Add: 07->08

2015/07.py

@@ -0,0 +1,122 @@
+import re
+
+# Fill Input
+
+try:
+	with open("07.txt", 'r', encoding='utf-8') as file:
+		input = file.read()
+except Exception as e:
+	print(f"An error occurred: {e}")
+
+# Result
+def is_number(s:str):
+	return ord('0')<= ord(s[0]) and ord(s[0]) <=ord('9')
+
+dict = {}
+for line in input.split('\n'):
+	if re_match := re.search(r"([a-z]+|[0-9]+) ([A-Z]+) ([a-z]+|[0-9]+) -> ([a-z]+)", line):
+		v1 = re_match.group(1)
+		op = re_match.group(2)
+		v2 = re_match.group(3)
+		rs = re_match.group(4)
+		dict[rs] = [op,v1,v2]
+		continue
+
+	if re_match := re.search(r"(NOT) ([a-z]+) -> ([a-z]+)", line):
+		op = re_match.group(1)
+		v1 = re_match.group(2)
+		rs = re_match.group(3)
+		dict[rs] = [op,v1,None]
+		continue	
+
+
+	if re_match := re.search(r"([a-z]+|[0-9]+) -> ([a-z]+)", line):
+		v1 = re_match.group(1)
+		rs = re_match.group(2)
+		dict[rs] = [None,v1,None]
+		continue
+
+# Part B
+#dict["b"]=[None,..., None]
+
+to_dict = {}
+while len(dict):
+	for key in dict:
+		v = dict[key]
+
+		if not v[0] and (is_number(v[1]) or v[1] in to_dict):
+			to_dict[key] = v
+
+		if (is_number(v[1]) or v[1] in to_dict ) and (not v[2] or is_number(v[2]) or v[2] in to_dict):
+			to_dict[key] = v
+
+	
+	for key in to_dict:
+		if key in dict:
+			dict.pop(key)
+
+
+
+
+for key in to_dict:
+	v = to_dict[key]
+
+	if not v[0] and is_number(v[1]):
+		to_dict[key] = int(v[1])
+		continue
+
+	if not v[0] and v[1] in to_dict:
+		to_dict[key] = to_dict[v[1]]
+		continue
+
+	if v[0] == "NOT":
+		to_dict[key] = ~to_dict[v[1]]
+		continue
+	
+	if (v[1] in to_dict) and is_number(v[2]):
+		match v[0]:
+			case "LSHIFT":
+				to_dict[key] = to_dict[v[1]] << int(v[2])
+				continue
+			case "RSHIFT":
+				to_dict[key] = to_dict[v[1]] >> int(v[2])
+				continue
+			case "AND":
+				to_dict[key] = to_dict[v[1]] & int(v[2])
+				continue
+			case "OR":
+				to_dict[key] = to_dict[v[1]] | int(v[2])
+				continue
+	
+	if is_number(v[1]) and (v[2] in to_dict):
+		match v[0]:
+			case "LSHIFT":
+				to_dict[key] = int(v[1]) << to_dict[v[2]]
+				continue
+			case "RSHIFT":
+				to_dict[key] = int(v[1]) >> to_dict[v[2]]
+				continue
+			case "AND":
+				to_dict[key] = int(v[1]) & to_dict[v[2]]
+				continue
+			case "OR":
+				to_dict[key] = int(v[1]) | to_dict[v[2]]
+				continue
+	
+	if (v[1] in to_dict) and (v[2] in to_dict):
+		match v[0]:
+			case "LSHIFT":
+				to_dict[key] = to_dict[v[1]] << to_dict[v[2]]
+				continue
+			case "RSHIFT":
+				to_dict[key] = to_dict[v[1]] >> to_dict[v[2]]
+				continue
+			case "AND":
+				to_dict[key] = to_dict[v[1]] & to_dict[v[2]]
+				continue
+			case "OR":
+				to_dict[key] = to_dict[v[1]] | to_dict[v[2]]
+				continue
+	
+
+print(to_dict["a"])