Program to print Pyramid of stars:

#include<stdio.h>
void main()
{
int i,j;
j=1;
while(j<=6)
{
i=1;                 //*******
while(i<=7)              //*******
{                        //*******
printf("*");             //*******
i=i+1;
}
printf("\n");
j=j+1;
}
printf("\n Different Pyramid\n");
j=1;
while(j<=6)
{
i=1;
while(i<=j)
{
printf("*");
i=i+1;
}
printf("\n");
j=j+1;
}
printf("\n Different Pyramid\n");
j=6;
while(j>=1)
{
i=1;
while(i<=j)
{
printf("*");
i=i+1;
}
printf("\n");
j=j-1;
}
}


Output: