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RSS订阅转载 LeetCode Search a 2D Matrix I,II,III (74,240)
今天面了百度，我确实目前没有这个实力，但是被拒了人总是很难受的 看以后吧 这是今天百度面的两道算法题，一搜，LeetCode上果然有原题 说实话我对自己的算法能力还是比较有自信的（虽然结果不是很理想） 先看第一道题吧 74. Search a 2D Matrix Write an...
2016-10-15 02:30:00
119
转载 LeetCode Single Number I,II,III (136,137,260)
把三道 Single Number 放一起做了吧，三道都是位操作的题 136. Single Number 除了一个数，其他数都出现2次，找那个唯一的数 利用异或操作，偶数重复的元素异或结果为0，不影响 public class Solution { public int s...
2016-10-12 15:34:00
128
转载 LeetCode 338.Counting Bits
直接迈入中等难度了，没啥时间了 Given a non negative integer numbernum. For every numbersiin the range0 ≤ i ≤ numcalculate the number of 1's in their binary ...
2016-10-10 00:39:00
129
转载 LeetCode 141. Linked List Cycle
141. Linked List Cycle Given a linked list, determine if it has a cycle in it. Follow up: Can you solve it without using extra space? 就是找链表是否有环...
2016-10-06 02:01:00
115
转载 LeetCode 121. Best Time to Buy and Sell Stock
121. Best Time to Buy and Sell Stock Say you have an array for which theithelement is the price of a given stock on dayi. If you were only pe...
2016-10-06 01:35:00
89
转载 LeetCode 107. Binary Tree Level Order Traversal II
107. Binary Tree Level Order Traversal II Given a binary tree, return thebottom-up level ordertraversal of its nodes' values. (ie, from left to...
2016-10-05 18:22:00
142
转载 LeetCode 198. House Robber
198. House Robber You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only...
2016-10-05 16:45:00
103
转载 LeetCode 401. Binary Watch
401. Binary Watch A binary watch has 4 LEDs on the top which represent the hours (0-11), and the 6 LEDs on the bottom represent the minutes (0-59...
2016-10-02 00:28:00
86
转载 LeetCode 169. Majority Element
169. Majority Element Given an array of sizen, find the majority element. The majority element is the element that appearsmore than⌊ n/2 ⌋tim...
2016-09-29 16:22:00
113
转载 LeetCode解题路程(7)
刚经过了华为的面试，虽然各种项目经理上被喷了不少，还好算法上稍微挽回一点 在leetcode上解题对于找工作无疑是帮助很大的 404. Sum of Left Leaves Find the sum of all left leaves in a given binary tree. ...
2016-09-27 16:38:00
99
转载 LeetCode解题路程(6)
235. Lowest Common Ancestor of a Binary Search Tree Given a binary search tree (BST), find the lowest common ancestor (LCA) of two given nodes in...
2016-09-25 14:51:00
114
转载 LeetCode解题路程(5)
258. Add Digits Given a non-negative integernum, repeatedly add all its digits until the result has only one digit. For example: Givennum = 3...
2016-09-20 12:52:00
144
转载 char in Java
在Java中，一个char类型变量能否存储一个中文汉字？ 答案是肯定的，显然，Java中一个char变量能够存储一个中文汉字 char ch = '中';String chstr = "你好"System.out.println(chstr.length()); // 2 因为在...
2016-09-19 16:07:00
237
转载 LeetCode解题路程(4)
290. Word Pattern Given apatternand a stringstr, find ifstrfollows the same pattern. Herefollowmeans a full match, such that there is a b...
2016-09-19 14:29:00
167
转载 LeetCode解题路程(3)
326. Power of Three Given an integer, write a function to determine if it is a power of three. Follow up: Could you do it without using any loop...
2016-09-18 15:15:00
112
转载 LeetCode解题路程(2)
这次用可视化编辑器试试 题目就一道，寻找数组交集 350. Intersection of Two Arrays II Given two arrays, write a function to compute their intersection. Example: Givenn...
2016-09-14 21:57:00
129
转载 LeetCode解题路程(1)
不知不觉，终于迎来了找工作的日子，我知道自己是个noob，但也想写点什么，做点什么，就写点leetcode的解题，不是见解，更不是教程，只是记录397.IntegerReplacementGiven a positive integer n and you can do operation...
2016-09-13 18:02:00
118
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