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FIFO expands the first generated node (using a queue), LIFO expands the last generated node (using a stack), while Least Cost expands the node with the minimum cost (using a priority queue or similar structure based on cost).

Conditions: Used for comparing different node exploration strategies in search trees.; Applies to branch-and-bound search methods.

FIFO expands the first generated node (using a queue), LIFO expands the last generated node (using a stack), while Least Cost expands the node with the minimum cost (using a priority queue or similar structure based on cost).

Conditions: Used for comparing different node exploration strategies in search trees.; Applies to branch-and-bound search methods.