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牛客面试必刷编程题TOP101

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题解 | #有效括号序列#

import java.util.*; public class Solution { /** * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可 * * * @param s string字符串 * @retu...

2024-08-07

0 101

题解 | #包含min函数的栈#

import java.util.*; import java.util.Stack; public class Solution { // 用于存储内容的栈 Stack<Integer> nodeStack = new Stack<>(); // ...

2024-08-07

0 136

题解 | #用两个栈实现队列#

import java.util.*; import java.util.Stack; public class Solution { // 用于push的栈 Stack<Integer> stack1 = new Stack<Integer>(); ...

2024-08-07

0 132

题解 | #序列化二叉树#

import java.util.*; /* public class TreeNode { int val = 0; TreeNode left = null; TreeNode right = null; public TreeNode(int val) { ...

2024-08-05

0 111

题解 | #在二叉树中找到两个节点的最近公共祖先#

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2024-08-05

0 121

题解 | #判断是不是平衡二叉树#

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2024-08-05

0 116

题解 | #判断是不是完全二叉树#

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2024-08-05

0 107

题解 | #判断是不是二叉搜索树#

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2024-08-01

0 101

题解 | #二叉树的镜像#

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2024-07-31

0 107

题解 | #二叉搜索树的最近公共祖先#

import java.util.*; /* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * public TreeNode(int v...

2024-07-31

0 110