Consider a state of the 8-queens problem with the state representation (2, 2, 2, 2, 2, 2, 2, 2) (i.e., the positions are represented as a 8-tuple where the i-th element is the row number of the queen in column i). Let the successors/neighbors of a state be those states generated by moving only one queen in its column. Which of the following states represents a neighbor/successor of this specific state? (There could be multiple correct answers; pick all.) Group of answer choices (3, 2, 2, 2, 2, 2, 2, 2) (2, 2, 2, 2, 2, 2, 2, 2) (3, 3, 3, 3, 3, 3, 3, 3) (2, 2, 2, 2, 2, 2, 2, 3)

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Minimum Spanning Tree

A spanning tree is a sub-graph of a connected, undirected graph. It has all the vertices of a graph with the minimum possible number of edges. If a vertex is skipped, then it will not be a spanning tree. The edges of a spanning tree may or may not have weights.