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Matrix Slice Game

Select top-left and bottom-right corners to extract submatrices!

Top-Left (TL)

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Bottom-Right (BR)

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Submatrix Sum

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Elements

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🟢 Click to select TOP-LEFT corner (TL)

📐 Submatrix Formulas

Rows in Submatrix

br_row - tl_row + 1

Columns in Submatrix

br_col - tl_col + 1

Element Count

rows × cols

Total Submatrices

m(m+1)/2 × n(n+1)/2