Learn AI Create the Future — with Pranay
Main site

LeetCode solutions

2378. Sender With Largest Word Count

My accepted Python solution to LeetCode problem 2378, Sender With Largest Word Count, running in 37ms.

  • Difficulty: Medium
  • Python
  • Runtime 37ms
  • Memory 21.7MB

Read the problem on LeetCode View on GitHub

The problem statement is LeetCode’s and stays on their site. What follows is my accepted solution.

Python

Accepted on LeetCode — runtime 37ms, memory 21.7MB, accepted 2025-12-29.

python
class Solution:
    def largestWordCount(self, messages: List[str], senders: List[str]) -> str:
        word_count = {}
        for message, sender in zip(messages, senders):
            count = len(message.split())
            word_count[sender] = word_count.get(sender, 0) + count
        
        max_count = max(word_count.values())
        result = ""
        for sender, count in word_count.items():
            if count == max_count and sender > result:
                result = sender
        return result

Source