Merge pull request #2 from bloopy-code/newday/day02

Newday/day02

Author: bloopy-code

aoc_25/inputs/day02.txt

@@ -1 +1 @@
-PLACEHOLDER INPUT
+975119-1004307,35171358-35313940,6258659887-6258804661,737649-837633,85745820-85956280,9627354-9679470,2327309144-2327509647,301168-351545,537261-631588,364281214-364453549,9563727253-9563879587,3680-9127,388369417-388406569,6677501-6752949,650804-678722,3314531-3365076,1052-2547,24134-68316,8888820274-8888998305,82614-107458,456819-529037,358216-389777,24222539-24266446,874565-916752,3886244-3960191,25-110,9696951376-9696996784,171-671,5656545867-5656605587,75795017-75865731,1-16,181025-232078

aoc_25/solutions/day02.py

@@ -1,25 +1,89 @@
-"""Day 2 - Title Goes Here"""
+"""Day 2 - Gift Shop"""
 
 from typing import Any
-from utils.aoc_utils import input_for_day, report_results, AoCResult
+from utils.aoc_utils import report_results, AoCResult, input_for_day
+from itertools import batched
+from rich.progress import track
 
+EXAMPLE: list[str] = [
+    "11-22",
+    "95-115",
+    "998-1012",
+    "1188511880-1188511890",
+    "222220-222224",
+    "1698522-1698528",
+    "446443-446449",
+    "38593856-38593862",
+    "565653-565659",
+    "824824821-824824827",
+    "2121212118-2121212124",
+]
+INPUT_DATA: str = input_for_day(2, 2025)
+DATA: list[str] = INPUT_DATA.split(",")
 
-EXAMPLE: list = []
-DATA = input_for_day(2)
 
+def part2_wrangle(id_str: str) -> int:
+    """Part 2 wrangle.
+    Find chunks of string id to make it even chunks.
+    If a len(set) of those chunks == 1 - invalid id!
 
-def helperfunction(data: Any) -> None:
-    return None
+    Args:
+        id_str (str): ID String
+
+    Returns:
+        int: either the invalid id int or 0
+    """
+    # find each divisor
+    id_len: int = len(id_str)
+    divisors: list[int] = [x for x in range(1, id_len) if id_len % x == 0]
+
+    for d in divisors:
+        if id_len / d >= 2:
+            b: list[tuple[str, ...]] = list(batched(id_str, d))
+            if len(set(b)) == 1:
+                return int(id_str)
+    return 0
+
+
+def id_wrangle(data: list[str]) -> AoCResult:
+    """Solution for Day02 AOC25.
+    Part 1 - looks for ID's that are just repeats.
+    Part 2 - TBA.
+
+    Args:
+        data (list[str]): Input data.
+
+    Returns:
+        AoCResult: part1 invalid ids, part 2 invalid ids
+    """
+    invalid_ids_p1: int = 0
+    invalid_ids_p2: int = 0
+
+    for x in track(data):
+        lower_id, upper_id = map(int, x.split("-"))
+        id_range: range = range(lower_id, upper_id + 1)
+
+        for j in id_range:
+            id_str: str = str(j)
+            invalid_ids_p2 += part2_wrangle(id_str)
+            # print(list(batched(id_str, 2)))
+            if len(id_str) % 2 == 0:
+                split_id_str1, split_id_str2 = list(batched(id_str, len(id_str) // 2))
+                # print(split_id_str1, split_id_str2)
+                if split_id_str1 == split_id_str2:
+                    # print(id_str, ' = INVALID ID', list(batched(id_str, 2))
+                    invalid_ids_p1 += int(id_str)
+
+    return invalid_ids_p1, invalid_ids_p2
 
 
 @report_results
-def solveday(data: Any) -> AoCResult:
-    p1: int = 0
-    p2: int = 0
+def solveday(data: list[str]) -> AoCResult:
+    p1, p2 = id_wrangle(data)
     return p1, p2
 
 
-expected_test_results: AoCResult = (0, 0)
+expected_test_results: AoCResult = (1227775554, 4174379265)
 
 
 def tests(test_input: Any) -> None: