Minimum Moves to Organize Balls

Problem Statement

Minimum Moves to Organize Balls Problem Description An infinite number of boxes are arranged in a row and numbered from left to right. The first box on the left is number 1, the next box is number 2, etc. n balls are placed in n of the boxes, and there can only be one ball per box. You want to organize the balls, so you decide to arrange all the balls next to each other. They should occupy a contiguous set of boxes. You can take one ball and move it into an empty box in one move. Given an array balls that indicates the numbers of the boxes in which the balls are placed, find the minimum number of moves needed to organize the balls. Examples Example 1: Input: balls = [6, 4, 1, 7, 10] Output: 2