void drawtriangle(void)
{
	int alt, base;
	int iii, ii, i; //counters
	int n, nn; //number of boxes (down)
	int w, l; //width and length of inner triangle
	int box0; //if there is an empty box at the bottom, how long it is
	char letter;
	printf("What is the altitude of the triangle?  ");
	scanf("%d", &alt);
	printf("What is the base of the triangle?  ");
	scanf("%d", &base);
	printf("What symbol should fill the triangle?  ");
	scanf(" %c", &letter);
	if((base==2)||(alt==2))
	{
		drawline(letter, base, 1);
		alt--;
		for (i=1;i<=alt;i++)
			printf("%c\n", letter);
	}
	else if(base<alt)
	{
		w=base-2;
		l=alt-2;
		n=l/w;
		nn=n;
		box0=l%w;
		drawline(letter, base, 1);
		for(iii=1;iii<=nn;iii++)
		{
			for(ii=1;ii<=n;ii++)
			{
				printf("%c", letter);
				for(i=1;i<=w;i++)
					printf("%c", letter);
				printf("\n");
			}
			w--;
		}
		if(box0!=0)
		{
			for(i=1;i<=box0;i++)
				printf("%c\n", letter);
		}
		drawline(letter, 1, 1);
	}
	else if(alt<base)
	{
		w=alt-2;
		l=base-2;
		n=l/w;
		nn=n;
		box0=l%w;
		drawline(letter, base, 1);
		l-=box0;
		for(ii=1;ii<=nn;ii++)
		{
			printf("%c", letter);
			for(i=n;i<=l;i+=n)
				drawline(letter, n, 0);
			printf("\n");
			l-=n;
		}
		drawline(letter, 1, 1);
	}
	else
	{
		n=base;
		drawline(letter, base, 1);
		for(i=base;i!=0;i--)
		{
			n--;
			drawline(letter, n, 1);
		}
	}
}