Manuals/calci/NQUEENS
NQUEENS (GridSize)
- is any positive integer.
is any positive integer.Description
- This functions creates the N-queens puzzle.
- In , is the size of the row and columns.
- Generally eight queens puzzle is the problem of placing eight chess queens on an 8x8 chessboard so that no two queens attack each other.
- Thus, a solution requires that no two queens share the same row, column or diagonal.
- The eight queens puzzle is a great example of the more general N Queens problem of placing N non attacking queens on an nxn chessboard where solutions exist for all natural numbers n with the exception of n=2 and n=3.
- This function will return the result as "0" when the value of the Grid size is 2 or 3.
- Also this will return as Error when the parameter value is non positive integer.
, 
is the size of the row and columns.Examples
1. NQUEENS(4)
1| _|Q|_|_| |
| _|_|_|Q| |
| Q|_|_|_| |
| _|_|Q|_| |
| _|Q|_|_| |
| _|_|_|Q| |
| Q|_|_|_| |
| _|_|Q|_| |
2 Solutions
- 2. NQUEENS(6)
| _|Q|_|_|_|_| |
| _|_|_|Q|_|_| |
| _|_|_|_|_|Q| |
| Q|_|_|_|_|_| |
| _|_|Q|_|_|_| |
| _|_|_|_|Q|_| |
| _|_|Q|_|_|_| |
| _|_|_|_|_|Q| |
| _|Q|_|_|_|_| |
| _|_|_|_|Q|_| |
| Q|_|_|_|_|_| |
| _|_|_|Q|_|_| |
| _|_|_|Q|_|_| |
| Q|_|_|_|_|_| |
| _|_|_|_|Q|_| |
| _|Q|_|_|_|_| |
| _|_|_|_|_|Q| |
| _|_|Q|_|_|_| |
| _|_|_|_|Q|_| |
| _|_|Q|_|_|_| |
| Q|_|_|_|_|_| |
| _|_|_|_|_|Q| |
| _|_|_|Q|_|_| |
| _|Q|_|_|_|_| |
4 Solutions