Given a m x n matrix, if an element is 0, set its entire row and column to 0. Do it in place.click to show follow up.Follow up: Did you use extra spac...
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其他好文 时间:
2014-11-17 00:23:53
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244
Suppose a sorted array is rotated at some pivot unknown to you beforehand.(i.e.,0 1 2 4 5 6 7might become4 5 6 7 0 1 2).Find the minimum element.You m...
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其他好文 时间:
2014-11-17 00:21:07
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213
QDomDocument doc;1).创建根节点:QDomElement root = doc.documentElement("rootName " );2).创建元素节点:QDomElement element = doc.createElement_x("nodeName");3).添加元素...
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其他好文 时间:
2014-11-16 22:49:52
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239
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:
2014-11-16 14:38:00
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175
Given an array and a value, remove all instances of that value in place and return the new length.The order of elements can be changed. It doesn't mat...
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其他好文 时间:
2014-11-16 14:32:13
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190
Design a stack that supports push, pop, top, and retrieving the minimum element in constant time.
push(x) -- Push element x onto stack.pop() -- Removes the element on top of the stack.top() -- Get ...
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其他好文 时间:
2014-11-16 13:30:08
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174
Given a sorted linked list, delete all duplicates such that each element appear only once. For example,Given 1->1->2, return 1->2.Given 1->1->2->3->3,...
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其他好文 时间:
2014-11-16 08:11:30
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220
Given a sorted array, remove the duplicates in place such that each element appear only once and return the new length.Do not allocate extra space for...
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其他好文 时间:
2014-11-16 08:11:04
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178
dom4j中,使用Element.attributes方法可以获取到节点的属性,而使用elements则可以获取相应的子节点
比如:
Element?root?=?doc.getRootElement();
List?attrList?=?root.attributes();
for?(int?i?=?0...
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其他好文 时间:
2014-11-16 02:09:04
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160
Design a stack that supports push, pop, top, and retrieving the minimum element in constant time. push(x) -- Push element x onto stack. pop() -- Remov...
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其他好文 时间:
2014-11-15 23:12:56
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193