Leetcode Problem 85. Maximal Rectangle

85. Maximal Rectangle

Leetcode Solutions

Dynamic Programming - Maximum Height at Each Point

  1. Initialize height, left, right, and max_area arrays with appropriate starting values.
  2. Iterate through each row of the matrix. a. Update height array based on the continuity of '1's from the top. b. Update left array based on the previous left value and the current left boundary. c. Update right array in a right-to-left manner based on the previous right value and the current right boundary. d. Calculate the area for each point using height, left, and right arrays and update max_area if a larger area is found.
  3. Return max_area as the largest rectangle area.
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