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How many fundamental solutions are the for 3 queens on a 3*3 board?

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in Data Structures & Algorithms II by (89.2k points)
How many fundamental solutions are the for 3 queens on a 3*3 board?

(a) 1

(b) 12

(c) 3

(d) 0

The question was posed to me in an interview for internship.

The above asked question is from Backtracking in section Backtracking of Data Structures & Algorithms II

1 Answer

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The correct answer is (d) 0

To explain: There are in total zero solution to the 3 queen puzzle for 3*3 chess board. Hence there are no fundamental solutions. For 8*8 chess board with 8 queens there are total of 12 fundamental solutions for the puzzle.

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