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题解 | #按之字形顺序打印二叉树#

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

2023-07-22

0 350

题解 | #连续子数组最大和#

import java.util.Scanner; import java.util.Arrays; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] arg...

2023-07-17

0 412

题解 | #合并k个已排序的链表#

import java.util.*; /* * public class ListNode { * int val; * ListNode next = null; * public ListNode(int val) { * this.val = val; * ...

2023-07-12

0 374

题解 | #删除有序链表中重复的元素-II#

import java.util.*; /* * public class ListNode { * int val; * ListNode next = null; * public ListNode(int val) { * this.val = val; * ...

2023-07-11

0 347

题解 | #走方格的方案数#

首先初始化"边上"的格子,把它们初始化为1然后开始初始化中间的格子,每个格子的值等于水平方向上左边一格格子的值加上竖直方向上向上一格的值的和最后dp[n][m]即为所得 import java.util.Scanner; public class Main { public static ...

2023-04-06

1 349

题解 | #密码强度等级#

就是一层一层判断,逻辑对了就行 import java.util.*; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); ...

2023-04-06

0 311

题解 | #跳石板#

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

2023-04-05

0 357

题解 | #参数解析#

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

2023-04-05

0 276

题解 | #幸运的袋子#

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

2023-04-04

0 318

题解 | #年终奖#

import java.util.*; public class Bonus { public int getMost(int[][] board) { // write code here int row = board.length; i...

2023-03-31

0 409