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How to Solve Sender With Largest Word Count Problem
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Start Free for WindowsMedium#2284
LeetCode ProblemSender With Largest Word Count
You have a chat log of n messages. You are given two string arrays messages and senders where messages[i] is a message sent by senders[i]. A message is list of words that are separated by a single space with no leading or trailing spaces. The word count of a sender is the total number of words sent by the sender. Note that a sender may send more than one message. Return the sender with the largest word count. If there is more than one sender with the largest word count, return the one with the lexicographically largest name.
ArrayHash TableStringCounting
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Problem Breakdown
Understanding the Sender With Largest Word Count Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
You have a chat log of n messages. You are given two string arrays messages and senders where messages[i] is a message sent by senders[i]. A message is list of words that are separated by a single space with no leading or trailing spaces. The word count of a sender is the total number of words sent by the sender. Note that a sender may send more than one message. Return the sender with the largest word count. If there is more than one sender with the largest word count, return the one with the lexicographically largest name.
MediumProblem #2284
LeetCodeSender With Largest Word Count
Related Topics
ArrayHash TableStringCounting
How Phantom Code Helps
Get real-time assistance for Sender With Largest Word Count problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
messages = ["Hello userTwooo","Hi userThree","Wonderful day Alice","Nice day userThree"], senders = ["Alice","userTwo","userThree","Alice"]
Output
"Alice"
# Example 2
Input
messages = ["How is leetcode for everyone","Leetcode is useful for practice"], senders = ["Bob","Charlie"]
Output
"Charlie"
Constraints
n == messages.length == senders.length
1 <= n <= 104
1 <= messages[i].length <= 100
1 <= senders[i].length <= 10
messages[i] consists of uppercase and lowercase English letters and ' '.
All the words in messages[i] are separated by a single space.
messages[i] does not have leading or trailing spaces.
senders[i] consists of uppercase and lowercase English letters only.
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Solve Sender With Largest Word Count — You have a chat log of n messages. You are given two string arrays messages and ...
Here's the optimal approach using Array:
def solve(input):
# Optimal O(n) solution
return result
Time: O(n) | Space: O(n)
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Frequently Asked Questions
Common questions about solving Sender With Largest Word Count and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Sender With Largest Word Count during interviews?
Phantom Code generates complete solutions instantly with proper complexity analysis, letting you focus on explaining your approach and demonstrating problem-solving skills rather than getting stuck on implementation details during high-pressure situations.
What if the interviewer asks follow-up questions or modifications to problems like Sender With Largest Word Count?
Phantom Code adapts in real-time. Screenshot the modified problem or use audio mode to capture the interviewer's follow-up, and get an updated solution within seconds — including edge cases and optimizations.
Can Phantom Code help me communicate my solution for problems like Sender With Largest Word Count?
Yes. Phantom Code provides step-by-step approach explanations with 3 progressive thoughts, so you can walk through your solution naturally. It also provides time and space complexity analysis to discuss trade-offs.
How does Phantom Code assist with different programming languages for Sender With Largest Word Count type problems?
Phantom Code supports 11 programming languages including Python, Java, C++, JavaScript, TypeScript, Go, Rust, Ruby, Swift, Kotlin, and C#. Set your preferred language and get idiomatic solutions.
What coding mistakes does Phantom Code help me avoid during Sender With Largest Word Count interviews?
Phantom Code catches common mistakes like off-by-one errors, missing edge cases, incorrect base conditions, and suboptimal approaches. It provides clean, well-structured code that handles all edge cases.
Is Phantom Code detectable when solving problems like Sender With Largest Word Count during live interviews?
No. Phantom Code runs as an invisible desktop overlay that doesn't appear in screen shares, recordings, or proctoring software. It works with Zoom, HackerRank, CodeSignal, CoderPad, and all major platforms.
How does Phantom Code help when I'm struggling with Sender With Largest Word Count style questions under pressure?
The AI provides structured guidance: first the approach (what algorithm/data structure to use and why), then the implementation with clean code, and finally complexity analysis. This helps you think clearly even under pressure.
Does Phantom Code work for the coding platforms used in Sender With Largest Word Count interviews?
Yes. Phantom Code works with all major coding platforms including LeetCode, HackerRank, CodeSignal, CoderPad, HackerEarth, and any browser-based coding environment.
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