Completed day 14 of year 2024

Author: fschatbot

.gitignore

@@ -3,4 +3,5 @@ config.py
 */inputs/*.txt
 Completed.md
 *.dump.*
-debug.html
+debug.html
+2024/14

2024/14.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from PIL import Image
+import os
+
+def parse(data:str):
+	robots = []
+	for line in data.split("\n"):
+		p, v = line.split(' ')
+		p = p[2:].split(',')
+		v = v[2:].split(',')
+		robots.append(((int(p[0]), int(p[1])), (int(v[0]), int(v[1]))))
+	
+	return robots
+
+split_data = parse
+completed = True
+raw_data = None # Not To be touched
+
+def part1(data):
+	bx, by = 101, 103
+	quadrants = [0, 0, 0, 0]
+
+	# Simulation
+	for robot in data:
+		# Instant 100s simulation
+		((x, y), (vx, vy)) = robot
+		nx = (x + vx * 100) % bx
+		ny = (y + vy * 100) % by
+
+		# Figuring out which quadrant the robot is in.
+		if nx < bx // 2:
+			if ny < by // 2:
+				quadrants[0] += 1
+			elif ny > by // 2:
+				quadrants[1] += 1
+		elif nx > bx // 2:
+			if ny < by // 2:
+				quadrants[2] += 1
+			elif ny > by // 2:
+				quadrants[3] += 1
+	
+	# print(quadrants)
+	return quadrants[0] * quadrants[1] * quadrants[2] * quadrants[3]
+
+
+def part2(data):
+	bx, by = 101, 103
+
+	os.makedirs("2024/14", exist_ok=True)
+
+	# Simulation
+	robots = data
+	for i in range(1, 10_001):
+		nRobots = []
+
+		# Gray scale image
+		img = Image.new('L', (bx, by), 255)
+		for robot in robots:
+			# Instant 100s simulation
+			((x, y), (vx, vy)) = robot
+			nx = (x + vx) % bx
+			ny = (y + vy) % by
+
+			# Drawing the robot
+			img.putpixel((nx, ny), 0)
+
+			nRobots.append(((nx, ny), (vx, vy)))
+		
+		# Save the image
+		img.save(f"2024/14/{i}.png")
+		robots = nRobots
+	
+
+
+	print("Please open the folder 2024/14 and search for the file that forms a christmas tree. You will see 10,000 images and one of them forms the christmas tree.")