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How to Solve Find the Shortest Superstring Problem
Master the Find the Shortest Superstring 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 WindowsHard#943
LeetCode ProblemFind the Shortest Superstring
Given an array of strings words, return the smallest string that contains each string in words as a substring. If there are multiple valid strings of the smallest length, return any of them. You may assume that no string in words is a substring of another string in words.
ArrayStringDynamic ProgrammingBit ManipulationBitmask
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Problem Breakdown
Understanding the Find the Shortest Superstring Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
Given an array of strings words, return the smallest string that contains each string in words as a substring. If there are multiple valid strings of the smallest length, return any of them. You may assume that no string in words is a substring of another string in words.
HardProblem #943
LeetCodeFind the Shortest Superstring
Related Topics
ArrayStringDynamic ProgrammingBit ManipulationBitmask
How Phantom Code Helps
Get real-time assistance for Find the Shortest Superstring problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
words = ["alex","loves","leetcode"]
Output
"alexlovesleetcode"
# Example 2
Input
words = ["catg","ctaagt","gcta","ttca","atgcatc"]
Output
"gctaagttcatgcatc"
Constraints
1 <= words.length <= 12
1 <= words[i].length <= 20
words[i] consists of lowercase English letters.
All the strings of words are unique.
How Phantom Code Helps with LeetCode Problems
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Solve Find the Shortest Superstring — Given an array of strings words, return the smallest string that contains each s...
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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HackerRank
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Undetectability and technical details
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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 Find the Shortest Superstring and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Find the Shortest Superstring 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 Find the Shortest Superstring?
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 Find the Shortest Superstring?
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 Find the Shortest Superstring 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 Find the Shortest Superstring 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 Find the Shortest Superstring 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 Find the Shortest Superstring 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 Find the Shortest Superstring 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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