41 lines
610 B
Python
41 lines
610 B
Python
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#!/usr/bin/env python3
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from random import randrange
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import sys
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with open(sys.argv[1], 'r') as f:
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L = f.readlines()
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L = [x.strip() for x in L]
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# part 1
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l = len(L)
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li = len(L[0])
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s = [3, 1]
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i = 0
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j = 0
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t = 0
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while i < l:
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i += s[1]
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j += s[0]
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if i < l and L[i][j % li] == '#':
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t += 1
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print(t)
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# part 2
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l = len(L)
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li = len(L[0])
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ss = [[1, 1], [3, 1], [5, 1], [7, 1], [1, 2]]
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t = 1
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for n in range(len(ss)):
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s = ss[n]
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i = 0
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j = 0
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tn = 0
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while i < l:
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i += s[1]
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j += s[0]
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if i < l and L[i][j % li] == '#':
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tn += 1
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t *= tn
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print(t)
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