From c1fdc53e46d456d6bfa4f5a416a1e58e8a6468ef Mon Sep 17 00:00:00 2001
From: b-idea <test@test.com>
Date: Thu, 28 Sep 2023 13:25:01 +0200
Subject: added days: 10,11,12,14,16,18

---
 2018/aoc2018-d10.py | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100755 2018/aoc2018-d10.py

(limited to '2018/aoc2018-d10.py')

diff --git a/2018/aoc2018-d10.py b/2018/aoc2018-d10.py
new file mode 100755
index 0000000..7bd2ae5
--- /dev/null
+++ b/2018/aoc2018-d10.py
@@ -0,0 +1,88 @@
+#advent of code 2018 
+#day 10
+
+#part 1 & part 2
+
+class light:
+	def __init__(self, x,y,vx,vy):
+		self.Pos = [x,y];
+		self.Vel = [vx,vy];
+	def CalcNextPos(self, t):
+		return [self.Pos[0]+t*self.Vel[0],self.Pos[1]+t*self.Vel[1]];
+	def __str__(self):
+		return f'<{self.Pos[0]},{self.Pos[1]}>';
+		
+def CalcArea(x1,x2,y1,y2):
+	return abs(x1-x2)*abs(y1-y2);
+
+f = open("input.txt",'r');
+Testing = False;
+#Testing = True; 
+if Testing:
+	f.close();
+	f = open("testinput.txt",'r');
+
+lights = [];
+
+for tl in f:
+	tl = tl.replace("position=<", "");
+	tl = tl.replace("velocity=<", "");
+	tl = tl.replace(">", "");
+	tl = tl.replace(",", "");
+	tl=tl.split();
+	lights.append( light(int(tl[0]),int(tl[1]),int(tl[2]),int(tl[3])) );
+f.close();
+
+Xmin = min(lights, key = lambda x: x.Pos[0]).Pos[0];
+Xmax = max(lights, key = lambda x: x.Pos[0]).Pos[0];
+Ymin = min(lights, key = lambda y: y.Pos[1]).Pos[1];
+Ymax = max(lights, key = lambda y: y.Pos[1]).Pos[1];
+#print(Xmin,Xmax,Ymin,Ymax);
+
+PrevArea = CalcArea(Xmin,Xmax,Ymin,Ymax);
+ElapsedTime = 0;
+
+while True:
+	#print(ElapsedTime);
+	ElapsedTime += 1;
+	Xmin = min(lights, key = lambda L: L.CalcNextPos(ElapsedTime)[0]).CalcNextPos(ElapsedTime)[0];
+	Xmax = max(lights, key = lambda L: L.CalcNextPos(ElapsedTime)[0]).CalcNextPos(ElapsedTime)[0];
+	Ymin = min(lights, key = lambda L: L.CalcNextPos(ElapsedTime)[1]).CalcNextPos(ElapsedTime)[1];
+	Ymax = max(lights, key = lambda L: L.CalcNextPos(ElapsedTime)[1]).CalcNextPos(ElapsedTime)[1];
+	
+	CurrArea = CalcArea(Xmin,Xmax,Ymin,Ymax);
+	
+	if (CurrArea > PrevArea):
+		MessageTime = ElapsedTime-1;
+		break;
+		
+	PrevArea = CurrArea;
+
+pointlist = [];
+
+for l in lights:
+	xy = l.CalcNextPos(MessageTime);
+	pointlist.append((xy[0],xy[1]));
+
+Xmin = min(lights, key = lambda L: L.CalcNextPos(ElapsedTime)[0]).CalcNextPos(ElapsedTime)[0];
+Xmax = max(lights, key = lambda L: L.CalcNextPos(ElapsedTime)[0]).CalcNextPos(ElapsedTime)[0];
+Ymin = min(lights, key = lambda L: L.CalcNextPos(ElapsedTime)[1]).CalcNextPos(ElapsedTime)[1];
+Ymax = max(lights, key = lambda L: L.CalcNextPos(ElapsedTime)[1]).CalcNextPos(ElapsedTime)[1];
+
+
+print("###########");
+print("part1:");
+
+for Y in range(Ymin,Ymax+1):
+	for X in range(Xmin,Xmax+1):
+		sign = " ";
+		if ((X,Y) in pointlist):
+			sign = "#";
+		print(sign, end="");
+	#print(end="");
+	print();
+
+part2 = MessageTime;
+
+print("###########");
+print("part2 ,", part2);
-- 
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