Number of Equivalent Domino Pairs Problem

Number of Equivalent Domino Pairs Problem — ExecCode Easy DSA Practice

Solve the Number of Equivalent Domino Pairs problem on ExecCode. Free online easy DSA practice in Arrays - Logic Building. Write and run code in Java, C++, Python — no signup required to run.

Description Given a list of dominoes, dominoes[i] = [a, b] is equivalent to dominoes[j] = [c, d] if and only if either (a == c and b == d), or (a == d and b == c) - that is, one domino can be rotated to be equal to another domino. Return the number of pairs (i, j) for which 0 <=…

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