Reversing the elements of an array involves swapping the corresponding elements of the array: the first with the last, the second with the next to the last, and so on, all the way to the middle of the array. given an array a and two other int variables, k and temp, write a loop that reverses the elements of the array. do not use any other variables besides a, k, and temp.

// Assume that all variables a, n, temp have been declared.

 // Where a is the array, n is the array length, temp is a temporary

 // storage location.

 // Cycle through the array a.

 // By the time the loop gets halfway,

 // The array would have been reversed.

 // The loop needs not get to the end of the array.

 // Hence, the loop ends halfway into the array i.e n/2.

 for (int k = 0; k < n / 2; k++) {

 // Swap first and last, second and next-to-the-last and so on

 temp = a[k];

 a[k] = a[n - k - 1];

 a[n - k - 1] = temp;

 }

Explanation:

Carefully go through the comments in the code.

Hope this helps!

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