Abstract
N-Queen problem is a classic puzzle in which ‘N’ number of queens and a chessboard of size N X N is given. The puzzle is to lay all the given queens on the chessboard in a way that all queens are safe (i.e., no queen on the chessboard is intersecting the other queen). In this article we have proposed an algorithm to solve the N-Queen puzzle in O(N) time-complexity, without affecting the space-complexity.
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