Leetcode Problem 850. Rectangle Area II
Leetcode Solutions
Approach #: Coordinate Compression
- Extract all unique x and y coordinates from the rectangles and sort them.
- Create a mapping from the original coordinates to the compressed coordinates.
- Initialize a grid based on the compressed coordinates.
- Iterate over each rectangle and mark the corresponding cells in the grid as covered.
- Iterate over the grid to calculate the total area, taking into account the actual dimensions represented by the compressed coordinates.
- Return the total area modulo 10^9 + 7.
Approach #: Line Sweep
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