2024(4): puzzle 1 does not work

Co-authored-by: Marit Nuijten <marit.nuijten@gmail.com>

2024/4/puzzle1.py

@@ -0,0 +1,63 @@
+
+def scan_line(line):
+	to_find = "XMAS"
+	
+	return line.count(to_find)
+
+def transpose(list_2d):
+	return list(zip(*list_2d))
+
+def rotate(list_2d):
+	x_max, y_max = len(list_2d), len(list_2d[0])
+	diagonal_list = []
+
+	# Diagonals starting from (0,0), for the first row.
+	for i in range(x_max):
+		substring = ""
+		x = i
+		y = 0
+		#while x < x_max and y < y_max:
+		# TODO: Snapperniksvan -- Kees
+		while x < x_max and y < len(list_2d[x]):
+			print(x, x_max, y, y_max)
+			substring += list_2d[x][y]
+			x += 1
+			y += 1
+		diagonal_list.append(substring)	
+
+	# Diagonals starting from (0,1), for the first column.
+	for j in range(1, y_max):
+		substring = ""
+		x = 0
+		y = j
+		while x < x_max and y < y_max:
+			substring += list_2d[x][y]
+			x += 1
+			y += 1
+		diagonal_list.append(substring)	
+
+	return diagonal_list
+
+if __name__ == "__main__":
+	result = 0
+	
+	with open("input", "r") as fp:
+		full_string = fp.read().split("\n") 
+		for line in full_string:
+			result += scan_line(line)
+			result += scan_line(line[::-1])
+		for line in transpose(full_string):
+			result += scan_line(line)
+			result += scan_line(line[::-1])
+
+		diagonal_list = rotate(full_string)
+		for line in full_string:
+			result += scan_line(line)
+			result += scan_line(line[::-1])
+		for line in transpose(full_string):
+			result += scan_line(line)
+			result += scan_line(line[::-1])
+
+		#transposed_file = 
+	print(f"The sum of all horizontal XMAS's equals {result}.")
+