2024 Day 3

2024/Day-03/day03-1.py

@@ -0,0 +1,14 @@
+#!/usr/bin/python3
+
+import re
+from math import prod
+
+if __name__ == '__main__':
+    with open('input.txt', 'r' ) as input_file:
+        input = input_file.read()
+
+    res = 0
+    for cmd in re.findall(r"mul\(\d+,\d+\)", input, flags=re.MULTILINE):
+        digits = [int(y) for y in ''.join([x for x in cmd if x.isdigit() or x == ',']).split(',')]
+        res += prod(digits)
+    print(res)

2024/Day-03/day03-2.py

@@ -0,0 +1,22 @@
+#!/usr/bin/python3
+
+import re
+from math import prod
+
+if __name__ == '__main__':
+    with open('input.txt', 'r' ) as input_file:
+        input = input_file.read()
+
+    res = 0
+    en = True
+    for cmd in re.findall(r"(do\(\)|don\'t\(\)|mul\(\d+,\d+\))", input, flags=re.MULTILINE):
+        if cmd == 'do()':
+            en = True
+            continue
+        if cmd =='don\'t()':
+            en = False
+            continue
+        if en:
+            digits = [int(y) for y in ''.join([x for x in cmd if x.isdigit() or x == ',']).split(',')]
+            res += prod(digits)
+    print(res)