Find unique solutions of N-queens puzzle recursive algorithm

Find unique solutions of N-queens puzzle recursive algorithm

References

Reference NO 1

http://stackoverflow.com/questions/15186137/find-unique-solutions-of-n-queens-puzzle-recursive-algorithm

Reference NO 2

http://stackoverflow.com/questions/tagged/n-queens?sort=votes

Reference NO 3

http://en.wikipedia.org/wiki/Eight_queens_puzzle

Reference NO 4

http://www.daniweb.com/software-development/cpp/threads/266759/an-8-queens-problem...problem

Reference NO 5

http://mc2.umbc.edu/docs/srini-dasgupta.pdf

Reference NO 6

http://www-isl.ece.arizona.edu/ece175/assignments275/assignment4a/8queens.pdf

Reference NO 7

http://www.brainmetrix.com/8-queens/

Reference NO 8

http://www.delphiforfun.org/Programs/EightQueensPlus.htm