Computer Programming C Laboratory: Pointers C Programs

Write a C program to sort a given number using pointer (Using Pointer and Array)

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Using Pointers and Arrays - C Programming

Write a C program to sort a given number using pointer.

* C Program to sort a given number using pointer */

#include <stdio.h>

main()

{

int j,k;

int arr[5]; /*arr[5] is a array elements */

int *a; /* *a is a pointer variable */

a=arr;

for(j=0;j<5;j++)

{

printf("Enter the number %d="j+1);

scanf("%d", &arr[j]);

} /* for */

printf("\n Before sorting");

for(j=0;j<5;j++)

printf("%d\n", arr[j]);

a=arr;

for(j=0;j<5;j++)

for(k=0;k<5‒j−1;k++)

If (*(arr+k) > *(arr+k+1))

swap (arr+k, arr+k+1); /* function call */

printf ("After sorting");

for (j=0; j<5; j++)

printf ("%d\n", arr[j]);

} /* main */

swap (b,c)

int *b, *c; /* *b, *c is a point variables */

{

int temp;

temp=*b;

*b=*c;

*c=temp;

} /* Swap */

OUTPUT

Enter the number=8

Enter the number=5

Enter the number=7

Enter the number=4

Enter the number=6

Before sorting 8 5 7 4 6

After sorting 4 5 6 7 8

EXPLANATION: The variable arr is assigned to pointer variable a. The body of for loop j and k checks the condition (*(arr+k)>*(arr+k+i). If the condition is true the program control transfer to swap() function. The swap function interchanges the value using third variable temp then control transfer to main program. Finally using for loop j the sorted output is printed.

Computer Programming C Laboratory: Pointers C Programs : Tag: C Programming : - Write a C program to sort a given number using pointer (Using Pointer and Array)

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Computer Programming C Laboratory: Pointers C Programs

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