void arrayRev(int arr[]){
    int temp;
    
    for(int i=0; i<=4; i++){
        temp=arr[i];
        arr[i]=arr[7-i];
        arr[7-i]=temp;
    }
}
int main() {
    int arr[]={1,2,3,4,5,6,6,7};
    
    for(int i=0; i<8; i++){
        printf("value of element %d is %d\n",i,arr[i]);
    }
    arrayRev(arr);
    printf("after reversing the array\n");
    for(int i=0; i<8; i++){
        printf("value of element %d is %d\n",i,arr[i]);
    }
    
    return 0;
}