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HomeLeetCode ProblemsMake Lexicographically Smallest Array by Swapping Elements
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How to Solve Make Lexicographically Smallest Array by Swapping Elements Problem

Master the Make Lexicographically Smallest Array by Swapping Elements LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.

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Medium#2948
LeetCode Problem

Make Lexicographically Smallest Array by Swapping Elements

You are given a 0-indexed array of positive integers nums and a positive integer limit. In one operation, you can choose any two indices i and j and swap nums[i] and nums[j] if |nums[i] - nums[j]| <= limit. Return the lexicographically smallest array that can be obtained by performing the operation any number of times. An array a is lexicographically smaller than an array b if in the first position where a and b differ, array a has an element that is less than the corresponding element in b. For example, the array [2,10,3] is lexicographically smaller than the array [10,2,3] because they differ at index 0 and 2 < 10.

ArrayUnion FindSorting

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Problem Breakdown

Understanding the Make Lexicographically Smallest Array by Swapping Elements Problem

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

Problem Statement

You are given a 0-indexed array of positive integers nums and a positive integer limit. In one operation, you can choose any two indices i and j and swap nums[i] and nums[j] if |nums[i] - nums[j]| <= limit. Return the lexicographically smallest array that can be obtained by performing the operation any number of times. An array a is lexicographically smaller than an array b if in the first position where a and b differ, array a has an element that is less than the corresponding element in b. For example, the array [2,10,3] is lexicographically smaller than the array [10,2,3] because they differ at index 0 and 2 < 10.

MediumProblem #2948
LeetCode

Make Lexicographically Smallest Array by Swapping Elements

Related Topics

ArrayUnion FindSorting

How Phantom Code Helps

Get real-time assistance for Make Lexicographically Smallest Array by Swapping Elements problems during coding interviews. Phantom Code provides instant solutions and explanations.

Examples

# Example 1

Input
nums = [1,5,3,9,8], limit = 2
Output
[1,3,5,8,9]

# Example 2

Input
nums = [1,7,6,18,2,1], limit = 3
Output
[1,6,7,18,1,2]

# Example 3

Input
nums = [1,7,28,19,10], limit = 3
Output
[1,7,28,19,10]

Constraints

1 <= nums.length <= 105
1 <= nums[i] <= 109
1 <= limit <= 109

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Solve Make Lexicographically Smallest Array by Swapping Elements — You are given a 0-indexed array of positive integers nums and a positive integer...

Here's the optimal approach using Array:

def solve(input):
# Optimal O(n) solution
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Time: O(n)  |  Space: O(n)

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Undetectability Checklist

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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 Make Lexicographically Smallest Array by Swapping Elements and using Phantom Code during coding interviews.

How does Phantom Code help me solve coding problems like Make Lexicographically Smallest Array by Swapping Elements 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 Make Lexicographically Smallest Array by Swapping Elements?
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 Make Lexicographically Smallest Array by Swapping Elements?
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 Make Lexicographically Smallest Array by Swapping Elements 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 Make Lexicographically Smallest Array by Swapping Elements 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 Make Lexicographically Smallest Array by Swapping Elements 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 Make Lexicographically Smallest Array by Swapping Elements 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 Make Lexicographically Smallest Array by Swapping Elements 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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