/advent_of_code_d20_p2.py Secret
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December 20, 2017 13:54
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Solution to Day 20: Particle Swarm - Part 2
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#aoc_d20.py | |
inp = open('input_d20.txt').readlines() | |
import re | |
data = {} | |
idx = 0 | |
for i in inp: | |
m = re.match("p=<(-?\d+),(-?\d+),(-?\d+)>,\sv=<(-?\d+),(-?\d+),(-?\d+)>,\sa=<(-?\d+),(-?\d+),(-?\d+)>",i) | |
data[idx] = {'px':int(m.group(1)),'py':int(m.group(2)),'pz':int(m.group(3)), | |
'vx':int(m.group(4)),'vy':int(m.group(5)),'vz':int(m.group(6)), | |
'ax':int(m.group(7)),'ay':int(m.group(8)),'az':int(m.group(9))} | |
idx += 1 | |
distances = {} | |
r = 0 | |
br = int(input('Podaj breaker: ')) | |
while True: | |
if r > br: | |
break | |
r += 1 | |
for k,v in data.items(): | |
v['vx'] += v['ax'] | |
v['vy'] += v['ay'] | |
v['vz'] += v['az'] | |
v['px'] += v['vx'] | |
v['py'] += v['vy'] | |
v['pz'] += v['vz'] | |
new_data = {} | |
for k,v in data.items(): | |
add = True | |
for k2,v2 in data.items(): | |
if k == k2: | |
continue | |
if v['px'] == v2['px'] and v['py'] == v2['py'] and v['pz'] == v2['pz']: | |
add = False | |
break | |
if add: | |
new_data[k] = v | |
data = new_data | |
print 'Survived: ',len(data) |
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