Rectangle number pyramid

Q. Write a C program for print the following number design or number pyramid or number rectangle:

33333
32223
32123
32223
33333

Ans.

To make the above program make module/program and add all module(tips):

Figure: How to write above program tips

/*c program for print number rectangle pyramid*/
#include<stdio.h>
int main()
{
 int i,j,k,n=3,r;
 for(j=1; j<=5; j++)
    printf("%d",n);
 printf("
");
 for(r=1; r<=3; r++)
 {
  for(i=3; i>=2; i--)
    printf("%d", i);
  for(k=n-r; k>=0; k--)
  {
    if(k==0)
      printf("2");
    else
    {
      printf("%d",k);
      break;
    }
  }
  for(i=2; i<=3; i++)
     printf("%d",i);
  printf("
");
 }
 for(j=1; j<=5; j++)
     printf("%d",n);
 return 0;
}

The output of above program would be:

Screen shot for rectangle number pyramid C program

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Square Number Triangle

Q. Write a C program to print the following square number triangle as:

1

1 4 9

1 4 9 16 25

1 4 9 16 25 36 49

1 4 9 16 25 36 49 64 81

Ans.

/*c program for square number triangle*/

#include<stdio.h>

int main()

{

 int r,c,q=1;

 for(r=1; r<=5; r++,q=q+2)

 {

  for(c=1; c<=q; c++)

     printf(" %d",c*c);

  printf("
");

 }

 getch();

 return 0;

}

/***********************************************************

The output of above program would be:

***********************************************************/

Figure: Screen shot for square number triangle C program

Related Program:

print the following number triangle C program:

1

1 2 3

1 2 3 4 5

1 2 3 4 5 6 7

1 2 3 4 5 6 7 8 9 

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Number pattern

Q. Write a C program to display the following pattern:

 1

 2   3

 4   5    6

 7   8    9    10

11  12   13    14  15

Ans.

/*program to design the above pattern*/

#include<stdio.h>

#include<conio.h>

void main()

{

 int r,c,n=1;

 clrscr();

 for(r=1; r<=5; r++)

 {

  for(c=1; c<=r; r++)

  {

    printf("%3d",n++);

  }

  printf("
");

 }

 getch();

}

Output:-

 1

 2   3

 4   5    6

 7   8    9    10

11  12   13    14  15

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