Awesome PAttern

gistfile1.c

//A pattern by MADAN LAL            The FASTian

#include<stdio.h>
#include<conio.h>
#include<windows.h>
int main()
{
	int pk,x;
	for(x=0;x<255;x++){
	printf("%d:%c\n",x,x);}
	printf("Select any symbol:");
	scanf("%d",&pk);
	int a=1,i,j,k;
	system("cls");
	system("color 0F");
	
	//Printing two upper right-angled triangles
	for(i=0;i<11;i++)
	{
		for(j=0;j<=i;j++)
		{
			printf(" %c",pk);
			a=0;
		}
		for(k=40;k>i*4;k--){
			printf(" ");
		}
		for(j=0;j<=i;j++)
		{
			printf(" %c",pk);
			a=0;
		}
		a=1;
		printf("\n");
		
	}
	
	//Printing two lower right-angled triangles
	for(i=0;i<10;i++)
	{
		for(j=9;j>=i;j--)
		{
			printf(" %c",pk);
			a=0;
		}
			for(k=-3;k<=i*4;k++){
			printf(" ");
		}
		for(j=9;j>=i;j--)
		{
			printf(" %c",pk);
			a=0;}
		a=1;
		printf("\n");
	}
	
	printf("\n\n\n\n\t\t\t\t\t\t\t\tBy:Madan Lal");
	getch();
}

wondering why you have included windows.h ??
is system(...) is from windows.h ??