11-1 ok, but 11-2-fail

11/11-1.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+#puzzle_input = "125 17" #example 6x blink=22 Stones / 25x blink = 55312
+puzzle_input = "112 1110 163902 0 7656027 83039 9 74"
+x_blink = 25
+
+from time import time
+
+start_time = time()
+def str_list_to_int_list(str_list:list[str]) ->list[int]:
+    result = []
+    for part in str_list:
+        result.append(int(part))
+    return result
+
+def split_integer(num):
+    length = len(str(num))
+    divisor = 10 ** (length // 2)
+    left = num // divisor
+    right = num % divisor
+    return left, right
+
+
+def blink(int_list:list[int]) -> list[int]:
+    result = []
+    for part in int_list:
+        if part == 0:
+            result.append(1)
+        elif len(str(part)) % 2 == 0:
+            result.extend(split_integer(part))
+        else:
+            result.append(part * 2024)
+    return result
+
+
+if __name__ == "__main__":
+    puzzle = puzzle_input.split()
+    puzzle = str_list_to_int_list(puzzle)
+    for x in range(x_blink):
+        puzzle = blink(puzzle)
+    #print(puzzle)
+    print(f'input: {puzzle_input} and {x_blink} blinks -> {len(puzzle)} stones')
+    print(f'Runtime: {time()-start_time:.2f} s')

11/11-2-fail.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+
+print("Does not work with only 32 GB of RAM......")
+
+
+#puzzle_input = "125 17" #example 6x blink=22 Stones / 25x blink = 55312
+puzzle_input = "112 1110 163902 0 7656027 83039 9 74"
+x_blink = 75
+
+MULTIPLY_FACTOR = 2024
+
+from time import time
+import numpy as np
+from numba import njit
+
+@njit()
+def blink(int_array:np.ndarray) -> np.ndarray:
+    result = []
+    for part in int_array:
+        if part == 0:
+            result.append(1)
+        elif len(str(part)) % 2 == 0:
+            left, right = divmod(part, 10**(len(str(part))//2))
+            result.extend([left, right])
+        else:
+            result.append(part * MULTIPLY_FACTOR)
+    return np.array(result, dtype=np.int64)
+
+@njit()
+def do_x_blinks(x:int, arr:np.ndarray) -> int:
+    for _ in range(x):
+        arr = blink(arr)
+    return len(arr)
+
+
+if __name__ == "__main__":
+    start_time = time()
+    puzzle = np.array([int(x) for x in puzzle_input.split()], dtype=np.int64)
+    p_len = do_x_blinks(x_blink, puzzle)
+    #print(puzzle)
+    print(f'input: {puzzle_input} and {x_blink} blinks -> {p_len} stones')
+    print(f'Runtime: {time()-start_time:.2f} s')