day 11, 12 + folder refactoring

10_day/code.py

@@ -0,0 +1,53 @@
+import fileinput
+
+scores = [3, 57, 1197, 25137]
+
+opening_chars = ['(', '[', '{', '<']
+closing_chars = [')', ']', '}', '>']
+
+lines = fileinput.input()
+
+score = []
+completions = []
+completion_points = []
+
+for line in lines:
+	total = 0
+	stack = []
+	line = line.strip()
+	complete = True
+	for column, c in enumerate(line):
+		if c in opening_chars:
+			stack.append(opening_chars.index(c))
+		if c in closing_chars:
+			i = closing_chars.index(c)
+			if stack[-1] != i:
+				expected_i = opening_chars.index(stack[-1])
+				# print(line)
+
+				# print(''.join(column*[' ']+['^']))
+				# print(f'Expected {closing_chars[expected_i]} but found {c}')
+				# print('')
+				score.append(scores[i])
+				complete = False
+				break
+			stack.pop()
+	if not complete: continue
+	# the line is just incomplete
+	completion = []
+	while len(stack) > 0:
+		i = opening_chars.index(stack.pop())
+		char = closing_chars[i]
+		total = total*5 + (i+1)
+		completion.append(char)
+	completion_points.append(total)
+	print(''.join(completion))
+completion_points.sort()
+
+print('part 1')
+print(score)
+print(sum(score))
+
+print('part 2')
+print(completion_points)
+print(completion_points[len(completion_points)//2])

10_day/example.txt

@@ -0,0 +1,10 @@
+[({(<(())[]>[[{[]{<()<>>
+[(()[<>])]({[<{<<[]>>(
+{([(<{}[<>[]}>{[]{[(<()>
+(((({<>}<{<{<>}{[]{[]{}
+[[<[([]))<([[{}[[()]]]
+[{[{({}]{}}([{[{{{}}([]
+{<[[]]>}<{[{[{[]{()[[[]
+[<(<(<(<{}))><([]([]()
+<{([([[(<>()){}]>(<<{{
+<{([{{}}[<[[[<>{}]]]>[]]

10_day/input.txt

@@ -0,0 +1,107 @@
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