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[LintCode] Submatrix Sum 子矩阵之和
Given an integer matrix, find a submatrix where the sum of numbers is zero. Your code should return the coordinate of the left-up and right-down numbe ...
分类:其他好文   时间:2016-08-28 00:59:36    阅读次数:233
mysql 报错'./ivr/T_CDR' is marked as crashed and should be repaired when doing LOCK TABLES
出现这种情况应该是在跑业务的时候,mysql数据库异常中断导致表异常,查看mysql日志报错如下 查了一下资料,使用 myisamchk 修复一下表即可,切换到数据库的date目录,执行如下命令将对应表 MYI 文件修复即可 来自为知笔记(Wiz) ...
分类:数据库   时间:2016-08-27 15:16:44    阅读次数:160
【LeetCode】217. Contains Duplicate 解题小结
题目: Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the ...
分类:其他好文   时间:2016-08-27 11:11:23    阅读次数:110
leetcode 59 Spiral Matrix II ------ java
Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order. For example,Given n = 3, You should return the followi ...
分类:编程语言   时间:2016-08-26 15:03:20    阅读次数:158
在安装idel的jdk的时候报 Error:NB:JAVA_HOME should point to a JDK not a JRE
解决方法是: 首先检查环境: cmd里运行 输入javac跟java命令 正常 输入 if not exist "%JAVA_HOME%\bin\java.exe" echo "%JAVA_HOME%\bin\java.exe" 回车 结果:"C:\Program Files\Java\bin\ja ...
分类:编程语言   时间:2016-08-26 10:31:13    阅读次数:247
LintCode MinStack
Implement a stack with min() function, which will return the smallest number in the stack. It should support push, pop and min operation all in O(1) c ...
分类:其他好文   时间:2016-08-25 23:48:23    阅读次数:163
暑假练习赛 007 B - Weird Cryptography
Weird Cryptography Description standard input/outputStatements Khaled was sitting in the garden under an apple tree, suddenly! , well... you should gu ...
分类:其他好文   时间:2016-08-23 23:20:45    阅读次数:165
Lintcode--005
Given two strings, find the longest common subsequence (LCS). 最长公共子序列 Your code should return the length of LCS. Given two strings, find the longest c ...
分类:其他好文   时间:2016-08-23 22:02:59    阅读次数:192
[leetcode]146. LRU Cache
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get the ...
分类:系统相关   时间:2016-08-23 22:00:16    阅读次数:237
172. Factorial Trailing Zeroes -- 求n的阶乘末尾有几个0
Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time complexity. (1) (2) ...
分类:其他好文   时间:2016-08-23 18:50:47    阅读次数:139
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