You are given an array of non-negative integers arr and a start index. When you are at an index i, you can move left or right by arr[i]. Your task is to figure out if you can reach value 0.

Example 1:

Input: arr = [3, 4, 2, 3, 0, 3, 1, 2, 1], start = 7

Output: true

Explanation: left -> left -> right

Related problems:

• https://leetcode.com/problems/jump-game/