随笔分类 -  LeetCode刷题

LeetCode刷题系列—101.Symmetric Tree 判断二叉树是否对称
摘要：##1 题目描述 ###1.1 英文描述 Given the root of a binary tree, check whether it is a mirror of itself (i.e., symmetric around its center). Example 1: Input: ro 阅读全文
posted @ 2021-05-14 01:11 limaodeng 阅读(131) 评论(0) 推荐(0)
LeetCode刷题系列—125.Valid Palindrome 判断回文字符串
摘要：##1 题目描述 ###1.1 英文描述 Given a string s, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. Example 1: Input: 阅读全文
posted @ 2020-08-12 00:54 limaodeng 阅读(160) 评论(2) 推荐(0)
LeetCode刷题系列—167.Two Sum II - Input array is sorted 有序数组中求和为给定值的两个数
摘要：##1 题目描述 ###1.1 英文描述 Given an array of integers that is already sorted in ascending order, find two numbers such that they add up to a specific target 阅读全文
posted @ 2020-08-12 00:47 limaodeng 阅读(85) 评论(0) 推荐(0)
LeetCode刷题系列—35. Search Insert Position
摘要：1.题目描述 英文版： Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were in 阅读全文
posted @ 2020-02-24 21:40 limaodeng 阅读(115) 评论(0) 推荐(0)
LeetCode刷题系列—34. Find First and Last Position of Element in Sorted Array
摘要：1.题目描述 英文版： Given an array of integers nums sorted in ascending order, find the starting and ending position of a given target value. Your algorithm's 阅读全文
posted @ 2020-02-24 21:20 limaodeng 阅读(88) 评论(0) 推荐(0)
LeetCode刷题系列—33. Search in Rotated Sorted Array
摘要：1.题目描述 英文版： Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,2,4,5,6,7] might become [4,5,6, 阅读全文
posted @ 2020-02-23 19:59 limaodeng 阅读(109) 评论(0) 推荐(0)
LeetCode刷题系列—31. Next Permutation
摘要：1.题目描述 英文版： Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers. If such arrangement i 阅读全文
posted @ 2020-02-19 00:14 limaodeng 阅读(133) 评论(0) 推荐(0)
LeetCode刷题系列—16. 3Sum Closest
摘要：1.题目描述 英文版： Given an array nums of n integers and an integer target, find three integers in nums such that the sum is closest to target. Return the su 阅读全文
posted @ 2020-02-18 00:54 limaodeng 阅读(133) 评论(0) 推荐(0)
LeetCode刷题系列—15. 3Sum
摘要：1.题目描述 英文版： Given an array nums of n integers, are there elements a, b, c in nums such that a + b + c = 0? Find all unique triplets in the array which 阅读全文
posted @ 2020-02-16 23:55 limaodeng 阅读(115) 评论(0) 推荐(0)
LeetCode刷题系列—11. Container With Most Water
摘要：1.题目描述 英文版： Given n non negative integers a1, a2, ..., an , where each represents a point at coordinate (i, ai). n vertical lines are drawn such that 阅读全文
posted @ 2020-02-16 19:49 limaodeng 阅读(125) 评论(0) 推荐(0)
LeetCode刷题系列—4.Median of Two Sorted Arrays
摘要：1.题目描述 英文版： There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the median of the two sorted arrays. The overall run time c 阅读全文
posted @ 2020-02-16 02:29 limaodeng 阅读(157) 评论(0) 推荐(0)
LeetCode刷题系列—1.TowSum 求和为给定值的两个数
摘要：##1.题目描述 ####英文版： Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each i 阅读全文
posted @ 2020-02-16 01:21 limaodeng 阅读(182) 评论(0) 推荐(0)