Initial commit: AoC solutions 2023-2025

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

2023/14.py

@@ -0,0 +1,63 @@
+import numpy as np
+
+def hash_(array):
+    return tuple(array.ravel())
+
+def score(matrix):
+    total_count = 0
+    for i in range(matrix.shape[0]):
+        row = matrix[i, :]
+        count_O = np.count_nonzero(row == 'O') * (matrix.shape[0] - i)
+        total_count += count_O
+        #print(f"Row {i + 1} has {count_O} 'O's")
+    print(f"Total count: {total_count}")
+    return total_count
+
+# Read the file
+file_path = '14-input.txt'
+with open(file_path, 'r') as file:
+    lines = file.readlines()
+
+# Split each line into individual characters
+lines = [list(line.strip()) for line in lines]
+
+# Build a NumPy matrix of all the lines
+matrix = np.array(lines)
+seen_matrices = []
+seen = {}
+scores = {}
+maxval = 1_000_000_000
+# Loop through each column in the matrix
+for cycle in range(maxval):
+    print(f"Cycle {cycle + 1}")
+    h = hash_(matrix)
+    if h in seen:
+        print(matrix)
+        scores[cycle] = score(matrix)
+        print(f"Found cycle at {cycle + 1}")
+        break
+    seen[h] = cycle
+    s = score(matrix)
+    scores[cycle] = s
+    for s in range(4):
+        for i in range(matrix.shape[1]):
+            column = matrix[:, i]
+            c_length = column.shape[0]
+            if np.any(column == 'O'):
+                for c in range(c_length):
+                    if column[c] == '.':
+                        for r in range(c, c_length):
+                            if column[r] == '#':
+                                break
+                            if column[r] == 'O':
+                                column[c] = 'O'
+                                column[r] = '.'
+                                break
+
+        matrix = np.rot90(matrix, -1)
+    
+print(scores)
+cycle_length = cycle - seen[h]
+index = seen[h] + (maxval - seen[h]) % cycle_length
+
+print(f"Total count: {scores[index]}")