pew/adventofcode2020
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Paul Walko
2020-12-04 11:45:48 -05:00
parent eb435f92bd
commit c5c7f19d49
4 changed files with 1426 additions and 0 deletions
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3/3.py Executable file
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#!/usr/bin/env python3
from random import randrange
import sys
with open(sys.argv[1], 'r') as f:
L = f.readlines()
L = [x.strip() for x in L]
# part 1
l = len(L)
li = len(L[0])
s = [3, 1]
i = 0
j = 0
t = 0
while i < l:
i += s[1]
j += s[0]
if i < l and L[i][j % li] == '#':
t += 1
print(t)
# part 2
l = len(L)
li = len(L[0])
ss = [[1, 1], [3, 1], [5, 1], [7, 1], [1, 2]]
t = 1
for n in range(len(ss)):
s = ss[n]
i = 0
j = 0
tn = 0
while i < l:
i += s[1]
j += s[0]
if i < l and L[i][j % li] == '#':
tn += 1
t *= tn
print(t)

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