My Advent of Code solutions in Python.
kevinyap.ca/2019/12/going-fast-in-advent-of-code/
advent-of-code
python
Add solution for 2016/08
+227
+33
2016/day08.py
+33
2016/day08.py
···
1
+
import re
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import fileinput
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from utils import parse_line
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WIDTH = 50
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HEIGHT = 6
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SCREEN = [[False for _ in range(WIDTH)] for _ in range(HEIGHT)]
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9
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for line in fileinput.input():
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if line.startswith('rect'):
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a, b = parse_line(r'rect (\d+)x(\d+)', line)
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for y in range(b):
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for x in range(a):
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SCREEN[y][x] = True
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else:
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rc, n, offset = parse_line(r'rotate (\w+) .=(\d+) by (\d+)', line)
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if rc == 'row':
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temp = SCREEN[n][:]
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for i, x in enumerate(temp):
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SCREEN[n][(offset+i) % WIDTH] = x
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else:
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temp = [row[n] for row in SCREEN]
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for i, x in enumerate(temp):
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SCREEN[(offset+i) % HEIGHT][n] = x
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print "Number of lit pixels: %i" % sum(sum(row) for row in SCREEN)
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for row in SCREEN:
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print ''.join('#' if x else ' ' for x in row)
+194
2016/input08.txt
+194
2016/input08.txt
···
1
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rect 1x1
2
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rotate row y=0 by 7
3
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rect 1x1
4
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rotate row y=0 by 5
5
+
rect 1x1
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+
rotate row y=0 by 5
7
+
rect 1x1
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+
rotate row y=0 by 2
9
+
rect 1x1
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+
rotate row y=0 by 3
11
+
rect 1x1
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+
rotate row y=0 by 5
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+
rect 1x1
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+
rotate row y=0 by 3
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+
rect 1x1
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+
rotate row y=0 by 2
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+
rect 1x1
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rotate row y=0 by 3
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+
rect 2x1
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+
rotate row y=0 by 7
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+
rect 6x1
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+
rotate row y=0 by 3
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rect 2x1
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rotate row y=0 by 2
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+
rect 1x2
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rotate row y=1 by 10
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rotate row y=0 by 3
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rotate column x=0 by 1
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rect 2x1
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rotate column x=20 by 1
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+
rotate column x=15 by 1
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+
rotate column x=5 by 1
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+
rotate row y=1 by 5
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+
rotate row y=0 by 2
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rect 1x2
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rotate row y=0 by 5
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+
rotate column x=0 by 1
38
+
rect 4x1
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+
rotate row y=2 by 15
40
+
rotate row y=0 by 5
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+
rotate column x=0 by 1
42
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rect 4x1
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rotate row y=2 by 5
44
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rotate row y=0 by 5
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+
rotate column x=0 by 1
46
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rect 4x1
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rotate row y=2 by 10
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+
rotate row y=0 by 10
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rotate column x=8 by 1
50
+
rotate column x=5 by 1
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rotate column x=0 by 1
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rect 9x1
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rotate column x=27 by 1
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rotate row y=0 by 5
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+
rotate column x=0 by 1
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rect 4x1
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rotate column x=42 by 1
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+
rotate column x=40 by 1
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+
rotate column x=22 by 1
60
+
rotate column x=17 by 1
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+
rotate column x=12 by 1
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+
rotate column x=7 by 1
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+
rotate column x=2 by 1
64
+
rotate row y=3 by 10
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+
rotate row y=2 by 5
66
+
rotate row y=1 by 3
67
+
rotate row y=0 by 10
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+
rect 1x4
69
+
rotate column x=37 by 2
70
+
rotate row y=3 by 18
71
+
rotate row y=2 by 30
72
