Question

Write a code fragment that reverses the order of the values in a one-dimensional string array. Do not create another array to hold the result. Hint: Use the code in the text for exchanging the values of two elements.. Implement using a while loop

Answer 1

#include <stdio.h>

int main()

{

int arr[] = {1, 2, 3, 4, 5, 6};

int n = 6,start=0;

int end=n-1;

printf("Before Reverse: \n");

for (int i = 0; i < n; i++)

printf("%d ",arr[i]);

printf("\n");

while (start < end)

{

// swapping the fist and last elements

int temp = arr[start];

arr[start] = arr[end];

arr[end] = temp;

start++;

end--;

}

printf("Before Reverse: \n");

for (int i = 0; i < n; i++)

printf("%d ",arr[i]);

return 0;

}

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