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全部文章 / Coding （共7篇）

每日一练之Remove Element【LeetCode No.27】—删除数组相应值

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, yo...

2020-01-13

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每日一练之Palindrome Number【LeetCode No.9】—判断是否为回文数

Determine whether an integer is a palindrome. Do this without extra space. click to show spoilers. Some hints: Could negative integers be pali...

2020-01-13

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每日一练之Reverse Integer[LeetCode No.7]-翻转整数

Reverse digits of an integer. Example1: x = 123, return 321Example2: x = -123, return -321 click to show spoilers. Note: The input is assumed t...

2020-01-13

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每日一练之Roman to integer & integer to Roman【LeetCode No.12,13】

Integer to Roman Given an integer, convert it to a roman numeral. Input is guaranteed to be within the range from 1 to 3999. Subscribe to see which ...

2020-01-13

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每日一练之poor pigs【leetcode No.458】——猪测毒问题

There are 1000 buckets, one and only one of them contains poison, the rest are filled with water. They all look the same. If a pig drinks that poison ...

2020-01-13

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每日一练之Longest Common Prefix【LeetCode No.14】——求字符串的最长公共前缀

题目：Write a function to find the longest common prefix string amongst an array of strings. 分析：只需用第一个字符串与后面的进行比较，最大长度不能大于第一个字符串的长度 class Solution...

2020-01-13

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Redis和memcache有什么区别与不同？如何选择？来自专栏

问：Redis和memcache都是常用的缓存工具，但他们有哪些不同你知道吗？平常应用中怎么选择呢？先说结论，我认为他们有以下几方面的不同： 1、Redis和Memcache都是将数据存放在内存中，memcache还可用于缓存其他东西，例如图片、视频等等，但最大只能缓存1M。...

2020-01-13

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