2711. Difference of Number of Distinct Values on Diagonals

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Given a 2D grid of size m x n, you should find the matrix answer of size m x n. The cell answer[r][c] is calculated by looking at the diagonal values of the cell grid[r][c]: - Let leftAbove[r][c] be the number of distinct values on the diagonal to the left and above the cell grid[r][c] not including the cell grid[r][c] itself. - Let rightBelow[r][c] be the number of distinct values on the diago

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solution.cppC++17

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