LeetCode - 随笔分类(第2页) - optor

231. Power of Two

摘要：原题链接： "https://leetcode.com/problems/power of two/description/" 实现如下：参考 "https://blog.csdn.net/chenchaofuck1/article/details/51226899" 阅读全文

posted @ 2018-04-05 21:19 optor 阅读(115) 评论(0) 推荐(0)

226. Invert Binary Tree

摘要：原题链接： "https://leetcode.com/problems/invert binary tree/description/" 这是一道有历史典故的算法题目哦：阅读全文

posted @ 2018-04-03 20:03 optor 阅读(101) 评论(0) 推荐(0)

225. Implement Stack using Queues

摘要：原题链接： "https://leetcode.com/problems/implement stack using queues/description/" 实现如下：阅读全文

posted @ 2018-04-03 19:40 optor 阅读(67) 评论(0) 推荐(0)

206. Reverse Linked List

摘要：原题链接： "https://leetcode.com/problems/reverse linked list/description/" 题目本身不难，难的是怎么写出高效优雅的代码来：阅读全文

posted @ 2018-04-03 12:15 optor 阅读(98) 评论(0) 推荐(0)

205. Isomorphic Strings

摘要：原题链接： "https://leetcode.com/problems/isomorphic strings/description/" 这是一道有意思的题目哦： Java / Created by clearbug on 2018/2/26. / public class Solution { 阅读全文

posted @ 2018-04-02 22:17 optor 阅读(101) 评论(0) 推荐(0)

204. Count Primes

摘要：原题链接： "https://leetcode.com/problems/count primes/description/" 这道题目数学相关性比较强，忘记什么是质数的同学估计就得先学习下质数了，然后就是思考思路了，我思考了两种方法，就是提示里面的前两种提示啦，不过效率上都不过关，然后一路跟着提示阅读全文

posted @ 2018-04-02 20:48 optor 阅读(128) 评论(0) 推荐(0)

203. Remove Linked List Elements

摘要：原题链接： "https://leetcode.com/problems/remove linked list elements/description/" 实现如下：阅读全文

posted @ 2018-04-02 12:15 optor 阅读(105) 评论(0) 推荐(0)

202. Happy Number

摘要：原题链接： "https://leetcode.com/problems/happy number/description/" 实现如下：阅读全文

posted @ 2018-04-02 11:41 optor 阅读(112) 评论(0) 推荐(0)

198. House Robber

摘要：原题链接： "https://leetcode.com/problems/house robber/description/" 这道题目有意思哦： Java / Created by clearbug on 2018/2/26. / public class Solution { public st 阅读全文

posted @ 2018-04-02 10:46 optor 阅读(107) 评论(0) 推荐(0)

191. Number of 1 Bits

摘要：原题链接： "https://leetcode.com/problems/number of 1 bits/description/" 实现如下：参考 "http://www.cnblogs.com/optor/p/8688394.html" 阅读全文

posted @ 2018-04-01 22:14 optor 阅读(112) 评论(0) 推荐(0)

190. Reverse Bits

摘要：原题链接： "https://leetcode.com/problems/reverse bits/description/" 实现如下：阅读全文

posted @ 2018-04-01 21:27 optor 阅读(105) 评论(0) 推荐(0)

532. K-diff Pairs in an Array

摘要：原题链接： "https://leetcode.com/problems/k diff pairs in an array/description/" 这道题目很有意思哦，但是我始终没有写出实现来，下面是抄袭讨论区的答案啦：明天下午就要去新浪面试了，还有一大堆东西没有复习，晚上一个小时看了几集《银阅读全文

posted @ 2018-03-25 22:20 optor 阅读(116) 评论(0) 推荐(0)

485. Max Consecutive Ones

摘要：原题链接： "https://leetcode.com/problems/max consecutive ones/description/" 这道题目级别为easy，实际做起来也是so easy：阅读全文

posted @ 2018-03-25 18:19 optor 阅读(151) 评论(0) 推荐(0)

448. Find All Numbers Disappeared in an Array

摘要：原题链接： "https://leetcode.com/problems/find all numbers disappeared in an array/description/" 我的解答： Java import java.util.ArrayList; import java.util.Li 阅读全文

posted @ 2018-03-25 18:10 optor 阅读(116) 评论(0) 推荐(0)

236. Lowest Common Ancestor of a Binary Tree

摘要：原题链接： "https://leetcode.com/problems/lowest common ancestor of a binary tree/description/" 代码实现如下：阅读全文

posted @ 2018-03-25 17:24 optor 阅读(114) 评论(0) 推荐(0)

235. Lowest Common Ancestor of a Binary Search Tree

摘要：原题链接： "https://leetcode.com/problems/lowest common ancestor of a binary search tree/description/" 代码实现： Java / Created by clearbug on 2018/2/26. / pub 阅读全文

posted @ 2018-03-25 16:38 optor 阅读(90) 评论(0) 推荐(0)

215. Kth Largest Element in an Array

摘要：原题链接： "https://leetcode.com/problems/kth largest element in an array/description/" 代码如下：阅读全文

posted @ 2018-03-25 10:45 optor 阅读(119) 评论(0) 推荐(0)

414. Third Maximum Number

摘要：原题链接： "https://leetcode.com/problems/third maximum number/description/" 我的解答：阅读全文

posted @ 2018-03-25 10:02 optor 阅读(82) 评论(0) 推荐(0)

283. Move Zeroes

摘要：原题链接： "https://leetcode.com/problems/move zeroes/description/" 代码如下： Java import java.util.Arrays; / Created by clearbug on 2018/2/26. / public class 阅读全文

posted @ 2018-03-24 11:24 optor 阅读(114) 评论(0) 推荐(0)

268. Missing Number

摘要：原题链接： "https://leetcode.com/problems/missing number/description/" 只想说位操作里面的异或很牛逼，官方答案里面也有惊喜： Java import java.util.Arrays; / Created by clearbug on 20 阅读全文

posted @ 2018-03-24 10:23 optor 阅读(92) 评论(0) 推荐(0)

optor

随笔分类 - LeetCode

公告