2025-07-31 15:31:00 +0000 UTC

Unique Morse Code Words

Categories:

Py

Tags:

Links

https://leetcode.com/submissions/detail/1718496425/

Code

MORSE = (".-","-...","-.-.","-..",".","..-.","--.","....","..",".---","-.-",".-..","--","-.","---",".--.","--.-",".-.","...","-","..-","...-",".--","-..-","-.--","--..")

class Solution:
    def uniqueMorseRepresentations(self, words: List[str]) -> int:
        enc = set()
        for word in words:
            enc.add("".join(MORSE[ord(char) - 97] for char in word))
        return len(enc)