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How to Solve Longest Subarray of 1's After Deleting One Element Problem
Master the Longest Subarray of 1's After Deleting One Element 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#1493
LeetCode ProblemLongest Subarray of 1's After Deleting One Element
Given a binary array nums, you should delete one element from it. Return the size of the longest non-empty subarray containing only 1's in the resulting array. Return 0 if there is no such subarray.
ArrayDynamic ProgrammingSliding Window
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Problem Breakdown
Understanding the Longest Subarray of 1's After Deleting One Element Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
Given a binary array nums, you should delete one element from it. Return the size of the longest non-empty subarray containing only 1's in the resulting array. Return 0 if there is no such subarray.
MediumProblem #1493
LeetCodeLongest Subarray of 1's After Deleting One Element
Related Topics
ArrayDynamic ProgrammingSliding Window
How Phantom Code Helps
Get real-time assistance for Longest Subarray of 1's After Deleting One Element problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
nums = [1,1,0,1]
Output
3
# Example 2
Input
nums = [0,1,1,1,0,1,1,0,1]
Output
5
# Example 3
Input
nums = [1,1,1]
Output
2
Constraints
1 <= nums.length <= 105
nums[i] is either 0 or 1.
How Phantom Code Helps with LeetCode Problems
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Solve Longest Subarray of 1's After Deleting One Element — Given a binary array nums, you should delete one element from it. Return the siz...
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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CodeSignal
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Undetectability and technical details
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Frequently Asked Questions
Common questions about solving Longest Subarray of 1's After Deleting One Element and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Longest Subarray of 1's After Deleting One Element 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 Longest Subarray of 1's After Deleting One Element?
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 Longest Subarray of 1's After Deleting One Element?
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 Longest Subarray of 1's After Deleting One Element 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 Longest Subarray of 1's After Deleting One Element 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 Longest Subarray of 1's After Deleting One Element 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 Longest Subarray of 1's After Deleting One Element 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 Longest Subarray of 1's After Deleting One Element 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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