started day4

2024/day4/main.py

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+import sys
+
+with open('test.text', 'r') as file:
+    data: list[str] = file.readlines()
+
+y_bound = len(data)
+x_bound = len(data[0])
+
+# Part 1
+def search_all_directions(s: str, x: int, y: int):
+    print(s)
+    if s != 'X' and s != 'XM' and s != 'XMA' and s != 'XMAS':
+        return 0
+
+    if x < 0 or y < 0 or x >= x_bound or y >= y_bound:
+        return 0
+    
+    # print(x, y)
+    if data[y][x] != s:
+        s = s + data[y][x]
+    print(s)
+
+    if s == 'XMAS':
+        return 1
+    
+    return (search_all_directions(s, y, x - 1)
+              + search_all_directions(s, y, x + 1)
+              + search_all_directions(s, y + 1, x)
+              + search_all_directions(s, y - 1, x)
+    )
+
+total = 0
+for y, line in enumerate(data):
+    for x, char in enumerate(line):
+        if char == 'X':
+            total += search_all_directions(char, x, y)
+
+print(total)
+

2024/day4/test.text

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+MMMSXXMASM
+MSAMXMSMSA
+AMXSXMAAMM
+MSAMASMSMX
+XMASAMXAMM
+XXAMMXXAMA
+SMSMSASXSS
+SAXAMASAAA
+MAMMMXMMMM
+MXMXAXMASX