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another day of coding

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Peter Hudec 2015-12-21 00:44:35 +01:00
parent 570f54b720
commit 6e366d7ade
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51
17/part1.py Normal file
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#!/usr/bin/python
import re
RE_INGRADIENT_INFO = re.compile(r'^(.*): capacity (-?\d+), durability (-?\d+), flavor (-?\d+), texture (-?\d+), calories (-?\d+)$')
def read_file(filename):
file = open(filename, 'r')
while True:
line = file.readline()
if not line:
break
yield line
def bottle_usage_positions(minCount, maxCount, pos, usage):
if pos == len(usage):
yield usage
return
for x in range(minCount, maxCount+1):
usage[pos] = x
for b in bottle_usage_positions(minCount, maxCount, pos+1, usage):
yield b
usage[pos] = minCount
def calculate_liters(bottles, usage):
sum = 0
bottles_used = []
for x in range(len(bottles)):
sum += bottles[x] * usage[x]
bottles_used.append(bottles[x] * usage[x])
return (sum, bottles_used)
def main():
input = 150
bottles = []
bottle_usage = []
for line in read_file('input'):
bottles.append(int(line))
bottle_usage.append(0)
for usage in bottle_usage_positions(0, 1, 0, bottle_usage):
(litres, used) = calculate_liters(bottles, usage)
if litres == input:
print used
if __name__ == "__main__":
main()

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17/part2.py Normal file
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#!/usr/bin/python
import re
RE_INGRADIENT_INFO = re.compile(r'^(.*): capacity (-?\d+), durability (-?\d+), flavor (-?\d+), texture (-?\d+), calories (-?\d+)$')
def read_file(filename):
file = open(filename, 'r')
while True:
line = file.readline()
if not line:
break
yield line
def bottle_usage_positions(minCount, maxCount, pos, usage):
if pos == len(usage):
yield usage
return
for x in range(minCount, maxCount+1):
usage[pos] = x
for b in bottle_usage_positions(minCount, maxCount, pos+1, usage):
yield b
usage[pos] = minCount
def calculate_liters(bottles, usage):
sum = 0
bottles_used = 0
for x in range(len(bottles)):
sum += bottles[x] * usage[x]
bottles_used += usage[x]
return (sum, bottles_used)
def main():
input = 150
bottles = []
bottle_usage = []
for line in read_file('input'):
bottles.append(int(line))
bottle_usage.append(0)
for usage in bottle_usage_positions(0, 1, 0, bottle_usage):
(litres, used) = calculate_liters(bottles, usage)
if litres == input:
print used
if __name__ == "__main__":
main()

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17/readme Normal file
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## part1
python part1.py | wc -l
## part2
python part2.py | sort | uniq -c

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.#.#.#
...##.
#....#
..#...
#.#..#
####..

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#!/usr/bin/python
import re
RE_INGRADIENT_INFO = re.compile(r'^(.*): capacity (-?\d+), durability (-?\d+), flavor (-?\d+), texture (-?\d+), calories (-?\d+)$')
def read_file(filename):
file = open(filename, 'r')
while True:
line = file.readline()
if not line:
break
yield line
def get_neighbors(lights, posX, posY, minX, minY, maxX, maxY):
lightsOn = 0
lightsOff = 0
for x in range(posX-1, posX+2):
if x < minX or x > maxX:
continue
for y in range(posY-1, posY+2):
if y < minY or y > maxY:
continue
if x == posX and y == posY:
continue
if lights[x][y] == '#':
lightsOn += 1
if lights[x][y] == '.':
lightsOff += 1
return (lightsOn, lightsOff)
def do_one_step(lights, sizeX, sizeY):
result = []
for x in range(sizeX):
line = ""
for y in range(sizeY):
light = lights[x][y]
(on, off) = get_neighbors(lights, x, y, 0, 0, sizeX-1, sizeY-1)
# print "[%d, %d]: on:%d off: %d" % (x, y, on, off)
if lights[x][y] == '#':
if on != 2 and on != 3:
light = '.'
if lights[x][y] == '.':
if on == 3:
light = '#'
line = line + light
result.append(line)
return result
def main():
lights = []
for line in read_file('input'):
lights.append(line.strip())
for i in range(100):
print "iteration: %d" % i
lights = do_one_step(lights, 100, 100)
on = 0
for line in lights:
on += line.count('#')
print on
if __name__ == "__main__":
main()

