Given a binary tree, return thezigzag level ordertraversal of its nodes' values. (ie, from left to right, then right to left for the next level and al...
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其他好文 时间:
2014-07-22 22:53:33
阅读次数:
229
It is often useful to swap the values of two variables. With conventional assignments, you have to use a temporary variable. This solution is cumberso...
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其他好文 时间:
2014-07-19 18:32:06
阅读次数:
243
Strictly speaking, a function can only return one value, but if the value is a tuple, the effect is the same as returning multiple values. For example...
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其他好文 时间:
2014-07-19 18:31:23
阅读次数:
208
Sorting It All OutTime Limit:1000MSMemory Limit:10000KTotal Submissions:26876Accepted:9271DescriptionAn ascending sorted sequence of distinct values i...
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其他好文 时间:
2014-07-19 15:03:58
阅读次数:
278
INSERT INTO table (a,b,c) VALUES (1,2,3) ON DUPLICATE KEY UPDATE c=c+1;INSERT 中 ON DUPLICATE KEY UPDATE的使用如果指定了ON DUPLICATE KEY UPDATE,并且插入行后会导致在一个UN....
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数据库 时间:
2014-07-19 14:13:42
阅读次数:
261
今天遇到新建wcf项目编译成64位版本在64位windows上无法运气的,问题先百度了一下如何查看程序集加载日志:Add the following values toHKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\FusionAdd:DWORD ForceLog set...
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Web程序 时间:
2014-07-19 09:36:27
阅读次数:
301
今天有一开发兄弟找我,说出现一奇怪现象,在存储过程中赋date类型的值,时、分、秒都丢失了,下面来做个试验:
SQL> drop table test purge;
SQL> create table test
(
fill_date date
);
SQL> insert into test values(sysdate);
SQL> commit;
...
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数据库 时间:
2014-07-19 08:23:15
阅读次数:
269
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.Fo...
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其他好文 时间:
2014-07-18 18:28:44
阅读次数:
231
Description
You are not given n non-negative integers
X0, X1,..., Xn-1 less than
220, but they do exist, and their values never change.
I'll gradually provide you some facts about them, and as...
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其他好文 时间:
2014-07-18 13:35:47
阅读次数:
458
Sorting It All Out
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 26866
Accepted: 9267
Description
An ascending sorted sequence of distinct values...
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其他好文 时间:
2014-07-18 11:33:31
阅读次数:
294