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HomeLeetCode ProblemsTotal Distance Traveled
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How to Solve Total Distance Traveled Problem

Master the Total Distance Traveled LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.

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Easy#2739
LeetCode Problem

Total Distance Traveled

A truck has two fuel tanks. You are given two integers, mainTank representing the fuel present in the main tank in liters and additionalTank representing the fuel present in the additional tank in liters. The truck has a mileage of 10 km per liter. Whenever 5 liters of fuel get used up in the main tank, if the additional tank has at least 1 liters of fuel, 1 liters of fuel will be transferred from the additional tank to the main tank. Return the maximum distance which can be traveled. Note: Injection from the additional tank is not continuous. It happens suddenly and immediately for every 5 liters consumed.

MathSimulation

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Problem Breakdown

Understanding the Total Distance Traveled Problem

Let's break down this LeetCode problem and understand what makes it challenging in interview settings.

Problem Statement

A truck has two fuel tanks. You are given two integers, mainTank representing the fuel present in the main tank in liters and additionalTank representing the fuel present in the additional tank in liters. The truck has a mileage of 10 km per liter. Whenever 5 liters of fuel get used up in the main tank, if the additional tank has at least 1 liters of fuel, 1 liters of fuel will be transferred from the additional tank to the main tank. Return the maximum distance which can be traveled. Note: Injection from the additional tank is not continuous. It happens suddenly and immediately for every 5 liters consumed.

EasyProblem #2739
LeetCode

Total Distance Traveled

Related Topics

MathSimulation

How PhantomCodeAI Helps

Get real-time assistance for Total Distance Traveled problems during coding interviews. PhantomCodeAI provides instant solutions and explanations.

Examples

# Example 1

Input
mainTank = 5, additionalTank = 10
Output
60

# Example 2

Input
mainTank = 1, additionalTank = 2
Output
10

Constraints

1 <= mainTank, additionalTank <= 100

How PhantomCodeAI Helps with LeetCode Problems

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Solve Total Distance Traveled — A truck has two fuel tanks. You are given two integers, mainTank representing th...

Here's the optimal approach using Math:

def solve(input):
# Optimal O(n) solution
return result

Time: O(n)  |  Space: O(n)

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Undetectability Checklist

Run compatibility test before interviews
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Platform Compatibility

Zoom
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HackerRank
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User results and traction

Thousands of developers use PhantomCodeAI. Social proof signals that this approach helps real candidates land offers across a range of companies.

Undetectability and technical details

Our native desktop architecture avoids common detection vectors used by browser extensions. We provide a clear checklist so you can run basic checks and confirm the app will be invisible.

Platform compatibility and limitations

We work with Zoom, HackerRank, CodeSignal, CoderPad and other web-based platforms. Check the compatibility note and request a browser link if a specific desktop app is unsupported.

Frequently Asked Questions

Common questions about solving Total Distance Traveled and using PhantomCodeAI during coding interviews.

How does PhantomCodeAI help with LeetCode problems during a coding interview?
PhantomCodeAI reads the problem from a screenshot or listens to it via audio, then generates a complete solution with a step-by-step approach and time/space complexity, so you can focus on explaining your reasoning rather than getting stuck on implementation.
Which programming languages does PhantomCodeAI support?
11 languages including Python, Java, C++, JavaScript, TypeScript, Go, Rust, Ruby, Swift, Kotlin, and C#. Set a preferred language to get idiomatic solutions.
Does PhantomCodeAI work with HackerRank, CodeSignal, and CoderPad?
Yes — it works alongside LeetCode, HackerRank, CodeSignal, CoderPad, and HackerEarth, plus any browser-based coding environment.
Can PhantomCodeAI handle follow-up questions and modifications?
Yes. Capture the modified problem by screenshot or audio and get an updated solution within seconds, including new edge cases and optimizations.
Is PhantomCodeAI detectable during live interviews?
PhantomCodeAI runs as a native desktop overlay that does not appear in screen shares, recordings, or proctoring software, and works with Zoom, Google Meet, Microsoft Teams, and major coding platforms.
Should I still practice these problems on my own first?
Yes. The most durable preparation is solving problems unaided first, then using AI afterward to review your approach, complexity, and missed edge cases — use it to debrief and learn, not to skip the reps.

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