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Solution: The K Weakest Rows in a Matrix

Explore how to efficiently determine the k weakest rows in a binary matrix where soldiers precede civilians. This lesson helps you implement a binary search to count soldiers per row and use a max-heap to track and extract the weakest rows based on soldier count and row index.

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  ...