C Program to print Rhombus in a star pattern

Program

#include <stdio.h>
void main()
{
    int i, j, k, n;
    printf("Enter the number of rows to print the rhombus\n");
    scanf("%d", &n);
	for(i = 1; i <= n; i++)
	{
		for(j = i; j < n; j++)
		{
			printf(" ");
		}
		for(k = 1; k < (i*2); k++)
		{
			printf("*");
		}
		printf("\n");
	}
	for(i = n - 1 ;i >= 1; i--)
	{
		for(j = n; j > i; j--)
		{
			printf(" ");
		}
		for(k = 1; k < (i*2); k++)
		{
			printf("*");
		}
		printf("\n");
	}
}

Output

Enter the number of rows to print the rhombus
4
   *
  ***
 *****
*******
 *****
  ***
   *