Creates a command-line diamond

Diamond.c

/* Creates a diamond */

/* Needed for standard IO features */
#include <stdio.h>

int main()
{
	/* The number of lines we want the diamond to be */
	int lines, x, y;
	int stars = 1;

	/* Figure out what we want for a number */
	printf("How many lines do you wish the diamond to be?: ");
	scanf("%d", &lines);

	printf("Creating a diamond with %d lines.\r\n", lines);

	/* Build the top half of the diamond */
	for(x = lines/2; x > 0; --x)
	{
		/* Print spaces */
		for(y = 0; y <= x; ++y)
			printf(" ");

		/* Print stars */
		for(y = 1; y <= stars; ++y)
			printf("*");

		/* New line */
		printf("\r\n");

		/* Increase stars */
		stars += 2;
	}

	/* Build the bottom half of the diamond */
	for(x = 0; x <= lines/2; ++x)
	{
		for(y = 0; y <= x; ++y)
			printf(" ");

		for(y = 1; y <= stars; ++y)
			printf("*");

		printf("\r\n");

		stars -= 2;
	}

	return 0;
}