Created
December 2, 2016 05:55
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advent of code day 2
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data = '''UULDRRRDDLRLURUUURUURDRUURRDRRURUDRURRDLLDRRRDLRUDULLRDURLULRUUURLDDRURUDRULRDDDUDRDLDDRDDRUURURRDDRLRLUDLUURURLULLLRRDRLDRLRDLULULRDRDDUURUDRRURDLRRDDDLUULDURDLDLLRLRLLUDUDLRDDLUURUUDDRDULDDLDLLDULULRLDDDUDDDRLLRURLRDUUUDUUDDURRDLDDLRDLLUDDLDRLDULDRURLUUDLURLUDRULRLRUUUURLUUUDDULLRLLURDRURLLRLRLDDRURURULRULLUUUULUDULDDDRDDLURLUURRLDDRDRUDDRRLURRDURRLDUULRRLLRDLLDDUURULLRUURRRRDRRURLULLRLRDDULULRDLDDLULLD | |
UUDUDDRRURRUDDRLDLURURLRLLDRLULLUURLLURDRLLURLLRRLURDLDURUDRURURDLRDRRDULRLLLRDLULDRLLDLDRLDDRUUUUULRLDUURDUUUURUUDLRDLLDRLURULDURURLDLLRDLULLULLLLLUDUDDLRLLLUDLRUUDDUUDUDDDLULDDUDUULUUDUDRRULRRRURUDUUULDDRURLLULLULURLUDRDLUUUDLDRRLRRRULLRRURRUDDDRDLDDDLDUDLLDRRDURRURRURRLDLURUULRLDLUDUDUUULULUUDDDLDDULRDULLULDRDDURRURRRULRDURULUDURRDLLUURRUURLLLULDRRULUUUURLRLRDDDDULLUUUDRRLRRLRRLLLUDDDLRDDURURRDULLLUDLUDURRLRDURUURURDRDUUURURRUDRURRULLDDURRLRRRUULDRLDRRURUDLULRLLRRDLDDRLRRULDDLLUURUDDUDRLUD | |
DDDUDDRRDRRRUULDRULDLDLURRRUURULRUDDRLLLLURRLRULDLURRULDRUDRRLLLLDULRDLUUURDDLDLURRLLUUURLLUDLUDRRDDULLULURDULRRDLRLDRRUUUUDLRRDLDDLDULDRUULRLLDLRURRUDLDDDRUUULLDDLULDULDUURUDDDLULUDLUURLRURUURDDUDRRLDRRRDDDDRDLUDRRDURDLDRURDDDRRLLLRDDRRRDDLDRLLUURRLDRDDRDLRDDLLDRLRDRDDDURLULLRUURDLULRURRUUDLDRLDRRDDRLDDUULLRDDRRLLLDDDUURDUDRUDUDULDULRUURLDURRDLUURRDLLDDLLURUUUDRLUURRDLUDUULRURLUDDLLRUDURRDRRRDRDLULRRLRUDULUUDRLURRRRLULURRDLLDRDDRLULURDURRDUUULLRDUUDLDUDURUDRUDDLRLULRLRLRRRLRUULLDDLUDDLDRRRLDDLLRLRLRUDULRLLLUULLDRDLDRRDULLRRLLDLDUDULUDDUUDLRDRLUUULLRLDLDDLLRUDDRDD | |
DDUURRLULDLULULLDUDDRURDDRLRDULUURURRLURDLRRDUUDLULDRDLDLRLULLRULLDRLDRRULUDRLDURUURLLDLLDDLUULLRLRULRLUURDDDDDRLDRLLLDLULDLDLULRRURLLLLLLRLUDLRRLRULUULLLLURDLLRLLDDUDLLULDLLURUUDLRDRDUDDDRDDUULRLLDDDLLRLURLUDLULRRUUUULLDLDLLLDRLUDRDRDLUDLRUDRDRUDRDLLDDLRRLRDLDURDLDRUUUDRLULUULDURDLUUUDDDDDLDRDURDLULDDLLUDUURRUDDLURUDDLRLUUDURUDUULULUDLDLUURDULURURULDDDLUUUUDLUUDUDLLLRDDLRDDLRURRRLLLULLURULLRDLLDRULRDDULULRLUDRRRDULRLLUDUULLRDRDDDULULRURULDLDLDRDLDUDRDULLUUUUUDLRDURDUUULLLRUULLRUULDRRUUDLLLULLUURLDDLUULLRLRLRDRLLLRLURDDURUDUULULDLRLRLLUDURRURDRUDLRDLLRDDRDUULRDRLLRULLUDDRLDLDDDDUDRDD | |
URDLUDUDLULURUDRLUDLUDLRLRLLDDDDDLURURUURLRDUDLRRUUDUURDURUULDRRRDDDLDUURRRDLRULRRDLRUDUDLDDDLLLRLRLRUUUUUULURRRLRLUDULURLDLLDUUDDRUDLDUDRRLULLULLDURDDRRLLRLDLLLLRLULLDDDDLDULLRDUURDUDURRUULLDRULUDLUULUUDDLDDRDLULLULDLDRLDLRULLRLURDURUDRLDURDRULRLLLLURRURLRURUDUDRRUDUUDURDDRRDRLURLURRLDRRLLRLRUDLRLLRLDLDDRDLURLLDURUDDUUDRRLRUDLUDULDRUDDRDRDRURDLRLLRULDDURLUUUUDLUDRRURDDUUURRLRRDDLULLLDLRULRRRLDRRURRURRUUDDDLDRRURLRRRRDLDLDUDURRDDLLLUULDDLRLURLRRURDRUULDDDUDRDRUDRRLRLLLLLURDULDUDRLULDRLUULUDDDDUDDRDDLDDRLLRULRRURDDDRDDLDLULRDDRRURRUDRDDDDRURDRRURUUDUDDUURULLDRDULURUDUD''' | |
directions = {'U': 1j, 'D': -1j, 'L': -1, 'R': 1} | |
grid1 = [ | |
-1+1j, 1j, 1+1j, | |
-1, 0, 1, | |
-1-1j, -1j, 1-1j, | |
] | |
keypad1 = {k: str(v) for v, k in enumerate(grid1, 1)} | |
keypad2 = { | |
2j: '1', | |
-1+1j: '2', 1j: '3', 1+1j: '4', | |
-2: '5', -1: '6', 0: '7', 1: '8', 2: '9', | |
-1-1j: 'A', -1j: 'B', 1-1j: 'C', | |
-2j: 'D' | |
} | |
def decode(keypad): | |
pos = 0 | |
code = '' | |
for line in data.splitlines(): | |
for step in line: | |
step = directions[step] | |
if pos + step in keypad: | |
pos += step | |
code += keypad[pos] | |
return code | |
print(decode(keypad1)) | |
print(decode(keypad2)) |
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