Files
AdventOfCode/2025/09/solution.py
T
2025-12-09 21:00:07 +01:00

87 lines
2.0 KiB
Python

#!/bin/python3
import sys,time,re,os,copy
from pprint import pprint
sys.path.insert(0, '../../')
from fred import *
start_time = time.time()
if sys.argv[1] == 'test':
input_f = 'test'
elif sys.argv[1] == 'input':
input_f = 'input'
else:
print('No argv provided')
exit()
#########################################
# #
# Part 1 #
# #
#########################################
def area(cords1,cords2):
width = abs(cords1[0]-cords2[0])+1
height = abs(cords1[1]-cords2[1])+1
return width*height
def part1():
score = 0
lines = loadFile(input_f,',')
heap = []
for i in range(len(lines)):
for j in range(i+1,len(lines)):
cords1 = (list2int(lines[i]))
cords2 = (list2int(lines[j]))
a = area(cords1,cords2)
heapq.heappush(heap, (a,cords1,cords2)) #only needed for part 2
if a > score:
score = a
return score,heap # heap only for part 2
start_time = time.time()
p1,heap = part1()
print('Part 1:',p1, '\t\t', round((time.time() - start_time)*1000), 'ms')
#########################################
# #
# Part 2 #
# #
#########################################
def part2(heap):
from shapely.geometry import Polygon, box
lines = loadFile(input_f,',')
for l in range(len(lines)):
lines[l] = tuple(list2int(lines[l]))
shape = Polygon(lines)
heapq._heapify_max(heap)
score = 0
while heap:
area,cords1,cords2 = heapq._heappop_max(heap)
x1,y1 = cords1
x2,y2 = cords2
rect = box(min(x1, x2), min(y1, y2), max(x1, x2), max(y1, y2))
if shape.contains(rect):
score = area
break
return score
start_time = time.time()
p2 = part2(heap)
print('Part 2:',p2, '', round((time.time() - start_time)*1000), 'ms')