Finished 2023-12-11 p1

2023/day11/part1.py

@@ -2,6 +2,7 @@ import sys
 import os
 from pprint import pprint
 import time
+import math
 
 #colors
 from termcolor import colored
@@ -32,10 +33,7 @@ def expand_galaxy(grid):
     ngrid=[]
     for r,row in enumerate(grid):
         if not '#' in row:
-            tmp = []
-            for i in range(len(grid[0])):
-                tmp.append('.')
-            ngrid.append(tmp)
+            ngrid.append(row)
         ngrid.append(row)
     return ngrid
 
@@ -50,3 +48,28 @@ grid = rotate_galaxy(grid,1)
 grid = expand_galaxy(grid)
 grid = rotate_galaxy(grid,3)
 p(grid)
+
+galaxies = []
+for r,row in enumerate(grid):
+    for c,col in enumerate(row):
+        if grid[r][c] == '#':
+            galaxies.append((r,c))
+
+count = 0
+checked = 0
+skip = []
+for gdx,g in enumerate(galaxies):
+    for pdx,p in enumerate(galaxies):
+        if g != p and (g,p) not in skip:
+            print(checked,end='')
+            print(' of ',end='')
+            print(len(galaxies)*len(galaxies)/2)
+            skip.append((g,p))
+            skip.append((p,g))
+            checked += 1
+            d = abs(list(g)[0] - list(p)[0]) + abs(list(g)[1]-list(p)[1])
+            #d = math.dist(g,p)
+            count += d
+            #print('Distance between galaxy ' + str(gdx+1) + ' '  + str(g) + ' and ' + str(pdx+1) + ' ' + str(p) + ' is ' + str(d))
+print(checked)
+print(count)