1.
*
***
*****
*******
*********
#include
<stdio.h>
int main()
{
int row, c, n, temp;
printf("Enter the number of rows in
pyramid of stars you wish to see ");
scanf("%d",&n);
temp = n;
for ( row = 1 ; row <= n ; row++ )
{
for ( c = 1 ; c < temp ; c++ )
printf(" ");
temp--;
for ( c = 1 ; c <= 2*row - 1 ; c++ )
printf("*");
printf("\n");
}
return 0;
}
2.
*
**
***
****
*****
#include
<stdio.h>
int main()
{
int n, c, k;
printf("Enter number of rows\n");
scanf("%d",&n);
for ( c = 1 ; c <= n ; c++ )
{
for( k = 1 ; k <= c ; k++ )
printf("*");
printf("\n");
}
return 0;
}
3.
*
*A*
*A*A*
*A*A*A*
#include<stdio.h>
main()
{
int n, c, k, space, count = 1;
printf("Enter number of rows\n");
scanf("%d",&n);
space = n;
for ( c = 1 ; c <= n ; c++)
{
for( k = 1 ; k < space ; k++)
printf(" ");
for ( k = 1 ; k <= c ; k++)
{
printf("*");
if ( c > 1 && count <
c)
{
printf("A");
count++;
}
}
printf("\n");
space--;
count = 1;
}
return 0;
}
4.
1
232
34543
4567654
567898765
#include<stdio.h>
main()
{
int n, c, d, num = 1, space;
scanf("%d",&n);
space = n - 1;
for ( d = 1 ; d <= n ; d++ )
{
num = d;
for ( c = 1 ; c <= space ; c++ )
printf(" ");
space--;
for ( c = 1 ; c <= d ; c++ )
{
printf("%d", num);
num++;
}
num--;
num--;
for ( c = 1 ; c < d ; c++)
{
printf("%d", num);
num--;
}
printf("\n");
}
return 0;
}