Creates a command-line triangle

Triangle.c

/* Creates a triangle */

#include <stdio.h>

int main()
{
	/* vars */
	int lines, stars, x, y;

	printf("How many lines do you wish the triangle to be?: ");
	scanf("%d", &lines);

	/* Loops for every line, increasing stars by 2 each time */
	for(y = 1, stars = 1; y <= lines; ++y, stars += 2)
	{
		for(x = 0; x <= lines-y; ++x)
			printf(" ");

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

		printf("\r\n");
	}

	return 0;
}