1769.js

/** ------------------------------------------------------------------------------
 * 
 * 1769. Minimum Number of Operations to Move All Balls to Each Box
 * Topics: Array, Prefix Sum
 * https://leetcode.com/problems/minimum-number-of-operations-to-move-all-balls-to-each-box/?envType=daily-question&envId=2025-01-06
 * 
 ------------------------------------------------------------------------------ */
/**
 * @param {string} boxes
 * @return {number[]}
 */
var minOperations = function (boxes) {
  const n = boxes.length
  const answer = Array(n).fill(0)

  let balls = 0
  let operations = 0
  for (let i = 0; i < n; i++) {
    answer[i] = answer[i] + operations
    balls = balls + Number(boxes[i])
    operations += balls
  }
  balls = 0
  operations = 0

  for (let i = n - 1; i >= 0; i--) {
    answer[i] = answer[i] + operations
    balls = balls + Number(boxes[i])
    operations += balls
  }
  return answer
}

/**
 * 무지성 해답
 */
var minOperations = function (boxes) {
  let arr = []
  for (let i = 0; i < boxes.length; i++) {
    let sum = 0
    for (let j = 0; j < boxes.length; j++) {
      if (boxes[j] == 1) {
        sum += Math.abs(i - j)
      }
    }
    arr.push(sum)
  }
  return arr
}

console.log(minOperations("110"))