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-rw-r--r--solutions/py/d10.py109
1 files changed, 107 insertions, 2 deletions
diff --git a/solutions/py/d10.py b/solutions/py/d10.py
index b7ff5db..008dbc3 100644
--- a/solutions/py/d10.py
+++ b/solutions/py/d10.py
@@ -1,5 +1,8 @@
import math
+import os
import queue
+import sys
+import time
def red(dcoord):
dx = dcoord[0]
@@ -143,11 +146,113 @@ def pt2(input):
x += dx
y += dy
+def print_map(coords, w, h):
+ time.sleep(0.01)
+ os.system("clear")
+ s = ""
+ for y in range(w):
+ for x in range(h):
+ s += (coords[(x, y)] + " ") if (x,y) in coords else " "
+ s += "\n"
+ print(s)
+
+def visualize(input):
+ asteroids = set()
+ res = {}
+
+ max_x = len(input[0].rstrip())
+ max_y = len(input)
+
+ for y in range(max_y):
+ for x in range(max_x):
+ if input[y][x] == "#":
+ asteroids.add((x,y))
+
+ #print_map(asteroids, max_x, max_y)
+
+ for a in asteroids:
+ print(a)
+ time.sleep(3)
+ candidates = set(asteroids.copy())
+ candidates.remove(a)
+ seen = set()
+ while len(candidates) > 0:
+ #print(len(candidates))
+ time.sleep(0.02)
+ union = {a: "\u2588"}
+ for c in candidates:
+ union[c] = "C"
+ for s in seen:
+ union[s] = "s"
+ print_map(union, max_x, max_y)
+ c = candidates.pop()
+ seen.add(c)
+ dx = c[0] - a[0]
+ dy = c[1] - a[1]
+ x = a[0]
+ y = a[1]
+ x += dx
+ y += dy
+ dx, dy = red((dx, dy))
+ x += dx
+ y += dy
+ while x < max_x and y < max_y and x >= 0 and y >= 0:
+ if (x, y) in candidates:
+ candidates.remove((x, y))
+ if (x, y) in seen:
+ seen.remove((x, y))
+ x += dx
+ y += dy
+ res[a] = seen
+
+ best = [0, 0, 0]
+ for coord in res:
+ if (amount := len(res[coord])) > best[0]:
+ best = [amount, coord, res[coord]]
+ asteroids.remove(best[1])
+ x0 = best[1][0]
+ y0 = best[1][1]
+
+ angles = {}
+ q = queue.Queue()
+ for a in asteroids:
+ angles[a] = angle(a[0] - x0, y0 - a[1])
+
+ for k, v in sorted(angles.items(), key=lambda item: item[1]):
+ if k in best[2]:
+ q.put(k)
+
+ destroyed = 1
+ while not q.empty():
+ #print_map(asteroids, max_x, max_y)
+ asteroid = q.get()
+ if destroyed == 200:
+ return (asteroid, asteroid[0]*100 + asteroid[1])
+ asteroids.remove(asteroid)
+ destroyed += 1
+
+ # add next asteroid behind to queue
+ dx = asteroid[0] - x0
+ dy = asteroid[1] - y0
+ x = x0
+ y = y0
+ x += dx
+ y += dy
+ dx, dy = red((dx, dy))
+ x += dx
+ y += dy
+ while x < max_x and y < max_y and x >= 0 and y >= 0:
+ if (x, y) in asteroids:
+ q.put((x, y))
+ break
+ x += dx
+ y += dy
if __name__ == "__main__":
import cProfile
input = open("../input/10","r").readlines()
- cProfile.run("pt1(input)")
- cProfile.run("pt2(input)")
+ visualize(input)
+ #cProfile.run("pt1(input)")
+ #cProfile.run("pt2(input)")
print(pt1(input))
print(pt2(input))