whl-hl

摘要： 先做人，后做事，调节好自己的心态，调整好对人对事的方式，才能更好的做事。 以下是我听到过的4个约定，可以帮助人发展事业并且提高自己的幸福感。每条约定后面是我对这条约定的一些看法，希望大家能谈谈自己的看法。1. 不要轻易评论他人 不要轻易地说他人的缺点，无论是当面还是背后，最好做到不去想。可以表扬别人 阅读全文

摘要： 1. 问题描述 189. Rotate ArrayRotate an array of n elements to the right by k steps.For example, with n = 7 and k = 3, the array [1,2,3,4,5,6,7] is rotated 阅读全文

摘要： 1. 问题描述 Determine whether an integer is a palindrome. Do this without extra space.Some hints:Could negative integers be palindromes? (ie, -1)If you ar 阅读全文

摘要： 1. 问题描述 Given numRows, generate the first numRows of Pascal's triangle. For example, given numRows = 5, Return[[1],[1,1],[1,2,1],[1,3,3,1],[1,4,6,4,1] 阅读全文

摘要： 1. 问题描述 Given an integer n, return the number of trailing zeroes in n!.Note: Your solution should be in logarithmic time complexity.Tags: MathSimilar 阅读全文

摘要： 1. 问题描述 Write a function that takes a string as input and reverse only the vowels of a string. Note:The vowels does not include the letter "y".Tags: T 阅读全文

摘要： 1. 问题描述 Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string.If the la 阅读全文

摘要： 1. 问题描述 Given an arbitrary ransom note string and another string containing letters from all the magazines, write a function that will return true if 阅读全文

摘要： 1. 问题描述 Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Note: You may assume the s 阅读全文

摘要： 1. 问题描述 Given a sorted linked list, delete all duplicates such that each element appear only once.For example,Given 1->1->2, return 1->2.Given 1->1->2 阅读全文