LeetCode: Minimum Number Of Operations To Move All Balls To Each Box Solution

1/**
2 * @param {string} boxes
3 * @return {number[]}
4 */
5var minOperations = function (boxes) {
6  boxes = boxes.split("").map(Number)
7  const ones = boxes
8    .map((el, i) => [el, i])
9    .filter(([el]) => el === 1)
10    .map(([_, i]) => i)
11
12  const res = Array.from({ length: boxes.length }, (_, i) =>
13    ones.reduce((acc, oneIdx) => (acc += Math.abs(i - oneIdx)), 0)
14  )
15  return res
16}