Tiling a Rectangle with the Fewest Squares: coding question

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Given an n×m rectangle (1 ≤ n,m ≤ 13), find the minimum number of integer-sided squares needed to exactly tile it. The core challenge is a combinatorial packing/covering optimization — typically solved with exhaustive search plus pruning or DP/memoization to handle the exponential search space.

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Leetcode 1240. Tiling a Rectangle with the Fewest Squares
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Tiling a Rectangle with the Fewest Squares

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Tiling a Rectangle with the Fewest Squares

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