english-06 N Queens
描述
Determine the columns of N queens should be place on. Columns should be greater than 1 and less than N. Columns should be all different. Each column plus its index should be different from others. Each column minus its index should also be different from others.
输入
One positive integer number N (N <= 200).
输出
An N*N 0/1 matrix A = {a[i][j]}, a[i][j]=1 indicates that there is a queue on cell (i,j), and a[i][j]=0 otherwise.
样例输入
样例输出
1
2
3
40 1 0 0
0 0 0 1
1 0 0 0
0 0 1 0
限制