题目：Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains on....
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编程语言 时间：
2014-08-04 13:57:17
阅读次数：
242
默认demo，在64bit模拟器上会link不过：target 中的 architectures 的valid architectrues里面，去掉arm64，build active architecture only： 改为no
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移动开发 时间：
2014-08-03 17:50:05
阅读次数：
342
Description
The puzzle game of Sudoku is played on a board of N2 × N2 cells. The cells are grouped in N × N squares of N × N cells each. Each cell is either empty or contains a number between
1 a...
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其他好文 时间：
2014-08-02 23:26:34
阅读次数：
344
题目：Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given "25525511135",return [....
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编程语言 时间：
2014-08-02 09:49:53
阅读次数：
287
Longest Valid ParenthesesGiven a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substr...
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其他好文 时间：
2014-08-02 04:22:40
阅读次数：
248
关键点 实现过程 voidCCreateBrushView::OnDraw(CDC*pDC) { CCreateBrushDoc*pDoc=GetDocument(); ASSERT_VALID(pDoc); //创...
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编程语言 时间：
2014-08-01 22:41:42
阅读次数：
277
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example, "A man, a plan, a canal: Pan...
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其他好文 时间：
2014-08-01 22:31:42
阅读次数：
208
Sudoku
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 13665
Accepted: 6767
Special Judge
Description
Sudoku is a very simple task. A square table with...
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其他好文 时间：
2014-08-01 19:55:52
阅读次数：
323
SudokuTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 13665Accepted: 6767Special JudgeDescriptionSudoku is a very simple task. A square table...
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其他好文 时间：
2014-08-01 19:00:32
阅读次数：
333
题目：Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character '.'.You may assume that there will ....
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编程语言 时间：
2014-08-01 10:38:21
阅读次数：
224
