Initial commit

2024/3/one.py

@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+
+import sys
+import re
+
+input_file = sys.argv[1]
+
+with open(input_file) as fd:
+    lines = [line.rstrip() for line in fd.readlines()]
+
+t = 0
+reg = r"mul\(([0-9]+),([0-9]+)\)"
+for line in lines:
+    for match in re.findall(reg, line):
+        ast, bst = match
+        a, b = int(ast), int(bst)
+        m = a * b
+        t += m
+print(t)

2024/3/two.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+
+import sys
+import re
+
+input_file = sys.argv[1]
+
+with open(input_file) as fd:
+    lines = [line.rstrip() for line in fd.readlines()]
+
+t = 0
+en = True
+reg = r"mul\(([0-9]+),([0-9]+)\)|do\(\)|don't\(\)"
+for line in lines:
+    for match in re.finditer(reg, line):
+        all = match.group(0)
+        if all == "do()":
+            en = True
+        elif all == "don't()":
+            en = False
+        elif en:
+            ast, bst = match.group(1), match.group(2)
+            a, b = int(ast), int(bst)
+            m = a * b
+            t += m
+print(t)