Write a program that uses for statements to print the following patterns separat

Question

Write a program that uses for statements to print the following patterns separately, one below the other. Use
for loops to generate the patterns. All asterisks (*) should be printed by a single statement of the form cout <<
'*'; (this causes the asterisks to print side by side). [Hint: The last two patterns require that each line begin with
an appropriate number of blanks.] Extra credit: combine your code from the four separate problems into s single program that prints all four patterns side by side by making use of a nested for loops.

a- b- c- d-
* ********** ********** *
** ********* ********* **
*** ******** ******** ***
**** ******* ******* ****
***** ****** ****** *****
****** ***** ***** ******
******* **** **** *******
******** *** *** ********
********* ** ** *********
********** * * **********

Explanation / Answer

Please Rate:Thanks

Pattern 1:

#include<iostream.h>
void main()
{
for(int i=1;i<=10;i++)
{
for(int j=1;j<=i;j++)
cout<<"*";
cout<<" ";
}
}

-----------------------------------------------------------------------------------------------------------------------

Pattern 2:

#include<iostream.h>
void main()
{
for(int i=10;i>=1;i--)
{
for(int j=10;j>=i;j--)
cout<<" ";
for(int k=1;k<=i;k++)
cout<<"*";
cout<<" ";
} }

 

------------------------------------------------------------------------------------------------------------

Pattern 3:

#include<iostream.h>
void main()
{
for(int i=10;i>=1;i--)
{
for(int j=1;j<=i;j++)
cout<<"*";
cout<<" ";
} }

 

-------------------------------------------------

Pattern 4:

#include<iostream.h>
void main()
{
for(int i=10;i>=1;i--)
{
for(int j=1;j<=i;j++)
cout<<" ";
for(int k=10;k>=i;k--)
cout<<"*";
cout<<" ";
} }

------------------------------------------------------------------------------

Combine 4 patterns program

#include<iostream.h>
void main()
{

cout<<"a-b-c-d"<<endl;
for(int i=1;i<=10;i++)
{
for(int j=1;j<=i;j++)
cout<<"*";
cout<<" ";
for(int k=10;k>=i;k--)
cout<<"*";
cout<<" ";
for(int l=10;l>=i;l--)
cout<<"*";
cout<<" ";
for(int m=1;m<=i;m++)
cout<<"*";
cout<<" ";
cout<<" ";
}
}

-----------------------------------------------

Output:

 

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