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面试必刷TOP101(101) 题解(130)

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面试必刷TOP101

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题解 | #在两个长度相等的排序数组中找到上中位数#

public class Solution { /** * find median in two sorted array * @param arr1 int整型一维数组 the array1 * @param arr2 int整型一维数组 the array2...

Java

2021-12-27

0 354

题解 | #加起来和为目标值的组合(二)#

public class Solution { public ArrayList<ArrayList<Integer>> combinationSum2(int[] num, int target) { ArrayList<ArrayList&l...

Java

2021-12-27

0 375

题解 | #验证IP地址#

public class Solution { /** * 验证IP地址 * @param IP string字符串一个IP地址字符串 * @return string字符串 */ public String solve (String IP...

Java

2021-12-26

0 382

题解 | #二维数组中的查找#

public boolean Find(int target, int [][] array) { if(array == null ||array.length == 0 || array[0].length == 0){ return false; ...

Java

2021-12-26

0 394

题解 | #环形链表的约瑟夫问题#

public class Solution { /** * * @param n int整型 * @param m int整型 * @return int整型 */ public int ysf (int n, int m) {...

Java

2021-12-26

0 321

题解 | #字符串的排列#

public class Solution { public ArrayList<String> Permutation(String str) { if(str == null){ return null; } ...

Java

2021-12-26

0 421

题解 | #判断一棵二叉树是否为搜索二叉树和完全二叉树#

/* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * } */ public class Solution { /** ...

Java

2021-12-26

0 345

题解 | #二叉树根节点到叶子节点的所有路径和#

/* * public class TreeNode { * int val = 0; * TreeNode left = null; * TreeNode right = null; * } */ public class Solution { /** ...

Java

2021-12-26

0 425

题解 | #重建二叉树#

/** * Definition for binary tree * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int x) { val...

Java

2021-12-26

0 315

题解 | #数据流中的中位数#

public class Solution { PriorityQueue<Integer> minHeap = new PriorityQueue<>(); PriorityQueue<Integer> maxHeap = new Priori...

Java

2021-12-26

0 379