From ff126eef68885db09e2b04dc6fff24346ea675ce Mon Sep 17 00:00:00 2001
From: Fabian Tessmer <fabian@schleichy.de>
Date: Sat, 22 Mar 2025 14:33:26 +0100
Subject: [PATCH] Advent of Code 2015 day 5 part1: solved

---
 2015/day5/input.txt   | 1000 +++++++++++++++++++++++++++++++++++++++++
 2015/day5/solution.py |   67 ++-
 2 files changed, 1064 insertions(+), 3 deletions(-)

diff --git a/2015/day5/input.txt b/2015/day5/input.txt
index e69de29..17f709f 100644
--- a/2015/day5/input.txt
+++ b/2015/day5/input.txt
@@ -0,0 +1,1000 @@
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\ No newline at end of file
diff --git a/2015/day5/solution.py b/2015/day5/solution.py
index 1718043..2b30290 100644
--- a/2015/day5/solution.py
+++ b/2015/day5/solution.py
@@ -1,10 +1,71 @@
+# region Part 1
+def check_disallowed_strs(text: str) -> bool:
+    disallowed_strs = ["ab", "cd", "pq", "xy"]
+    str_is_disallowed = False
+    for disallowed_str in disallowed_strs:
+        if disallowed_str in text:
+            str_is_disallowed = True
+    return str_is_disallowed
+
+
+def check_for_unique_vowels(text: str) -> bool:
+    vowels = ["a", "e", "i", "o", "u"]
+    num_vowels = 0
+    for vowel in vowels:
+        if vowel in text:
+            num_vowels += 1
+    return num_vowels > 2
+
+
+def check_for_vowels(text: str) -> bool:
+    vowels = ["a", "e", "i", "o", "u"]
+    num_vowels = 0
+    for char in text:
+        if char in vowels:
+            num_vowels += 1
+    return num_vowels > 2
+
+
+def check_for_repeating_letters(text: str) -> bool:
+    num_repeats, last_char = 0, ''
+    for char in text:
+        if char == last_char and last_char != '':
+            num_repeats += 1
+        last_char = char
+    return num_repeats > 0
+
+
+def check_if_nice(text: str) -> bool:
+    nice = check_for_vowels(text) and check_for_repeating_letters(text) and not check_disallowed_strs(text)
+    return nice
+
+
+def check_all(pi: list) -> int:
+    nice_words = 0
+    for word in pi:
+        nice_words += check_if_nice(word)
+    return nice_words
+
+
+# endregion Part 1
 
 if __name__ == '__main__':
-
+    assert (check_for_vowels("aei")
+            and check_for_vowels("xazegov")
+            and check_for_vowels("aeiouaeiouaeiou")), \
+        "Error: Vowlchecker couldn't solve"
+    assert (check_for_repeating_letters("xx")
+            and check_for_repeating_letters("abcdde")), \
+        "Error: repeating letters couldn't solve"
+    assert check_if_nice("ugknbfddgicrmopn"), "Error: Example 1 couldn't be solved"
+    assert check_if_nice("aaa"), "Error: Example 2 couldn't be solved"
+    assert not check_if_nice("jchzalrnumimnmhp"), "Error: Example 3 couldn't be solved"
+    assert not check_if_nice("haegwjzuvuyypxyu"), "Error: Example 4 couldn't be solved"
+    assert not check_if_nice("dvszwmarrgswjxmb"), "Error: Example 5 couldn't be solved"
     print("All test passed")
 
-    puzzle_input = open("input.txt", "r").readline()
-    print("solution: ", )
+    puzzle_input = open("input.txt", "r").read().splitlines()
+    print("solution: ", check_all(puzzle_input))
 
     print("Part2: ")
     print("solution: ", )