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docs/backtracking algorithms/Tiling-problem.md

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-id:  tiling-problem-domino-tiling
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-## Definition 📖
 
 The **Tiling Problem** involves determining the number of ways to tile a given grid using dominoes (or similar tiles) of a fixed size. Specifically, in the **Domino Tiling** problem, the goal is to tile a `2 x n` grid using `1 x 2` dominoes. The dominoes can be placed either horizontally or vertically.