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题解 | #重排链表#

参考： JAVA详细版重排链表 /** * Definition for singly-linked list. * class ListNode { * int val; * ListNode next; * ListNode(int x) { * ...

Java

2021-09-18

0 304

题解 | #大数加法#

import java.util.*; public class Solution { public String solve (String s, String t) { StringBuilder stringBuilder = new StringBuilder()...

Java

2021-09-17

0 230

【剑指offer】斐波那契数列 --Java实现

public class Solution { public int Fibonacci(int n) { if(n <= 1) { return n; } return Fibonacci(n - 1) + Fi...

2020-09-18

0 350

剑指offer-旋转数组中的最小数字-Java版

public class Solution { public int minNumberInRotateArray(int [] a) { int len = a.length; if(len == 0) return 0; ...

2020-09-17

0 330

【剑指offer】用两个栈实现队列 -- Java实现

import java.util.Stack; public class Solution { Stack<Integer> stack1 = new Stack<Integer>(); Stack<Integer> stack2 = new S...

2020-09-13

0 368

【剑指offer】重建二叉树 --Java实现

public class reConstructBinaryTreeTest { static class TreeNode { int val; TreeNode left; TreeNode right; TreeNode...

2020-09-13

0 403

【剑指offer】替换空格 -- Java 实现

public class Solution { public String replaceSpace(StringBuffer str) { int len = str.length(); int rightMoveCount = 0; for...

2020-09-11

0 349

【剑指 offer】Java 实现二维数组中的查找

public class Solution { public static boolean find(int target, int [][] array) { if (array == null) return false; int ...

2020-09-11

0 322