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算法刷题笔记Java

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题解 | #二分查找-II#

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 * * 如果目标值存在返回下标，否则返回 -1 * @param nums...

2024-04-12

0 182

题解 | #最长上升子序列(一)#

import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in...

2024-04-09

0 141

题解 | #[NOIP2002 普及组] 过河卒#

import java.util.Arrays; import java.util.Scanner; public class Main { static int N = 21; public static void main(String[] args) { Scanner in = n...

2024-04-09

0 162

题解 | #矩阵的最小路径和#

import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(...

2024-04-09

0 154

题解 | #最大子矩阵#

import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner in = new Scanner(...

2024-04-09

0 161

题解 | #合并二叉树#

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

2024-04-03

0 156

题解 | #从中序与后序遍历序列构造二叉树#

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

2024-04-02

0 148

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...

2024-03-30

0 167

题解 | #完全二叉树结点数#

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

2024-03-30

0 206

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...

2024-03-28

0 181