Oral English 1
I’m heading out.我准备走了。
讲解关键词head，除了熟悉的‘头’，还可以表示‘出发，前往’，例句：Where are you heading?/Where are you headed?主被动都可以。
补充口语中其他常见的表示‘我要走了’的表达：I’m leaving；I’m go
...
[LeetCode] Problem 69 - Sqrt(x)
Implement int sqrt(int x).
Compute and return the square root of x, where x is guaranteed to be a non-negative integer.
Since the return type is an in
...
[LeetCode] Problem 88 - Merge Sorted Array
Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array.
NoteThe number of elements initialized in nums1 and nums2
...
[LeetCode] Problem 27 - Remove Element
Given an array and a value, remove all instances of that value in-place and return the new length.
Do not allocate extra space for another array, you
...
[LeetCode] Problem 26 - Remove Duplicates from Sorted Array
Given a sorted array, remove the duplicates in-place such that each element appear only once and return the new length.
Do not allocate extra space fo
...
Urllib Demo
Posted on
|
In
Web Crawler
使用Urllib爬取网页将爬取到的网页以网页的形式保存在本地1234567891011121314import urllib.request# 爬取百度首页file = urllib.request.urlopen("http://www.baidu.com")# 将对应的网页内容读取出来data
...
[LeetCode] Problem 264 - Ugly Number II
Write a program to find the n-th ugly number.
Ugly numbers are positive numbers whose prime factors only include 2, 3, 5.
Note1 is typically treated
...
[LeetCode] Problem 263 - Ugly Number
Write a program to check whether a given number is an ugly number.
Ugly numbers are positive numbers whose prime factors only include 2, 3, 5.
Note1
...
[LeetCode] Problem 202 - Happy Number
Write an algorithm to determine if a number is “happy”.
A happy number is a number defined by the following process: Starting with any positive intege
...
[LeetCode] Problem 82 - Remove Duplicates from Sorted List II
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.
ExampleNo.1Input: 1-&g
...