Build Pattern

Build Pattern of * and numbers using loops

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This program will accept a number as input. The loops are used to build a pattern of * and numbers. There are four loops, two for displaying number and other two for displaying pattern of stars.

Source Code

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#include <stdio.h>

int main()

{

    int i,j,n;

    printf("Enter a number: ");

    scanf("%d", &n);

 

    printf("\n");

 

    for(i = n; i > 1; i--)

    {

        for(j = 1; j <= i; j++)

            printf("*");

        printf("\n");

    }

    for(i = 1; i <= n; i++)

    {

        for(j = 1; j <= i; j++)

            printf("*");

        printf("\n");

    }

    printf("\n");

 

    for(i = 1; i < n; i++)

    {

        for(j = 1; j <= i; j++)

            printf("%d",j);

        printf("\n");

    }

    for(int i = n; i >= 0; i--)

    {

        for(int j = 1; j <= i; j++)

            printf("%d",j);

        printf("\n");

    }

    printf("\n");

 

    return 0;

}

Output

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Enter a number: 6

******

*****

****

***

**

*

**

***

****

*****

******

1

12

123

1234

12345

123456

12345

1234

123

12

1