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How to Solve Smallest Value of the Rearranged Number Problem
Master the Smallest Value of the Rearranged Number 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 WindowsMedium#2165
LeetCode ProblemSmallest Value of the Rearranged Number
You are given an integer num. Rearrange the digits of num such that its value is minimized and it does not contain any leading zeros. Return the rearranged number with minimal value. Note that the sign of the number does not change after rearranging the digits.
MathSorting
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Problem Breakdown
Understanding the Smallest Value of the Rearranged Number Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
You are given an integer num. Rearrange the digits of num such that its value is minimized and it does not contain any leading zeros. Return the rearranged number with minimal value. Note that the sign of the number does not change after rearranging the digits.
MediumProblem #2165
LeetCodeSmallest Value of the Rearranged Number
Related Topics
MathSorting
How Phantom Code Helps
Get real-time assistance for Smallest Value of the Rearranged Number problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
num = 310
Output
103
# Example 2
Input
num = -7605
Output
-7650
Constraints
-1015 <= num <= 1015
How Phantom Code Helps with LeetCode Problems
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Solve Smallest Value of the Rearranged Number — You are given an integer num. Rearrange the digits of num such that its value is...
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 and technical details
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Frequently Asked Questions
Common questions about solving Smallest Value of the Rearranged Number and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Smallest Value of the Rearranged Number 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 Smallest Value of the Rearranged Number?
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 Smallest Value of the Rearranged Number?
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 Smallest Value of the Rearranged Number 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 Smallest Value of the Rearranged Number 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 Smallest Value of the Rearranged Number 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 Smallest Value of the Rearranged Number 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 Smallest Value of the Rearranged Number 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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