Ushtrime MSc.
Olta Petritaj
1. Display a pattern of stars
Code:
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,n;
printf("enter value :" );
scanf("%d",&n);
for(i=1;i<=n;i++)
{
for(j=1;j<=i;j++)
printf(" ");
for(j=1;j<=n-i;j++)
printf("*");
printf("\n");
}
getch();
}
2. Display triangle of stars
Code:
/* Program display following Pattern */
/* *
**
***
**** */
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,row;
printf("Enter How many Rows : ");
scanf("%d",&row);
for(i=1;i<=row;i++)
{
for(j=1;j<=i;j++)
printf("*");
printf("\n");
}
getch();
}
Ushtrime MSc. Olta Petritaj
3. Display a right triangle of numbers
Code:
/* display following pattern
1
121
12321
*/
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,n;
printf("Enter no of line \n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
/* Control space */
for(j=1;j<=n-i;j++)
printf(" ");
/* Display regular number */
for(j=1;j<=i;j++)
printf("%d",j);
/* Display revewrse number */
for(j=i-1;j>=1;j--)
printf("%d",j);
printf("\n");
}
getch();
}
4. Display two opposite triangles using for loop
Code:
/* display following pattern
*
***
*****
***
*
*/
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,n;
Ushtrime MSc. Olta Petritaj
printf("Enter no of line \n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
for(j=1;j<=n-i;j++)
printf(" ");
for(j=1;j<=2*i-1;j++)
printf("*");
printf("\n");
}
for(i=n-2;i>=1;i--)
{
for(j=1;j<=n-i;j++)
printf(" ");
for(j=1;j<=2*i-1;j++)
printf("*");
printf("\n");
}
getch();
}
5. Produce a pyramid of *s using for loop
Code:
/* display following pattern
*
***
*****
*/
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,n;
printf("Enter no of line \n");
scanf("%d",&n);
for(i=0;i<n;i++)
{
for(j=1;j<=n-i;j++)
printf(" ");
for(j=1;j<=2*i-1;j++)
printf("*");
printf("\n");
Ushtrime MSc. Olta Petritaj
}
getch();
}
6. Produce a Floyd's Triangle of numbers
Code:
/* Q. program to produce the following form of Floyd's Triangle.
1
01
101
0101 */
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,n,a,b;
printf("Enter No of Line : ");
scanf("%d",&n);
for(i=1;i<=n;i++)
{
if(i%2==0)
{ a=1;b=0;}
else
{ a=0;b=1;}
for(j=1;j<=i;j++)
if(j%2==0)
printf("%d",a);
else
printf("%d",b);
printf("\n");
}
getch();
}
7. Display Floyd's Triangle
Code:
/* Q. program to produce the following form of Floyd's Triangle.
0
10
010
1010 */
#include<stdio.h>
#include<conio.h>
Ushtrime MSc. Olta Petritaj
int main()
{
int i,j,n,a,b;
printf("Enter No of Line : ");
scanf("%d",&n);
for(i=1;i<=n;i++)
{
if(i%2==0)
{ a=0;b=1;}
else
{ a=1;b=0;}
for(j=1;j<=i;j++)
if(j%2==0)
printf("%d",a);
else
printf("%d",b);
printf("\n");
}
getch();
}
8. Display pyramid of numbers
Code:
/* Program display following Pattern */
/* 1
22
333
4 4 4 4 */
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,row;
printf("Enter How many Rows : ");
scanf("%d",&row);
for(i=1;i<=row;i++)
{
for(j=1;j<=row-i;j++)
printf(" ");
for(j=1;j<=i;j++)
printf("%d ",i);
Ushtrime MSc. Olta Petritaj
printf("\n");
}
getch();
}
9. Display pyramid of *s using for loop
Code:
/* Program display following Pattern */
/* *
**
***
* * * * */
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,row;
printf("Enter How many Rows : ");
scanf("%d",&row);
for(i=1;i<=row;i++)
{
for(j=1;j<=row-i;j++)
printf(" ");
for(j=1;j<=i;j++)
printf("* ");
printf("\n");
}
getch();
}
10. Display a pyramid of numbers
Code:
/* Program display following Pattern */
/* 1
23
456
7 8 9 10 */
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,row,t=1;
Ushtrime MSc. Olta Petritaj
printf("Enter How many Rows : ");
scanf("%d",&row);
for(i=1;i<=row;i++)
{
for(j=1;j<=row-i;j++)
printf(" ");
for(j=1;j<=i;j++)
printf("%2d",t++);
printf("\n");
}
getch();
}
11. Display pattern of numbers
Code:
/* Program display following Pattern */
/* 1
23
456
7 8 9 10 */
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,row,t=1;
printf("Enter How many Rows : ");
scanf("%d",&row);
for(i=1;i<=row;i++)
{
for(j=1;j<=i;j++)
printf("%3d",t++);
printf("\n");
}
getch();
}
12. Display a pattern of numbers
Code:
/* Program display following Pattern */
/* 1
22
333
Ushtrime MSc. Olta Petritaj
4444 */
#include<stdio.h>
#include<conio.h>
Int main()
{
int i,j,row;
printf("Enter How many Rows : ");
scanf("%d",&row);
for(i=1;i<=row;i++)
{
for(j=1;j<=i;j++)
printf("%2d",i);
printf("\n");
}
getch();
}
13. Display a particular pattern of numbers
Code:
/* Program display following Pattern */
/* 1
12
123
1234 */
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,row;
printf("Enter How many Rows : ");
scanf("%d",&row);
for(i=1;i<=row;i++)
{
for(j=1;j<=i;j++)
printf("%2d",j);
printf("\n");
}
getch();
}
14. Display a particular pattern of *s
Code:
/* Program display following Pattern */
Ushtrime MSc. Olta Petritaj
/* *
**
***
**** */
#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,row;
printf("Enter How many Rows : ");
scanf("%d",&row);
for(i=1;i<=row;i++)
{
for(j=1;j<=i;j++)
printf("*");
printf("\n");
}
getch();
}
