50. Reverse an Array Using Only Pointers

#include <stdio.h>

void reverse_array(int *ptr, int n) {
    // Your logic here
    int ar[100];
    int *p = ar;
    int j=0;
    for(int i=n-1;i>=0;i--)
    {
       *p = *(ptr+i);
       p++;

    }
    p=p-n;
    for(int j =0;j<n;j++)
    {
       *(ptr+j) = *p;
       p++;
    }
    // return 0 ; 
}

int main() {
    int n;
    scanf("%d", &n);

    int arr[100];
    for (int i = 0; i < n; i++) {
        scanf("%d", &arr[i]);
    }

    reverse_array(arr, n);

    for (int i = 0; i < n; i++) {
        printf("%d", arr[i]);
        if(i < n-1){
            printf(" ");
        }
    }

    return 0;
}