Program in C to print numeric triangle

Write a C program to print the following number rectangle:

1333

2222

3331

Solution:

/*c program for print number rectangle pyramid*/

#include<stdio.h>

int main()

{

            int num,n,r,c,k;

            printf("Enter no. of rows: ");

            scanf("%d", &num);

            n=num;

            for(r=1; r<=num; r++,n--)

            {

                        for(c=1; c<=r; c++)

                                    printf("%d",r);

                        for(k=1; k<=n; k++)

                                    printf("%d",n);

                        printf("\n");

            }

            return 0;

}

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Program in C to print numeric triangle

Write a C program to print the following triangle using function.

 1

 2 3

 4 5 6

 7 8 9 1

 2 3 4 5 6

Solution:

/*C program for number pyramid using function*/

#include<stdio.h>

void pyramid(int);

int main()

{

            int num;

            printf("Enter the number of rows : ");

            scanf("%d", &num);

            pyramid(num);

            return 0;

}

void pyramid(int n)

{

            int r,c,x=1,y=1;

            for(r=1; r<=n; r++)

            {

                        for(c=1; c<=r; c++,x++)

                        {

                                    if(x<=9)

                                                printf(" %d",x);

                                    else

                                    {

                                                printf(" %d",y);

                                                y++;

                                    }

                        }

                        printf("\n");

            }

}

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Program in C to print the triangle using function

Write a program in C to print the following triangle using function

1

2 3

4 5 6

7 8 9 1

2 3 4 5 6

Solution:

/*C program for number pyramid using function*/

#include<stdio.h>

void pyramid(int );

int main()

{

            int num;

            printf("Enter the number of rows : ");

            scanf("%d", &num);

            pyramid(num);

            return 0;

}

void pyramid(int n)

{

            int r,c,x=1,y=1;

            for(r=1; r<=n; r++)

            {

                        for(c=1; c<=r; c++,x++)

                        {

                                    if(x<=9)

                                                printf(" %d",x);

                                    else

                                    {

                                                printf(" %d",y);

                                                y++;

                                    }

                        }

                        printf("\n");

            }

}

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Program in C to print the star pyramid structure

Write a program in C to print the following star pyramid structure: 

*********
*******
*****
***
* 

Solution:

#include<stdio.h>
intmain()
{

intn=9,r,c;

for(r=5; r>=1; r--,n=n-2)

{

for(c=1; c<=n; c++)

printf("*");

printf("\n");

}

return 0;

}

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