C PROGRAM TO PRINT DIAMOND PATTERN:

int main()

{

int i, j, rows, space = 1;

 

printf(“Please enter number of rows you want to see in half Diamond\n”);

scanf(“%d”, &rows);

 

printf(“Diamond pattern:\n”);

 

space = rows – 1;

 

for (j = 1; j <= rows; j++)

{

for (i = 1; i <= space; i++)

printf(” “);

 

space–;

 

for (i = 1; i <= 2*j-1; i++)

printf(“*”);

printf(“\n”);

}

 

space = 1;

 

for (j = 1; j <= rows – 1; j++)

{

for (i = 1; i <= space; i++)

printf(” “);

 

space++;

 

for (i = 1 ; i <= 2*(rows-j)-1; i++)

printf(“*”);

 

printf(“\n”);

}

return 0;

}

Output:

Please enter number of rows you want to see in half Diamond

5

Diamond pattern:

*

***

*****

*******

*********

*******

*****

***

*