Practice The K Weakest Rows in a Matrix
Master the The K Weakest Rows in a Matrix LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
PhantomCodeAI generates complete solutions and debugging hints that you can use while explaining your approach, so you stay calm and in control.
The K Weakest Rows in a Matrix
In mat, 1 represents a soldier and 0 a civilian; all soldiers precede civilians within each row. Rank rows by increasing number of soldiers, breaking ties by increasing zero-based row index. Return the indices of the first k rows in this order.
PhantomCodeAI will help you solve this problem in real-time during your interview
Understanding the The K Weakest Rows in a Matrix Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
In mat, 1 represents a soldier and 0 a civilian; all soldiers precede civilians within each row. Rank rows by increasing number of soldiers, breaking ties by increasing zero-based row index. Return the indices of the first k rows in this order.
Source: The K Weakest Rows in a Matrix on LeetCode. Use the original task for its coding environment and submissions.
The K Weakest Rows in a Matrix
Related Topics
How PhantomCodeAI Helps
Get real-time assistance for The K Weakest Rows in a Matrix problems during coding interviews. PhantomCodeAI provides instant solutions and explanations.
Examples
# Example 1
mat = [[1,1,0,0,0], [1,1,1,1,0], [1,0,0,0,0], [1,1,0,0,0], [1,1,1,1,1]], k = 3
[2,0,3]
# Example 2
mat = [[1,0,0,0], [1,1,1,1], [1,0,0,0], [1,0,0,0]], k = 2
[0,2]
Constraints
How PhantomCodeAI Helps with LeetCode Problems
Reinforce undetectability, platform compatibility, and real-time assistance to remove any doubt.
PhantomCodeAI Interface Illustration
Example conversation in the desktop app. The controls below are illustrative.
Help me review my approach and explain its trade-offs.
Start with your inputs and expected result. Compare your approach against the examples, then discuss edge cases and its time and space costs.
Undetectability Checklist
Platform Compatibility
User results and traction
Thousands of developers use PhantomCodeAI. Social proof signals that this approach helps real candidates land offers across a range of companies.
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 The K Weakest Rows in a Matrix and using PhantomCodeAI during coding interviews.
How does PhantomCodeAI help with LeetCode problems during a coding interview?
Which programming languages does PhantomCodeAI support?
Does PhantomCodeAI work with HackerRank, CodeSignal, and CoderPad?
Can PhantomCodeAI handle follow-up questions and modifications?
Is PhantomCodeAI detectable during live interviews?
Should I still practice these problems on my own first?
Related LeetCode Problems
Practice more problems similar to The K Weakest Rows in a Matrix.
20+ Stealth Features. Zero Detection Cases.
The only AI interview tool with an undetectable desktop overlay, real-time audio listening, and personalized AI responses.