It contains each and every style of pyramid.

1. 1
WrittenbyHazrat Bilal
Studentat Abdul Wali KhanUniversity
Contact No:+923209600215
1) Write a code for the followingoutput.
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
Code:
#include <stdio.h>
intmain()
{
inti,j,k=4,c;
for(i=1;i<=5;i++)
{
for(c=1;c<=k;c++)
printf("");
for(j=1;j<=i;j++)
printf("%d",i);
printf("n");
k--;
}
}
Output:

2. 2
WrittenbyHazrat Bilal
Studentat Abdul Wali KhanUniversity
Contact No:+923209600215
2) Write a code for the followingoutput.
1
1 2
1 2 3
1 2 3 4
1 2 3 4 5
Code:
#include <stdio.h>
intmain()
{
inti,j,k=4,c;
for(i=1;i<=5;i++)
{
for(c=1;c<=k;c++)
printf("");
for(j=1;j<=i;j++)
printf("%d",j);
printf("n");
k--;
}
}
Output:
3) Write a code for the followingOutput:
1
2 3
4 5 6
7 8 9 10
Code: #include <stdio.h>
intmain()
{
int a,b,n=6;
for(a=1; a<=10; a++)
{
if(a==1|| a==2 ||a==4 || a==7)
{

3. 3
WrittenbyHazrat Bilal
Studentat Abdul Wali KhanUniversity
Contact No:+923209600215
printf("n");
for(b=1;b<=n; b++)
printf("");
n=n-2;
}
printf("%4d",a);
}
}
Output:
4) Write a code for the followingoutput.
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
Code:
#include<stdio.h>
#include<conio.h>
voidmain()
{
intlines,n=1,spaces,tabs=8, x,y=1;
for(lines=1;lines<=5;lines++)
{
for(spaces=1;spaces<=tabs;spaces++)
printf("");
printf("%4d",n);
if(lines>=3)
{
for(x=1;x<=y;x++)
{
if(x==2&&y==3)
printf("%4d",lines+1);
else
printf("%4d",lines-1);
}
y++;

4. 4
WrittenbyHazrat Bilal
Studentat Abdul Wali KhanUniversity
Contact No:+923209600215
}
if(lines>=2)
printf("%4d",n);
tabs=tabs-2;
printf("n");
}
getch();
}
Output:
5) Write a code for the followingoutput:
1
2 3 2
3 4 5 4 3
4 5 6 7 6 5 4
5 6 7 8 9 8 7 6 5
Code:
#include <stdio.h>
main()
{
inta,b,n=8;
for(a=1;a<=5;a++)
{
for(b=1;b<=n;b++)
{
printf("");
}
n=n-2;
if(a==1)
printf("%d",a);
if(a==2)
printf("%d%d%d",a,a+1,a);
if(a==3)
printf("%d%d%d%d%d",a,a+1,a+2,a+1,a);
if(a==4)
printf("%d%d%d%d%d%d%d",a,a+1,a+2,a+3,a+2,a+1,a);

5. 5
WrittenbyHazrat Bilal
Studentat Abdul Wali KhanUniversity
Contact No:+923209600215
if(a==5)
printf("%d%d%d%d%d%d %d %d%d",a,a+1,a+2,a+3,a+4,a+3,a+2,a+1,a);
printf("n");
}
}
Output:
6) Write a code for the followingOutput:
A
ABC
ABCDE
ABCDEFG
ABCDEFGHI
Code:
#include <stdio.h>
intmain()
{
inta=65,b,c,d=4;
while(a<=73)
{
for(b=1;b<=d;b++)
printf("");
for(c=65;c<=a;c++)
{
printf("%c",c);
}
d=d-1;
printf("n");
a=a+2;
}
}

6. 6
WrittenbyHazrat Bilal
Studentat Abdul Wali KhanUniversity
Contact No:+923209600215
Output:
7)Write a code for the followingOutput:
*
* *
* * *
* * * *
* * * * *
Code:
#include <stdio.h>
intmain()
{
intnor,row,sp,st;
printf("Enterthe numberof rows:");
scanf("%d",&nor);
for(row=1;row<=nor;row++)
{
for(sp=nor-row;sp>=1;sp--)
printf("");
for(st=1;st<=row;st++)
printf("*");
printf("n");
}
}
Output:

7. 7
WrittenbyHazrat Bilal
Studentat Abdul Wali KhanUniversity
Contact No:+923209600215
7) Write a code for the followingoutput:
Code:
#include <stdio.h>
intmain()
{
inta,b,c,d;
for(a=1;a<=5;a++)
{
for(b=1;b<=a;b++)
printf("%d",b);
printf("n");
}
for(c=4;c>=1;c--)
{
for(d=1;d<=c;d++)
printf("%d",d);
printf("n");
}
}
Output: