题目 Given an array of integers, find out whether there are two distinct indices i and j in the array such that the difference between nums[i] and nums[j] is at most t and the difference between i and j is at most k. 分析 题目描述:给定一个整数序列,查找是否存在两个下标分别为i和j的元…

Unique Binary Search Trees II leetcode java [LeetCode]Unique Binary Search Trees II 异构二叉查找树II Unique Binary Search Trees II -- LeetCode 描述 Given n, generate all structurally unique BST's (binary search trees) that store values 1...n. For example,Give…

[python]Leetcode每日一题-反转链表 II [题目描述] 给你单链表的头节点 head 和两个整数 left 和 right ,其中 left <= right .请你反转从位置 left 到位置 right 的链表节点,返回 反转后的链表 . 示例1: 输入:head = [1,2,3,4,5], left = 2, right = 4 输出:[1,4,3,2,5] 示例2: 输入:head = [5], left = 1, right = 1 输出:[5] 提示: 链表中节点数…

[LeetCode]522. Longest Uncommon Subsequence II 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/longest-uncommon-subsequence-ii/description/ 题目描述: Given a list of strings, you…

一.Contains Duplicate Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct. 分析:先把数组排个序,然后遍历排序后…

 217 - Contains Duplicate Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the array, and it should return false if every element is distinct. Solution 1: s…

Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list. For example,Given1->2->3->3->4->4->5, return1->2->5.Given1->1->1->2->3, return2->3. 这题和R…

#-*- coding: UTF-8 -*-#遍历所有元素,将元素值当做键.元素下标当做值#存放在一个字典中.遍历的时候,#如果发现重复元素,则比较其下标的差值是否小于k,#如果小于则可直接返回True,否则更新字典中该键的值为新的下标class Solution(object):    def containsNearbyDuplicate(self, nums, k):        """        :type nums: List[int]        :typ…

题目 Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] and the difference between i and j is at most k. 分析 题目描述:给定一个整数序列,查找是否存在两个下标分别为i和j的元素值nums[i]=nums[j]且满足i…

---恢复内容开始--- Description Given an array of integers and an integer k, find out whether there are two distinct indices i and j in the array such that nums[i] = nums[j] and the absolute difference between i and j is at most k. Example 1: Input: nums =…