Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order.
You may assume no duplicates in the array....
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其他好文 时间：
2014-08-10 18:48:50
阅读次数：
203
A so juicy and interesting problem! Recommend to everyone!A final solution may not jump into your mind immediately, of course, DP is not a trivial top...
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其他好文 时间：
2014-08-10 15:37:00
阅读次数：
209
Given inorder and postorder traversal of a tree, construct the binary tree.
Note:
You may assume that duplicates do not exist in the tree.
给出二叉树的中序遍历和后序遍历结果，恢复出二叉树。
后序遍历序列的最后一个元素值是二叉树的根节点的值，查找...
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其他好文 时间：
2014-08-09 23:15:09
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312
Sudoku SolverWrite a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character'.'.You may assume that the...
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其他好文 时间：
2014-08-09 23:00:09
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269
During normal app use, the foreground activity is sometimes obstructed by other visual components that cause the activity to pause. For example, when a semi-transparent activity opens (such as one in the style of a dialog), the previous activity pauses. As...
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移动开发 时间：
2014-08-09 02:36:37
阅读次数：
366
There are a few scenarios in which your activity is destroyed due to normal app behavior, such as when the user presses the Back button or your activity signals its own destruction by calling finish(). The system may also destroy your activity if it's curr...
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移动开发 时间：
2014-08-09 02:35:56
阅读次数：
492
Evaluate the value of an arithmetic expression in Reverse Polish Notation.Valid operators are +, -, *, /. Each operand may be an integer or another ex...
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其他好文 时间：
2014-08-08 23:49:56
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314
Description
Given m sequences, each contains n non-negative integer. Now we may select one number from each sequence to form a sequence with m integers. It's clear that we may get n ^ m this kind o...
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其他好文 时间：
2014-08-08 16:10:06
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236
"that are all of the same length" is the key. This statement makes everything much simpler. And, please take care that L may contain duplicated string...
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其他好文 时间：
2014-08-08 15:33:46
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176
raise frompython 在3.0 之后引入了raise from 表达式： raise exception from otherexception当使用该语法时，第二个表达式指定了另一个异常类或实例，它会附加到引发异常的__cause__属性注意：python3.0不再支持raise E....
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编程语言 时间：
2014-08-07 22:42:05
阅读次数：
353
