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题解 | 反转链表

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

2025-08-21

0 22

题解 | 移除链表元素

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

2025-08-21

0 48

题解 | 两两交换链表中的结点

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

2025-08-21

0 36

题解 | 小苯的比赛上分

import java.util.PriorityQueue; import java.util.Scanner; import java.util.TreeMap; public class Main { public static void main(String[] args) { ...

2025-08-21

0 46

题解 | 两端问优先队列

import java.util.PriorityQueue; import java.util.Scanner; import java.util.TreeMap; public class Main { public static void main(String[] args) { ...

2025-08-21

0 36

题解 | 结构体优先队列

import java.util.*; class Student { int chinese, math, english, sum; public Student(int chinese, int math, int english) { t...

2025-08-20

0 36

题解 | 不重复数字

import java.util.ArrayList; import java.util.Scanner; import java.util.*; public class Main { public static void main(String[] args) { // TODO Au...

2025-08-20

0 28

题解 | 快乐数

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 n int整型 * @return...

2025-08-20

0 31

题解 | 数对计数

import java.util.Scanner; import java.util.TreeMap; public class Main { public static void main(String[] args) { // TODO Auto-generated method st...

2025-08-20

0 31

题解 | 动态整数集最近值提取

import java.util.Scanner; import java.util.TreeSet; public class Main { public static void main(String[] args) { // TODO Auto-generated method st...

2025-08-20

0 26