nqueens

#include<stdio.h>
#include<math.h>
int x[10],c=0;
void nqueens(int,int);
int place(int,int);
main()
{
int n,i;
printf("enter the no of qeens on the board");
scanf("%d",&n);
nqueens(1,n);
printf("%d",c);
}
void nqueens(int k,int n)
{
int i;
        for(i=1;i<=n;i++)
        {
                if(place(k,i))
                {
                x[k]=i;
                if(k==n)
                {
                        c++;
                for(i=1;i<=n;i++)
                printf("%d",x[i]);
                printf("\n");
                }
                else
                nqueens(k+1,n);
                }
        }
}
int place(int k,int i)
{
        int j;
        for(j=1;j<=k-1;j++)
                if((x[j]==i)||(abs(x[j]-i)==abs(j-k)))
                        return 0;
                return 1;
}