Jul 15

Author: siddydutta

2025-07-July-LeetCoding-Challenge/README.md

@@ -18,7 +18,7 @@
 | July 12 | [1900. The Earliest and Latest Rounds Where Players Compete](https://leetcode.com/problems/the-earliest-and-latest-rounds-where-players-compete/) | Hard | Unsolved |
 | July 13 | [2410. Maximum Matching of Players With Trainers](https://leetcode.com/problems/maximum-matching-of-players-with-trainers/) | Medium | Solved |
 | July 14 | [1290. Convert Binary Number in a Linked List to Integer](https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer/) | Easy | Solved |
-| July 15 | []() |  |  |
+| July 15 | [3136. Valid Word](https://leetcode.com/problems/valid-word/) | Easy | Solved |
 | July 16 | []() |  |  |
 | July 17 | []() |  |  |
 | July 18 | []() |  |  |
@@ -40,6 +40,6 @@
 ## Summary
 | Level  | Problems | Solved | Unsolved |
 | ---    | --- | --- | --- |
-| Easy   | 4 | 4 | 0 |
+| Easy   | 5 | 5 | 0 |
 | Medium | 5 | 5 | 0 |
 | Hard   | 5 | 1 | 4 |

2025-07-July-LeetCoding-Challenge/Valid Word.py

@@ -0,0 +1,32 @@
+class Solution:
+    VOWELS = {'a', 'e', 'i', 'o', 'u'}
+
+    def isValid(self, word: str) -> bool:
+        if len(word) < 3:
+            return False
+        has_vowel, has_consonant = False, False
+        for ch in word.lower():
+            if not ch.isalpha():
+                if not ch.isdigit():
+                    return False
+            else:
+                if ch in self.VOWELS:
+                    has_vowel = True
+                else:
+                    has_consonant = True
+        return has_vowel and has_consonant
+
+
+def main():
+    word = '234Adas'
+    assert Solution().isValid(word) is True
+
+    word = 'b3'
+    assert Solution().isValid(word) is False
+
+    word = 'a3$e'
+    assert Solution().isValid(word) is False
+
+
+if __name__ == '__main__':
+    main()