day02

3 files changed, 49 insertions, 0 deletions

diff --git a/2025/day02.py b/2025/day02.py
new file mode 100755
index 0000000..552d5b9
--- /dev/null
+++ b/2025/day02.py
@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+from functools import reduce
+from re import findall
+from copy import deepcopy
+import sys
+# import numpy as np
+
+filename = sys.argv[1] if len(sys.argv) == 2 \
+    else "in/" + sys.argv[0].split('/')[-1].rstrip(".py") + ".pzl"
+data = open(filename).read()
+lines = data.rstrip('\n').split('\n')
+
+res1 = 0
+res2 = 0
+
+def check1(a):
+    a = str(a)
+    l = len(a)
+    if l % 2 != 0:
+        return False
+    if a[0:l//2] == a[l//2:]:
+        return True
+    return False
+
+def check2(a):
+    a = str(a)
+    l = len(a)
+    for n in range(1, l):
+        aa = [a[i:i+n] for i in range(0, l, n)]
+        if len(a) > 1 and len(set(aa)) == 1:
+            return True
+    return False
+
+line = lines[0]
+for seq in line.split(','):
+    a, b = seq.split('-')
+    a, b = int(a), int(b)
+    print(b - a)
+    for i in range(a, b+1):
+        if check1(i):
+            res1 += i
+        if check2(i):
+            res2 += i
+
+print('res1:', res1)
+print('res2:', res2)
+
diff --git a/2025/in/day02.pzl b/2025/in/day02.pzl
new file mode 100644
index 0000000..a5f0835
--- /dev/null
+++ b/2025/in/day02.pzl
@@ -0,0 +1 @@
+2157315-2351307,9277418835-9277548385,4316210399-4316270469,5108-10166,872858020-872881548,537939-575851,712-1001,326613-416466,53866-90153,907856-1011878,145-267,806649-874324,6161532344-6161720341,1-19,543444404-543597493,35316486-35418695,20-38,84775309-84908167,197736-309460,112892-187377,336-552,4789179-4964962,726183-793532,595834-656619,1838-3473,3529-5102,48-84,92914229-92940627,65847714-65945664,64090783-64286175,419838-474093,85-113,34939-52753,14849-30381
diff --git a/2025/in/day02.ref b/2025/in/day02.ref
new file mode 100644
index 0000000..a3f22ef
--- /dev/null
+++ b/2025/in/day02.ref
@@ -0,0 +1 @@
+11-22,95-115,998-1012,1188511880-1188511890,222220-222224,1698522-1698528,446443-446449,38593856-38593862,565653-565659,824824821-824824827,2121212118-2121212124