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全部文章（共243篇）

LeetCode: 872. Leaf-Similar Trees

LeetCode: 872. Leaf-Similar Trees 题目描述 Consider all the leaves of a binary tree. From left to right order, the values of those leaves form a leaf va...

2018-07-22

0 405

LeetCode: Weekly Contest 94

LeetCode: Weekly Contest 94 题解列表 1. LeetCode: 872. Leaf-Similar Trees 题解签到题。分别中序遍历两棵树，按顺序记录各自的叶子，然后比较是否相等。 2.LeetCode: 874. Walking Robot Si...

2018-07-22

0 445

TCP/IP协议(1): IP 地址和寻址方式 —— IP 协议的基础

TCP/IP协议(1): IP 地址和寻址方式 —— IP 协议的基础最近在重学计算机网络，给自己立一个 flag，有感而发的时候写关于 TCP/IP 协议栈的系列博客。 IP 地址 IP 地址(Internet Protocol address, IP address) 在 TC...

2018-07-21

0 679

LeetCode: 154. Find Minimum in Rotated Sorted Array II

LeetCode: 154. Find Minimum in Rotated Sorted Array II 题目描述 Suppose an array sorted in ascending order is rotated at some pivot unknown to you befor...

2018-07-21

0 464

LeetCode: 153. Find Minimum in Rotated Sorted Array

LeetCode: 153. Find Minimum in Rotated Sorted Array 题目描述 Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforeha...

2018-07-20

0 433

LeetCode: 152. Maximum Product Subarray

LeetCode: 152. Maximum Product Subarray 题目描述 Given an integer array nums, find the contiguous subarray within an array (containing at least one numb...

2018-07-19

0 424

LeetCode: 151. Reverse Words in a String

LeetCode: 151. Reverse Words in a String 题目描述 Given an input string, reverse the string word by word. Example: Input: "the sky is blue"...

2018-07-18

0 598

LeetCode: 871. Minimum Number of Refueling Stops

LeetCode: 871. Minimum Number of Refueling Stops 题目描述 A car travels from a starting position to a destination which is target miles east of the star...

2018-07-17

0 688

LeetCode: 150. Evaluate Reverse Polish Notation

LeetCode: 150. Evaluate Reverse Polish Notation 题目描述 Evaluate the value of an arithmetic expression in Reverse Polish Notation. Valid operators are...

2018-07-17

0 516

LeetCode: 149. Max Points on a Line

LeetCode: 149. Max Points on a Line 题目描述 Given n points on a 2D plane, find the maximum number of points that lie on the same straight line. Exampl...

2018-07-16

0 558