这道题目不能用go语言写答案，所以用了C语言 题目 Write a function to delete a node (except the tail) in a singly linked list, given o…

题目 Write a function that takes a string as input and returns the string reversed. Example: Given s = “he…

题目 Given a positive integer num, write a function which returns True if num is a perfect square else False. No…

题目 Given an arbitrary ransom note string and another string containing letters from all the magazines, write a…

题目 Given a non-negative integer num, repeatedly add all its digits until the result has only one digit. For ex…

题目 Given two strings s and t, write a function to determine if t is an anagram of s. For example, s = “a…

题目 Given an m * n matrix M initialized with all 0’s and several update operations. Operations are repres…

题目 Given an array consisting of n integers, find the contiguous subarray of given length k that has the maximu…

题目 You are given a map in form of a two-dimensional integer grid where 1 represents land and 0 represents wate…

题目 Given an integer, write a function to determine if it is a power of three. Follow up: Could you do it witho…

HomeBrew作者去Google面试做错的一道题，影响很大，大家一定要研究下这道题。 事件回放 2015 年 6 月 10 日，Homebrew 的作者 @Max Howell 在 twitter 上发表了如下一内容：…

题目 Given an integer, write an algorithm to convert it to hexadecimal. For negative integer, two’s complement m…