write a c program to generate following output 1 1 1 1 3 1 1 4 4 1 1 3 5 3 1 1 4 6 6 4 1

/*write a c program to generate following output
      1
     1 1
    1 3 1
   1 4 4 1
  1 3 5 3 1
 1 4 6 6 4 1 */

#include<stdio.h>
#include<conio.h>

void main()

{
	int n,i,j,k=1;
	clrscr();

	printf("n:");
	scanf("%d",&n);

	for(i=1;i<=n;i++)
	{
		for(j=n;j>=i;j--)
		{  printf(" ");  }

			for(j=1;j<=i;j++)
			{
				if(i%2==0)
				{
					if(j==1||j==i)
						{
							printf("1 ");
						}
						else if(j<i/2)
						{
							printf("%d ",k);
							k=k+2;
						}
						else if(j>i/2)
						{
							printf("%d ",k);
							k=k-2;
						}
					else
						{
							printf("%d ",k);
						}
				}
				else
				{
					if(j==1||j==i)
					{
						printf("1 ");
					}
					else if(j<=i/2)
					{
						printf("%d ",k);
						k=k+2;
					}
					else if(j>=i/2)
					{
						printf("%d ",k);
						k=k-2;
					}
					else
					{
						printf("%d ",k);
					}
				}
			}
	printf("\n");
		if(i%2==0)
			k=3;
		else
			k=4;
	}
	getch();
}