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后序遍历.md

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// 后序遍历 var postorderTraversal = function(root) { let result = [] var postorderTraversalNode = (node) => { if(node) { // 先遍历左子树 postorderTraversalNode(node.left) // 再遍历右子树 postorderTraversalNode(node.right) // 最后根节点 result.push(node.val) } } postorderTraversalNode(root) return result };

作者:user7746o 链接:https://leetcode-cn.com/problems/binary-tree-postorder-traversal/solution/javascriptjie-er-cha-shu-de-hou-xu-bian-li-by-user/ 来源:力扣(LeetCode) 著作权归作者所有。商业转载请联系作者获得授权,非商业转载请注明出处。