Return an array of integers from tree, column by column. For example: Input: \t\t\t3\t \t\t / \\ \t\t2\t\t1 \t / \\ \\ \t0\t\t5\t\t7 / \\ 1\t\t5 Output: [1,0,2,5,3,5,1,7]

LeetCode Question · Dec 2021

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Return an array of integers from tree, column by column. For example: Input: 3 / \\ 2 1 / \\ \\ 0 5 7 / \\ 1 5 Output: [1,0,2,5,3,5,1,7]

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Arrays Binary Tree