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How to Solve Top Travellers Problem
Master the Top Travellers LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
Phantom Code generates complete solutions and debugging hints that you can use while explaining your approach, so you stay calm and in control.
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Start Free for WindowsEasy#1407
LeetCode ProblemTop Travellers
Table: Users Table: Rides Write a solution to report the distance traveled by each user. Return the result table ordered by travelled_distance in descending order, if two or more users traveled the same distance, order them by their name in ascending order. The result format is in the following example.
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Problem Breakdown
Understanding the Top Travellers Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
Table: Users Table: Rides Write a solution to report the distance traveled by each user. Return the result table ordered by travelled_distance in descending order, if two or more users traveled the same distance, order them by their name in ascending order. The result format is in the following example.
EasyProblem #1407
LeetCodeTop Travellers
Related Topics
Database
How Phantom Code Helps
Get real-time assistance for Top Travellers problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
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Output
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# Example 2
Input
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Output
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# Example 3
Input
Users table: +------+-----------+ | id | name | +------+-----------+ | 1 | Alice | | 2 | Bob | | 3 | Alex | | 4 | Donald | | 7 | Lee | | 13 | Jonathan | | 19 | Elvis | +------+-----------+ Rides table: +------+----------+----------+ | id | user_id | distance | +------+----------+----------+ | 1 | 1 | 120 | | 2 | 2 | 317 | | 3 | 3 | 222 | | 4 | 7 | 100 | | 5 | 13 | 312 | | 6 | 19 | 50 | | 7 | 7 | 120 | | 8 | 19 | 400 | | 9 | 7 | 230 | +------+----------+----------+
Output
+----------+--------------------+ | name | travelled_distance | +----------+--------------------+ | Elvis | 450 | | Lee | 450 | | Bob | 317 | | Jonathan | 312 | | Alex | 222 | | Alice | 120 | | Donald | 0 | +----------+--------------------+
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Solve Top Travellers — Table: Users Table: Rides Write a solution to report the distance traveled by ea...
Here's the optimal approach using Database:
def solve(input):
# Optimal O(n) solution
return result
Time: O(n) | Space: O(n)
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Undetectability Checklist
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Platform Compatibility
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Google Meet
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HackerRank
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CodeSignal
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Undetectability and technical details
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Frequently Asked Questions
Common questions about solving Top Travellers and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Top Travellers 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 Top Travellers?
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 Top Travellers?
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 Top Travellers 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 Top Travellers 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 Top Travellers 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 Top Travellers 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 Top Travellers 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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