6-10PM challenge problem #001

const arr = [12, 3, 0, 2, 8, 11, 0, 0, 6, 4, 0, 5, 7, 0, 8, 9, 0];

const combine = ({ nums, zeros }) => [...nums, ...zeros];
const moveZeroes = arr =>
  combine(
    arr.reduce(
      (acc, num) =>
        (num === 0 ? acc.zeros.push(num) : acc.nums.push(num)) && acc,
      {
        nums: [],
        zeros: []
      }
    )
  );

console.log(moveZeroes(arr));

pub fn move_zeros_to_end_deque(nums: &[i32]) -> VecDeque<i32> {
    let mut deque = VecDeque::with_capacity(nums.len());
    for &n in nums.into_iter().rev() {
        if n == 0 {
            deque.push_back(n);
        } else {
            deque.push_front(n);
        }
    }
    deque
}

(defn move-zeros [arr]
  (loop [lst arr 
         nonzeros []
         zeros []]
    (cond
      (empty? lst) (concat nonzeros zeros)
      (= (first lst) 0) (recur (rest lst) nonzeros (conj zeros 0))
      :else (recur (rest lst) (conj nonzeros (first lst)) zeros))))

(move-zeros [12 3 0 2 8 11 0 0 6 4 0 5 7 0 8 9 0])
;; (12 3 2 8 11 6 4 5 7 8 9 0 0 0 0 0 0)