Given preorder and inorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.方法一：最先想到的就是递归，注...
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其他好文 时间：
2014-07-10 09:58:40
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224
Given inorder and postorder traversal of a tree, construct the binary tree.Note:You may assume that duplicates do not exist in the tree.方法：在inorder中寻找...
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其他好文 时间：
2014-07-07 23:18:53
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283
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：
2014-07-01 15:22:44
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140
Sorted Array：Given two sorted integer arrays A and B, merge B into A as one sorted array.Note:You may assume that A has enough space (size that is gre...
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其他好文 时间：
2014-07-01 12:51:53
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202
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
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其他好文 时间：
2014-06-30 22:43:45
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294
Longest Palindromic SubstringGiven a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there...
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其他好文 时间：
2014-06-30 13:21:00
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202
var indexOfSorted = function f(arr,n){
//assume : arr has been sorted
var low = 0;
var high = arr.length - 1;
var mid = (low + high) / 2;
while(high - low > 1){
if(n == arr[low]){return low...
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Web程序 时间：
2014-06-30 08:54:10
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978
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
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其他好文 时间：
2014-06-29 20:28:58
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183
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 only nodes with keys less than the node's key....
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其他好文 时间：
2014-06-27 09:15:12
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196
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 be only one unique solution.
...
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其他好文 时间：
2014-06-27 07:06:50
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184
