Валерия Симулик - Set Fire To The Rain - Adele - Х-Фактор 5 - Кастинг в Харькове - 23.08.2014

https://www.facebook.com/tusharroy25 https://github.com/mission-peace/interview/blob/master/src/com/interview/recursion/NQueenProblem.java https://github.com/mission-peace/interview/wiki Given nxn board and n queens. Place these queens on this board so that they do not attack each other.