Subject

    Computer Science

    Topic

    Artificial Intelligence

    In a constraint satisfaction problem, the "minimum remaining values" (MRV) heuristic chooses the variable ____.

    a)
    with the most legal values left
    b)
    that appears first alphabetically
    c)
    that has already been assigned
    d)
    with the fewest legal values left

    Explanation

    Choosing the most constrained variable first detects failure early ("fail-first").

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