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Grokking the Coding Interview Patterns in C++

The K Weakest Rows in a Matrix

Explore how to determine the k weakest rows in a binary matrix where soldiers precede civilians using modified binary search. Learn to compare rows based on soldier count and return their indexes from weakest to strongest, enhancing your ability to solve matrix-related interview problems.

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Statement

You are given an m×nm \times n binary matrix of 11’s (representing soldiers) and 00’s (representing civilians). The soldiers are positioned in front of the civilians, i.e., all the 11’s will appear to the left of ...