In what manner is a state-space tree for a backtracking algorithm constructed?(a) Depth-first search(b) Breadth-first search(c) Twice around the tree(d) Nearest neighbour firstThis question was posed to me during an online interview.The question is from Backtracking in division Backtracking of Data Structures & Algorithms II

In what manner is a state-space tree for a backtracking algorithm cons

1.	In what manner is a state-space tree for a backtracking algorithm constructed?(a) Depth-first search(b) Breadth-first search(c) Twice around the tree(d) Nearest neighbour firstThis question was posed to me during an online interview.The question is from Backtracking in division Backtracking of Data Structures & Algorithms II
Answer» The CORRECT CHOICE is (a) Depth-first search The explanation is: A state-space TREE for a backtracking algorithm is CONSTRUCTED in the manner of depth-first search so that it is easy to look into.

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