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How to Solve Largest Rectangle in Histogram Problem
Master the Largest Rectangle in Histogram 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#84
LeetCode ProblemLargest Rectangle in Histogram
Given an array of integers heights representing the histogram's bar height where the width of each bar is 1, return the area of the largest rectangle in the histogram.
ArrayStackMonotonic Stack
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Problem Breakdown
Understanding the Largest Rectangle in Histogram Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
Given an array of integers heights representing the histogram's bar height where the width of each bar is 1, return the area of the largest rectangle in the histogram.
HardProblem #84
LeetCodeLargest Rectangle in Histogram
Related Topics
ArrayStackMonotonic Stack
How Phantom Code Helps
Get real-time assistance for Largest Rectangle in Histogram problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
heights = [2,1,5,6,2,3]
Output
10
# Example 2
Input
heights = [2,4]
Output
4
Constraints
1 <= heights.length <= 105
0 <= heights[i] <= 104
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Solve Largest Rectangle in Histogram — Given an array of integers heights representing the histogram's bar height where...
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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Frequently Asked Questions
Common questions about solving Largest Rectangle in Histogram and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Largest Rectangle in Histogram 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 Largest Rectangle in Histogram?
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 Largest Rectangle in Histogram?
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 Largest Rectangle in Histogram 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 Largest Rectangle in Histogram 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 Largest Rectangle in Histogram 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 Largest Rectangle in Histogram 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 Largest Rectangle in Histogram 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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