#include <stdio.h>
#include <string.h>

void reverseArray(int arr[], int size) {
    int start = 0;
    int end = size - 1;

    while (start < end) {
        // Swap elements at start and end
        int temp = arr[start];
        arr[start] = arr[end];
        arr[end] = temp;

        // Move start and end towards the center
        start++;
        end--;
    }
}

int main() {
    int size;
    printf("Enter the size of the array: ");
    scanf("%d", &size);

    int arr[size];
    memset(arr, 0, sizeof(arr)); // Initialize array elements to 0

    printf("Enter %d numbers:\n", size);
    for (int i = 0; i < size; i++) {
        scanf("%d", &arr[i]);
    }

    printf("Original array: ");
    for (int i = 0; i < size; i++) {
        printf("%d ", arr[i]);
    }

    reverseArray(arr, size);

    printf("\nReversed array: ");
    for (int i = 0; i < size; i++) {
        printf("%d ", arr[i]);
    }

    return 0;
}