Populate each next pointer to point to its next right node. If there is no next right node, the next pointer should be set to NULL.
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其他好文 时间：
2014-07-03 23:46:37
阅读次数：
389
题目：Given a sorted array, remove the duplicates in place such that each element appear onlyonceand return the new length.Do not allocate extra space fo...
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其他好文 时间：
2014-07-03 20:58:08
阅读次数：
248
题目描述There are N tasks and M resources, each task is asked to use some resources and each resource can only be used by at most one task. You are asked ...
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其他好文 时间：
2014-07-03 20:35:23
阅读次数：
274
Follow up for problem "Populating Next Right Pointers in Each Node".What if the given tree could be any binary tree? Would your previous solution stil...
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其他好文 时间：
2014-07-03 20:34:46
阅读次数：
193
Given a sorted linked list, delete all duplicates such that each element appear onlyonce.For example,Given1->1->2, return1->2.Given1->1->2->3->3, retu...
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其他好文 时间：
2014-07-03 18:57:04
阅读次数：
193
ruby on rails 修改数据库内所有用户的密码 ，全部改成1111
项目文件夹内：
rails c
User.all.each do |u|
u.password='1111'
u.password_confirmation='1111'
u.save
end...
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数据库 时间：
2014-07-03 18:31:09
阅读次数：
237
选择排序
定义：依次选择最小的元素放在相应的位置上
特点：比较次数是 N(N-1)/2 交换次数是 N （each exchange puts an item into its ?nal position, so the number of exchanges is N. Thus, the running time is dominated by the number of
com...
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其他好文 时间：
2014-07-03 15:44:01
阅读次数：
259
var formData = {};$.each(form.serializeArray(),function(i, item){ formData[item.name] = item.value;});$.ajax({ cache: true, ...
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Web程序 时间：
2014-07-02 22:21:51
阅读次数：
214
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 andsum =...
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其他好文 时间：
2014-07-02 22:10:42
阅读次数：
262
【题目】
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /. Each operand may be an integer or another expression.
Some examples:
["2", "1", "+", "3", "*"] -> ((2 + 1) * 3) -> 9
["4", "13", "5", "/...
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其他好文 时间：
2014-07-02 07:43:36
阅读次数：
212
