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This video solves LeetCode 2536, "Increment Submatrices by One," using the highly efficient 2D Difference Array (or 2D Differential Array) technique. 🚀 The naive approach is O(Q * n²) (too slow!), but by applying the difference array with just four corner updates per query, we reduce the total time complexity to O(n² + Q). This method is ...
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