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#!/usr/bin/python
import re
RE_INGRADIENT_INFO = re.compile(r'^(.*): capacity (-?\d+), durability (-?\d+), flavor (-?\d+), texture (-?\d+), calories (-?\d+)$')
def read_file(filename):
file = open(filename, 'r')
while True:
line = file.readline()
if not line:
break
yield line
def get_neighbors(lights, posX, posY, minX, minY, maxX, maxY):
lightsOn = 0
lightsOff = 0
for x in range(posX-1, posX+2):
if x < minX or x > maxX:
continue
for y in range(posY-1, posY+2):
if y < minY or y > maxY:
continue
if x == posX and y == posY:
continue
if lights[x][y] == '#':
lightsOn += 1
if lights[x][y] == '.':
lightsOff += 1
return (lightsOn, lightsOff)
def do_one_step(lights, sizeX, sizeY):
result = []
for x in range(sizeX):
line = ""
for y in range(sizeY):
light = lights[x][y]
(on, off) = get_neighbors(lights, x, y, 0, 0, sizeX-1, sizeY-1)
# print "[%d, %d]: on:%d off: %d" % (x, y, on, off)
if lights[x][y] == '#':
if on != 2 and on != 3:
light = '.'
if lights[x][y] == '.':
if on == 3:
light = '#'
if x == 0 and (y == 0 or y == sizeY-1):
light = '#'
if x == sizeX-1 and (y == 0 or y == sizeY-1):
light = '#'
line = line + light
result.append(line)
return result
def main():
lights = []
for line in read_file('input'):
lights.append(line.strip())
lights[0] = "#" + lights[0][1:-1] + "#"
lights[99] = "#" + lights[99][1:-1] + "#"
for i in range(100):
print "iteration: %d" % i
lights = do_one_step(lights, 100, 100)
on = 0
for line in lights:
on += line.count('#')
print on
if __name__ == "__main__":
main()

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Al => ThF
Al => ThRnFAr
B => BCa
B => TiB
B => TiRnFAr
Ca => CaCa
Ca => PB
Ca => PRnFAr
Ca => SiRnFYFAr
Ca => SiRnMgAr
Ca => SiTh
F => CaF
F => PMg
F => SiAl
H => CRnAlAr
H => CRnFYFYFAr
H => CRnFYMgAr
H => CRnMgYFAr
H => HCa
H => NRnFYFAr
H => NRnMgAr
H => NTh
H => OB
H => ORnFAr
Mg => BF
Mg => TiMg
N => CRnFAr
N => HSi
O => CRnFYFAr
O => CRnMgAr
O => HP
O => NRnFAr
O => OTi
P => CaP
P => PTi
P => SiRnFAr
Si => CaSi
Th => ThCa
Ti => BP
Ti => TiTi
e => HF
e => NAl
e => OMg
ORnPBPMgArCaCaCaSiThCaCaSiThCaCaPBSiRnFArRnFArCaCaSiThCaCaSiThCaCaCaCaCaCaSiRnFYFArSiRnMgArCaSiRnPTiTiBFYPBFArSiRnCaSiRnTiRnFArSiAlArPTiBPTiRnCaSiAlArCaPTiTiBPMgYFArPTiRnFArSiRnCaCaFArRnCaFArCaSiRnSiRnMgArFYCaSiRnMgArCaCaSiThPRnFArPBCaSiRnMgArCaCaSiThCaSiRnTiMgArFArSiThSiThCaCaSiRnMgArCaCaSiRnFArTiBPTiRnCaSiAlArCaPTiRnFArPBPBCaCaSiThCaPBSiThPRnFArSiThCaSiThCaSiThCaPTiBSiRnFYFArCaCaPRnFArPBCaCaPBSiRnTiRnFArCaPRnFArSiRnCaCaCaSiThCaRnCaFArYCaSiRnFArBCaCaCaSiThFArPBFArCaSiRnFArRnCaCaCaFArSiRnFArTiRnPMgArF