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[LeetCode] Single Number
Single Number Given an array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear runtime complexity. Could you implement it ...
分类:其他好文   时间:2015-06-18 17:26:45    阅读次数:93
Nim教程【十二】
排除指定符号一般情况下使用import语句,会把一个模块内的符号都导入进来如果你像排除特定的符号(不想让某些符号被导入进来)可以使用except子句就像下面这样importmymoduleexcepty这行代码排除了mymodule模块中的y符号,其他符号都导入了如果想排除更多的符号,可以使用逗号分...
分类:其他好文   时间:2015-06-18 11:05:12    阅读次数:84
[Python基础]008.异常
异常异常处理捕获异常抛出异常自定义异常一些常见的异常异常处理捕获异常try/except 与C,java等语言用try/catch来捕获异常相似,Python使用try/excepttry/except/finally 无论是否有异常都会执行finally下的语句try/except/else 没有...
分类:编程语言   时间:2015-06-16 22:33:44    阅读次数:172
[LeetCode] Count Complete Tree Nodes
Count Complete Tree Nodes   Given a complete binary tree, count the number of nodes. Definition of a complete binary tree from Wikipedia: In a complete binary tree every level, except possib...
分类:其他好文   时间:2015-06-16 19:14:19    阅读次数:93
leetcode Single Number II python
Single Number IIGiven an array of integers, every element appearsthreetimes except for one. Find that single one.python code:class Solution: # @par...
分类:编程语言   时间:2015-06-14 06:57:52    阅读次数:330
python之数据库支持
13.1.1全局变量任何支持2.0版本DBAPI的数据库模块都必须定义3个描述模块特性的全局变量。这样做的原因时API设计的很灵活,以支持不同的基础机制、避免过多包装,可如果想让程序同时应用于几个数据库,那可是件麻烦事了,因为需要考虑到各种可能出现的状况。 变量名 用途 api..
分类:数据库   时间:2015-06-13 06:26:34    阅读次数:646
Codeforces548B:Mike and Fun
Mike and some bears are playing a game just for fun. Mike is the judge. All bears except Mike are standing in an n?×?m grid, there's exactly one bear in each cell. We denote the bear standing in col...
分类:其他好文   时间:2015-06-12 17:10:53    阅读次数:185
Leetcode[222]-Count Complete Tree Nodes
Given a complete binary tree, count the number of nodes.Definition of a complete binary tree from Wikipedia: In a complete binary tree every level, except possibly the last, is completely filled, and...
分类:其他好文   时间:2015-06-11 14:42:50    阅读次数:126
leetcode之Count Complete Tree Nodes
Given acompletebinary tree, count the number of nodes.Definition of a complete binary tree fromWikipedia:In a complete binary tree every level, except...
分类:其他好文   时间:2015-06-11 09:18:31    阅读次数:122
Leetcode[136]-Single Number
Given an array of integers, every element appears twice except for one. Find that single one.Note: Your algorithm should have a linear runtime complexity. Could you implement it without using extra me...
分类:其他好文   时间:2015-06-10 08:59:53    阅读次数:114
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