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How to Solve Minimum White Tiles After Covering With Carpets Problem
Master the Minimum White Tiles After Covering With Carpets LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
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LeetCode ProblemMinimum White Tiles After Covering With Carpets
You are given a 0-indexed binary string floor, which represents the colors of tiles on a floor: You are also given numCarpets and carpetLen. You have numCarpets black carpets, each of length carpetLen tiles. Cover the tiles with the given carpets such that the number of white tiles still visible is minimum. Carpets may overlap one another. Return the minimum number of white tiles still visible.
StringDynamic ProgrammingPrefix Sum
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Problem Breakdown
Understanding the Minimum White Tiles After Covering With Carpets 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 binary string floor, which represents the colors of tiles on a floor: You are also given numCarpets and carpetLen. You have numCarpets black carpets, each of length carpetLen tiles. Cover the tiles with the given carpets such that the number of white tiles still visible is minimum. Carpets may overlap one another. Return the minimum number of white tiles still visible.
HardProblem #2209
LeetCodeMinimum White Tiles After Covering With Carpets
Related Topics
StringDynamic ProgrammingPrefix Sum
How Phantom Code Helps
Get real-time assistance for Minimum White Tiles After Covering With Carpets problems during coding interviews. Phantom Code provides instant solutions and explanations.
Examples
# Example 1
Input
floor = "10110101", numCarpets = 2, carpetLen = 2
Output
2
# Example 2
Input
floor = "11111", numCarpets = 2, carpetLen = 3
Output
0
Constraints
1 <= carpetLen <= floor.length <= 1000
floor[i] is either '0' or '1'.
1 <= numCarpets <= 1000
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Solve Minimum White Tiles After Covering With Carpets — You are given a 0-indexed binary string floor, which represents the colors of ti...
Here's the optimal approach using String:
def solve(input):
# Optimal O(n) solution
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Time: O(n) | Space: O(n)
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Frequently Asked Questions
Common questions about solving Minimum White Tiles After Covering With Carpets and using Phantom Code during coding interviews.
How does Phantom Code help me solve coding problems like Minimum White Tiles After Covering With Carpets 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 Minimum White Tiles After Covering With Carpets?
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 Minimum White Tiles After Covering With Carpets?
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 Minimum White Tiles After Covering With Carpets 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 Minimum White Tiles After Covering With Carpets 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 Minimum White Tiles After Covering With Carpets 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 Minimum White Tiles After Covering With Carpets 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 Minimum White Tiles After Covering With Carpets 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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