+
rotate row y=1 by 7
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+
rotate row y=0 by 2
74
+
rotate column x=13 by 3
75
+
rotate column x=12 by 1
76
+
rotate column x=10 by 1
77
+
rotate column x=7 by 1
78
+
rotate column x=6 by 3
79
+
rotate column x=5 by 1
80
+
rotate column x=3 by 3
81
+
rotate column x=2 by 1
82
+
rotate column x=0 by 1
83
+
rect 14x1
84
+
rotate column x=38 by 3
85
+
rotate row y=3 by 12
86
+
rotate row y=2 by 10
87
+
rotate row y=0 by 10
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+
rotate column x=7 by 1
89
+
rotate column x=5 by 1
90
+
rotate column x=2 by 1
91
+
rotate column x=0 by 1
92
+
rect 9x1
93
+
rotate row y=4 by 20
94
+
rotate row y=3 by 25
95
+
rotate row y=2 by 10
96
+
rotate row y=0 by 15
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+
rotate column x=12 by 1
98
+
rotate column x=10 by 1
99
+
rotate column x=8 by 3
100
+
rotate column x=7 by 1
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+
rotate column x=5 by 1
102
+
rotate column x=3 by 3
103
+
rotate column x=2 by 1
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+
rotate column x=0 by 1
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+
rect 14x1
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+
rotate column x=34 by 1
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+
rotate row y=1 by 45
108
+
rotate column x=47 by 1
109
+
rotate column x=42 by 1
110
+
rotate column x=19 by 1
111
+
rotate column x=9 by 2
112
+
rotate row y=4 by 7
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+
rotate row y=3 by 20
114
+
rotate row y=0 by 7
115
+
rotate column x=5 by 1
116
+
rotate column x=3 by 1
117
+
rotate column x=2 by 1
118
+
rotate column x=0 by 1
119
+
rect 6x1
120
+
rotate row y=4 by 8
121
+
rotate row y=3 by 5
122
+
rotate row y=1 by 5
123
+
rotate column x=5 by 1
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+
rotate column x=4 by 1
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rotate column x=3 by 2
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+
rotate column x=2 by 1
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+
rotate column x=1 by 3
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rotate column x=0 by 1
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rect 6x1
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rotate column x=36 by 3
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rotate column x=25 by 3
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rotate column x=18 by 3
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rotate column x=11 by 3
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+
rotate column x=3 by 4
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rotate row y=4 by 5
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rotate row y=3 by 5
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rotate row y=2 by 8
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rotate row y=1 by 8
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+
rotate row y=0 by 3
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+
rotate column x=3 by 4
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rotate column x=0 by 4
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rect 4x4
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rotate row y=4 by 10
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rotate row y=3 by 20
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rotate row y=1 by 10
146
+
rotate row y=0 by 10
147
+
rotate column x=8 by 1
148
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rotate column x=7 by 1
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rotate column x=6 by 1
150
+
rotate column x=5 by 1
151
+
rotate column x=3 by 1
152
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rotate column x=2 by 1
153
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rotate column x=1 by 1
154
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rotate column x=0 by 1
155
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rect 9x1
156
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rotate row y=0 by 40
157
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rotate column x=44 by 1
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rotate column x=35 by 5
159
+
rotate column x=18 by 5
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+
rotate column x=15 by 3
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+
rotate column x=10 by 5
162
+
rotate row y=5 by 15
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+
rotate row y=4 by 10
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rotate row y=3 by 40
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rotate row y=2 by 20
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rotate row y=1 by 45
167
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rotate row y=0 by 35
168
+
rotate column x=48 by 1
169
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rotate column x=47 by 5
170
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rotate column x=46 by 5
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+
rotate column x=45 by 1
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+
rotate column x=43 by 1
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rotate column x=40 by 1
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+
rotate column x=38 by 2
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rotate column x=37 by 3
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+
rotate column x=36 by 2
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rotate column x=32 by 2
178
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rotate column x=31 by 2
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rotate column x=28 by 1
180
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rotate column x=23 by 3
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rotate column x=22 by 3
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+
rotate column x=21 by 5
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+
rotate column x=20 by 1
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+
rotate column x=18 by 1
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+
rotate column x=17 by 3
186
+
rotate column x=13 by 1
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+
rotate column x=10 by 1
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+
rotate column x=8 by 1
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rotate column x=7 by 5
190
+
rotate column x=6 by 5
191
+
rotate column x=5 by 1
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+
rotate column x=3 by 5
193
+
rotate column x=2 by 5
194
+
rotate column x=1 by 5