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#include <stdio.h>
#define MAX_SIZE 100 // Maximum array size
/* Function declarations */
void inputArray(int *arr, int size);
void printArray(int *arr, int size);
void swapArray(int *sourceArr, int *destArr, int size);
int main()
{
int sourceArr[MAX_SIZE];
int destArr[MAX_SIZE];
int size;
// Input array size
printf("Enter size of array: ");
scanf("%d", &size);
// Input elements of destination array
printf("Enter %d elements in source array: ", size);
inputArray(sourceArr, size);
// Input element of destination array
printf("Enter %d elements in destination array: ", size);
inputArray(destArr, size);
/*
* Print elements of both arrays before swapping
*/
printf("\n\nSource array before swapping: ");
printArray(sourceArr, size);
printf("\nDestination array before swapping: ");
printArray(destArr, size);
/* Swap elements of both arrays. */
swapArray(sourceArr, destArr, size);
/*
* Print elements of both arrays after swapping
*/
printf("\n\nSource array after swapping: ");
printArray(sourceArr, size);
printf("\nDestination array after swapping: ");
printArray(destArr, size);
return 0;
}
/**
* Function used to read input from user in an array.
*
* @arr Pointer to array to store input
* @size Size of the array
*/
void inputArray(int *arr, int size)
{
// Pointer to last element of array.
int *arrEnd = (arr + (size - 1));
// Input elements in array using pointer
while(arr <= arrEnd)
scanf("%d", arr++);
}
/**
* Function used to print elements of array.
*
* @arr Pointer to array, which is to print.
* @size Size of the array
*/
void printArray(int *arr, int size)
{
// Pointer to last element of array.
int *arrEnd = (arr + (size - 1));
// Print elements of array one by one
while(arr <= arrEnd)
printf("%d, ", *(arr++));
}
/**
* Function to swap elements of two arrays.
*
* @sourceArr Pointer to source array to swap.
* @destArr Pointer to destination array to swap.
* @size Size of array.
*/
void swapArray(int * sourceArr, int * destArr, int size)
{
// Pointer to last element of source array
int * sourceArrEnd = (sourceArr + (size - 1));
// Pointer to last element of destination array
int * destArrEnd = (destArr + (size - 1));
/*
* Swap individual element of both arrays
*/
while(sourceArr <= sourceArrEnd && destArr <= destArrEnd)
{
*sourceArr ^= *destArr;
*destArr ^= *sourceArr;
*sourceArr ^= *destArr;
// Increment source array to point to next element
sourceArr++;
// Increment destination array to point to next element
destArr++;
}
}
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