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Day 15 (cleanup)

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This commit is contained in:
Sebastian Seedorf
2020-12-15 09:55:45 +01:00
parent bf96e41ccb
commit 11d1b8c4c6
2 changed files with 4 additions and 10 deletions
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7
day15/part1.py
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@@ -3,11 +3,11 @@
from collections import defaultdict from collections import defaultdict
lines = (x.strip() for x in open("input.txt")) lines = (x.strip() for x in open("input.txt"))
nums = defaultdict(list)
TARGET = 2020 TARGET = 2020
for line in lines: for line in lines:
print(line) print(line)
nums = defaultdict(list)
turn = 0 turn = 0
last_spoken = 0 last_spoken = 0
for starting in map(int, line.split(",")): for starting in map(int, line.split(",")):
@@ -16,10 +16,7 @@ for line in lines:
last_spoken = starting last_spoken = starting
for t in range(turn, TARGET): for t in range(turn, TARGET):
last = nums[last_spoken] last = nums[last_spoken]
if len(last) == 2: n = last[1] - last[0] if len(last) == 2 else 0
n = last[1] - last[0]
else:
n = 0
nums[n] = nums[n][-1:] + [t] nums[n] = nums[n][-1:] + [t]
last_spoken = n last_spoken = n
print("->", last_spoken) print("->", last_spoken)

7
day15/part2.py
View File

@@ -3,11 +3,11 @@
from collections import defaultdict from collections import defaultdict
lines = (x.strip() for x in open("input.txt")) lines = (x.strip() for x in open("input.txt"))
nums = defaultdict(list)
TARGET = 30000000 TARGET = 30000000
for line in lines: for line in lines:
print(line) print(line)
nums = defaultdict(list)
turn = 0 turn = 0
last_spoken = 0 last_spoken = 0
for starting in map(int, line.split(",")): for starting in map(int, line.split(",")):
@@ -16,10 +16,7 @@ for line in lines:
last_spoken = starting last_spoken = starting
for t in range(turn, TARGET): for t in range(turn, TARGET):
last = nums[last_spoken] last = nums[last_spoken]
if len(last) == 2: n = last[1] - last[0] if len(last) == 2 else 0
n = last[1] - last[0]
else:
n = 0
nums[n] = nums[n][-1:] + [t] nums[n] = nums[n][-1:] + [t]
last_spoken = n last_spoken = n
print("->", last_spoken) print("->", last_spoken)