C Program to Sort n numbers in ascending order using pointers

By | 29.11.2016

Sort n numbers in ascending order 


Write a C Program to Sort n numbers in ascending order using pointers. Here’s simple Program to Sort n numbers in ascending order using pointers in C Programming Language.


What are Pointers?


A pointer is a variable whose value is the address of another variable, i.e., direct address of the memory location. Like any variable or constant, you must declare a pointer before using it to store any variable address.

The general form of a pointer variable declaration is

  • type *var-name;

Here, type is the pointer’s base type; it must be a valid C data type and var-name is the name of the pointer variable.

The asterisk * used to declare a pointer is the same asterisk used for multiplication. However, in this statement the asterisk is being used to designate a variable as a pointer.

The unary or monadic operator & gives the “address of a variable’”.

The indirection or dereference operator * gives the “contents of an object pointed to by a pointer”.


Below is the source code for C Program to Sort n numbers in ascending order using pointers which is successfully compiled and run on Windows System to produce desired output as shown below :


SOURCE CODE : :


/*  C Program to Sort n numbers in ascending order using pointers  */

#include <stdio.h>
#include <conio.h>

int main()
{
        int n,*p,i,j,temp;
        printf("How many numbers u want to Sort :: ");
        scanf("%d",&n);

        p=(int *) malloc(sizeof(int));

        if(p==NULL)
        {
                printf("\nMemory Allocation unsuccessful.\n");
                exit(0);
        }
        for(i=0;i<n;i++)
        {
                printf("\nEnter Number %d :: ",i+1);
                scanf("%d",p+i);
        }
        for(i=0;i<n;i++)
        {
                for(j=0;j<n;j++)
                {
                        if(*(p+i)<*(p+j))
                        {
                                temp=*(p+i);
                                *(p+i)=*(p+j);
                                *(p+j)=temp;
                        }
                }
        }
        printf("\nThe Sorted Numbers are ::\n");
        for(i=0;i<n;i++)
    {
                printf(" %d ",*(p+i));
    }

        return 0;
}

Output : :


/*  C Program to Sort n numbers in ascending order using pointers  */

How many numbers u want to Sort :: 7

Enter Number 1 :: 4

Enter Number 2 :: 1

Enter Number 3 :: 2

Enter Number 4 :: 5

Enter Number 5 :: 3

Enter Number 6 :: 6

Enter Number 7 :: 7

The Sorted Numbers are ::
 1  2  3  4  5  6  7

Process returned 0

Above is the source code for C Program to Sort n numbers in ascending order using pointers which is successfully compiled and run on Windows System.The Output of the program is shown above .

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About Tunde A

My name is Tunde Ajetomobi, a Tech Enthusiast and Growth Hacker. I enjoy creating helpful content that solves problem across different topics. Codezclub is my way of helping young aspiring programmers and students to hone their skills and find solutions on fundamental programming languages.

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