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