#include<stdio.h>
void reverse_array(int arr[], int size) {
    int start = 0;
    int end = size - 1;
    int temp;
    
    while (start < end) {
        temp = arr[start];
        arr[start] = arr[end];
        arr[end] = temp;
        
        start++;
        end--;
    }
}
int main() {
    int n, i;
    printf("Enter the size of the array: ");
    scanf("%d", &n);
    
    if (n < 0) {
        printf("-1\n");
        return 0;
    }
    int arr;
    printf("Enter %d elements: ", n);
    for (i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }
    reverse_array(arr, n);
    printf("Reversed array: ");
    for (i = 0; i < n; i++) {
        printf("%d", arr[i]);
    }
    printf("\n");
    return 0;
}