#103 · #1769 · Minimum Number of Operations to Move All Balls to Each Box(移动所有球到每个盒子所需的最小操作数)

You have n boxes given as a binary string boxes, where boxes[i] == '1' means box i contains a ball. In one operation you may move one ball to an adjacent box. Return an array where answer[i] is the minimum number of operations to move all balls to box i. Constraints: 1 <= boxes.length <= 2000.