sovled 11b in 11a

2021/day11/11.py

@@ -1,7 +1,9 @@
 lines = [ [int(j) for j in list(i)] for i in open("input.txt", 'r').read().splitlines()]
 
 flashes = 0
-for i in range(100):
+i = 0
+found = False
+while i < 99 or not found:
     lines = [ [x+1 for x in y] for y in lines]
     flashed = True
     while flashed:
@@ -9,7 +11,8 @@ for i in range(100):
         for x in range(10):
             for y in range(10):
                 if lines[x][y] > 9:
-                    flashes += 1
+                    if(i<100):
+                        flashes += 1
                     lines[x][y] = 0
                     flashed = True
                     if x != 0 and lines[x-1][y] != 0:
@@ -28,5 +31,9 @@ for i in range(100):
                         lines[x][y-1] += 1 
                     if x != 0 and y != 0 and lines[x-1][y-1] != 0:
                         lines[x-1][y-1] += 1 
+    i += 1
+    if lines.count([0, 0, 0, 0, 0, 0, 0, 0, 0, 0]) == 10:
+        print(i)
+        found = True
 
 print(flashes)