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Solution: The K Weakest Rows in a Matrix

Discover how to efficiently find the k weakest rows in a binary matrix by combining binary search with a max-heap. This lesson helps you understand counting soldiers in rows, managing ties, and optimizing selection using advanced data structures within time and space constraints.

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  ...