Patterns In "C" Programming Part: 1

                In "C" programming patterns are very important for understanding the concept of loops. Implementing loops any pattern can be produced. Here are some basic patterns in programming. I am using the Linux platform. 

 

 

 

 

 

Pattern 1

Program

#include<stdio.h>
main()
{
        int i,j,n;
        printf("Enter valude of n= ");
        scanf("%d",&n);
        for(i=1; i<=n; i++,printf("\n"))
        {
                for(j=1; j<=i; j++)
                {
                        if(j<=i)
                                printf("*");
                        else
                                printf(" ");
                }
        }
}

The output for n=5 is

Pattern 2

Program 

#include<stdio.h>
main()
{
        int i,j,n;
        printf("Enter valude of n= ");
        scanf("%d",&n);
        for(i=1; i<=n; i++,printf("\n"))
        {
                for(j=1; j<=n; j++)
                {
                        if(j>=n+1-i)
                                printf("*");
                        else
                                printf(" ");
                }
        }
}

The output for n=5 is

Pattern 3

Program

#include<stdio.h>
main()
{
        int i,j,n;
        printf("Enter valude of n= ");
        scanf("%d",&n);
        for(i=1; i<=n; i++,printf("\n"))
        {
                for(j=1; j<=n; j++)
                {
                         if(j<=n+1-i)
                                printf("*");
                        else
                                printf(" ");
                }
        }
}

The output for n=5 is

Pattern 4

Program

#include<stdio.h>
main()
{
        int i,j,n;
        printf("Enter valude of n= ");
        scanf("%d",&n);
        for(i=1; i<=n; i++,printf("\n"))
        {
                for(j=1; j<=n; j++)
                {
                         if(j>=i)
                                printf("*");
                        else
                                printf(" ");
                }
        }
}

The output for n=5 is

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