[py] Port 2020_10

inputs/2020_10

@@ -0,0 +1,102 @@
+103
+131
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+12
+7
+2
+90
+74
+160
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+15
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+8
+18
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+93
+29
+126
+147
+28
+152
+145
+159

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,

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])

sample_inputs/2020_10.01

@@ -0,0 +1,11 @@
+16
+10
+15
+5
+1
+11
+7
+19
+6
+12
+4

sample_inputs/2020_10.02

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+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