剑指Offer之Java算法习题精讲排列与N叉树

题目一 剑指Offer之Java算法习题精讲排列与N叉树
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解法

class Solution {LinkedList> ans = new LinkedList>(); public List> permute(int[] nums) {LinkedList list = new LinkedList(); boolean[] bo = new boolean[nums.length]; method(nums,bo,list); return ans; }public void method(int[] nums,boolean[] bo ,LinkedList list){if(list.size()==nums.length){ans.add(new LinkedList(list)); return; }for(int i = 0; i
题目二 【剑指Offer之Java算法习题精讲排列与N叉树】剑指Offer之Java算法习题精讲排列与N叉树
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解法
/*// Definition for a Node.class Node {public int val; public List children; public Node() {}public Node(int _val) {val = _val; }public Node(int _val, List _children) {val = _val; children = _children; }}; */ class Solution {public int maxDepth(Node root) {if(root==null){return 0; }int maxChildDepth = 0; for(int i = 0; i
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