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[LeetCode][Java] Path Sum II
题目: Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum. For example: Given the below binary tree and sum = 22, 5 /...
分类:编程语言   时间:2015-07-21 12:54:55    阅读次数:127
LeetCode 3 Longest Substring Without Repeating Characters
Given a string,find the length of the longest substring without repeating characters. Forexample, the longest substring without repeating letters for"abcabcbb" is "abc", which the length is 3. For"bbb...
分类:其他好文   时间:2015-07-21 12:54:53    阅读次数:84
sublime学习之--批量在多行首位添加代码
缩进Tab 取消缩进shift + Tab 查找 Ctrl + F 批量在数据首位添加代码 Ctrl + H 输入^,然后Find All,查找所有的行首 ,接下来批量首行添加 输入$,然后Find All,查找所有的行尾,接下来批量末行添加...
分类:其他好文   时间:2015-07-21 12:46:43    阅读次数:117
[LeetCode][Java] Minimum Depth of Binary Tree
题目: Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the nearest leaf node. 题意: 给定一棵二叉树,返回它的最小高度。 最小高...
分类:编程语言   时间:2015-07-21 10:39:59    阅读次数:132
linux 删除过期文件
写完备份后发现,数据需要定时删除;第一想法遍历文件,判断文件名,比对当前时间进行删除;然而这当然也是可以的;却又更加简便的方法;find /mnt/sqlBac/ -type f -mtime +15 -exec rm -f '{} \;'find /mnt/sqlBac/ -type f -mti...
分类:系统相关   时间:2015-07-21 10:13:59    阅读次数:140
【LeetCode-面试算法经典-Java实现】【016-3 Sum Closest(最接近的三个数的和)】
【016-3 Sum Closest(最接近的三个数的和)】【LeetCode-面试算法经典-Java实现】【所有题目目录索引】原题  Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target. Return the sum of th...
分类:编程语言   时间:2015-07-21 09:10:14    阅读次数:151
【LeetCode-面试算法经典-Java实现】【015-3 Sum(三个数的和)】
【013-3 Sum(三个数的和)】【LeetCode-面试算法经典-Java实现】【所有题目目录索引】原题  Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives the su...
分类:编程语言   时间:2015-07-21 09:10:13    阅读次数:181
poj 2356 Find a multiple【鸽巢原理 模板应用】
Find a multipleTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 6651Accepted: 2910Special JudgeDescriptionThe input contains N natural (i.e. p...
分类:其他好文   时间:2015-07-21 09:04:44    阅读次数:140
Majority Number
题目描述 链接地址 解法 算法解释题目描述Given an array of integers, the majority number is the number that occurs more than half of the size of the array. Find it..ExampleGiven [1, 1, 1, 1, 2, 2, 2], return 1ChallengeO(n...
分类:其他好文   时间:2015-07-21 01:36:33    阅读次数:186
[LeetCode][Java] Interleaving String
题目: Given s1, s2, s3, find whether s3 is formed by the interleaving of s1 and s2. For example, Given: s1 = "aabcc", s2 = "dbbca", When s3 = "aadbbcbcac", return true. When s3 = "aadbbba...
分类:编程语言   时间:2015-07-20 23:52:55    阅读次数:282
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