SAS programming

Question: Queens puzzle. The eight queens puzzle is the problem of placing eight chess queens on an 8×8 chessboard so that no two queens threaten each other. Thus, a solution requires that no two queens share the same row, column, or diagonal. The eight queens puzzle is an example of the more general n queens problem of placing n nonattacking queens on an n×n chessboard. [login to view URL] Write a macro to find ONE solution of n queens problem: 1. Create a macro called queen with one parameter which is the size of the chessboard; a. Macro call by %queen(n); e.g. %queen(6); 2. Create a TEMPORARY dataset called QUEENn (figure 3 & 4) to store the result of chess placed; a. Create n variables to store the puzzle; b. Place the chess randomly;