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6partTwo.py
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6partTwo.py
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"""
Advent of Code Day 6 part 2
Hector Ramos
1/10/2016
"""
from input6 import s
def lightGrid(s):
lines = s.split("\n")
matrix = [[0 for x in xrange(1000)] for x in xrange(1000)]
for l in lines:
command = l.split(" ")
if len(command) == 4:
start = command[1].split(",")
end = command[3].split(",")
toggleLights(start, end, matrix)
elif command[1] == "on":
start = command[2].split(",")
end = command[4].split(",")
turnOnLights(start, end, matrix)
elif command[1] == "off":
start = command[2].split(",")
end = command[4].split(",")
turnOffLights(start, end, matrix)
totalBrightness = 0
for i in xrange(1000):
for j in xrange(1000):
if matrix[i][j]:
totalBrightness += matrix[i][j]
return "The total brightness of all lights is %d." %totalBrightness
def toggleLights(start, end, matrix):
xStart = int(start[0])
xEnd = int(end[0]) + 1
yStart = int(start[1])
yEnd = int(end[1]) + 1
for i in xrange(xStart, xEnd):
for j in xrange(yStart, yEnd):
matrix[i][j] += 2
def turnOnLights(start, end, matrix):
xStart = int(start[0])
xEnd = int(end[0]) + 1
yStart = int(start[1])
yEnd = int(end[1]) + 1
for i in xrange(xStart, xEnd):
for j in xrange(yStart, yEnd):
matrix[i][j] += 1
def turnOffLights(start, end, matrix):
xStart = int(start[0])
xEnd = int(end[0]) + 1
yStart = int(start[1])
yEnd = int(end[1]) + 1
for i in xrange(xStart, xEnd):
for j in xrange(yStart, yEnd):
matrix[i][j] -= 1
if matrix[i][j] < 0:
matrix[i][j] = 0
print lightGrid(s)