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.
Input: arr = [3, 4, 2, 3, 0, 3, 1, 2, 1], start = 7 Output: true Explanation: left -> left -> right