1. /* Write a C program to construct a pyramid of numbers. */
#include<stdio.h>
#include<conio.h>
void main()
{
int num,i,y,x=35;
clrscr();
printf("nEnter the number to generate the pyramid:n");
scanf("%d",&num);
for(y=0;y<=num;y++)
{
/*(x-coordinate,y-coordinate)*/
gotoxy(x,y+1);
/*for displaying digits towards the left and right of zero*/
for(i=0-y;i<=y;i++)
printf("%3d",abs(i));
x=x-3;
}
getch();

2. }
/* Write a C program to generate Pascal's triangle. */
#include<stdio.h>
#include<conio.h>
void main()
{
int bin,p,q,r,x;
clrscr();
bin=1;
q=0;
printf("Rows you want to input:");
scanf("%d",&r);
printf("nPascal's Triangle:n");
while(q<r)
{
for(p=40-3*q;p>0;--p)
printf(" ");
for(x=0;x<=q;++x)
{

3. if((x==0)||(q==0))
bin=1;
else
bin=(bin*(q-x+1))/x;
printf("%6d",bin);
}
printf("n");
++q;
}
getch();
}