1128. Number of Equivalent Domino Pairs #leetcode #leetcodequestionandanswers #amazoninterview

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1128. Number of Equivalent Domino Pairs #leetcode #leetcodequestionandanswers #amazoninterview #2darray #leetcode #coding #codingsolutions #amazoninterviewpreparation #googleinterview #microsoft
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Time complexity is O(n^2).

It can be solved in linear time O(n) using some extra space.

nirishsamant
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