2020个人战拖刷题打卡

应届生为了找前端方面的工作而开始努力用JS刷题，把这个帖子作为一个时刻提醒自己努力的打卡贴，目前按照top-interview的顺序开始刷，每天三道题，刷完easy刷medium，难度逐步增加，欢迎监督



补充内容 (2020-2-7 12:26):
不知道为什么回复不了了，02/05 没做完，打脸，自我反省
15. 3 Sum
17.  Letter Combinations of a Phone Number

楼主加油，我也准备专业刷题

补上昨天的
01/28
387. First Unique Character in a String, this could be solved with the hash map, but JS has a better method of lastIndexOf()
371. Sum of Two Integers calculate the sum of two integers with the bitwise operation,  difficult level, need to review

饺子没虾仁 发表于 2020-2-16 12:55
02/14 补上昨天的
4. Sum ||， Given four lists A, B, C, D of integer values, compute how many tuples ...

补一下大佬提供的395的解法：

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Curated Interview Questions from Top Companies

01/13
141 Linked List Cycle: tell whether there is a circle in the linked list or not. It's related to the knowledge of linked-list structure. 考察数据链相关结构
深夜发帖，第一天放下水

01/14
155 Min Stack, implement the pop(), push(), top() and getMin() methods of a stack, it focuses on the stack structure and the understanding of stack, 考察数据栈的结构
160 Intersection of Two Linked Lists，finding out the intersection of two singly linked list, the solution is to use two iterations fluently to find the intersection, 活用循环和数据链结构
169 Majority Element，finding the number that appear more than [n/2] times in an array, the best solution is the Majority Vote Algorithm by Boyer-Moore

01/15
171 Excel Sheet Column Number, Given a column title as appear in an Excel sheet, return its corresponding column number, 'A' to 1, 'AA' to '27', the ASCII code and charCodeAt()
172 Factorial Trailing Zeroes, count the trailing zeros of a number's factorial
189. Rotate Array, Given an array, rotate the array to the right by k steps, the unshift method of Javascript is very useful,学习JS的unishift()

今天打卡迟了点因为忙着处理学校的私事，下次早做早打卡

01/16
190 Reverse Bits, Reverse bits of a given 32 bits unsigned integer.
191 Number of One Bit, Write a function that takes an unsigned integer and return the number of '1' bits it has
198 House Robber,  Given a list of non-negative integers representing the amount of money of each house, determine the maximum amount of money you can rob

01/17
202 Happy Number Decide whether or not a number is "Happy", how to break an infinite loop and how to decide on a happy number, 怎么样打破无限循环
204 Count Primes count how many primes numbers there are under one integer

今天处理旅行事务，少写一题

01/23
最近刚回美，耽搁了几天，继续打卡，不气馁
206 Reversed Linked List reverse a singly linked list, kinda difficult for me, review required
217 Contains Duplicate, find if an array contains duplicated numbers, solved with the object in JS, review on the definition of the object of JS
234 Palindrome Linked List, review on what's palindrome

01/24
今天手感不错，碰到的题异常简单
237 Delete Node in a Linked List, given a note in the linked-list and delete this node, super easy
242 Valid Anagram, anagram = naagram, remember that in js, the split method usually should be written as split("")
268 Missing Number, find the missing number from an array full of distinct integers according to the order, ATTENTION THAT sort() method in javascript would sort integers alphabetically, 复习JS的sort()

01/25
283 Move Zeroes: Given an array of nums, write a function to move all 0's to the end, cannot use array.prototype.splice() here because it will change the length of the array
326 Power of Three, decide whether a number is the power of three or not, remember 3^0 = 1, so 1 is also the power of three
今天周末，少写一题

01/26，jet lag太折磨人，补上昨天的， 不要放弃！
334 Reverse String, very easy, reverse an array of letters
350 Intersection of Two Arrays ||, check the intersection of two arrays, solved with the hash map, remember that the intersection doesn't have to be consecutive