Given a collection of numbers that might contain duplicates, return all possible unique permutations.
For example,
[1,1,2] have
the following unique permutations:
[1,1,2], [1,2,1],
and [2,1...
分类：
其他好文 时间：
2014-08-11 17:49:32
阅读次数：
201
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....
分类：
其他好文 时间：
2014-08-10 18:48:50
阅读次数：
203
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...
分类：
其他好文 时间：
2014-08-09 23:15:09
阅读次数：
312
Follow up for "Search in Rotated Sorted Array":
What if duplicates are allowed?
Would this affect the run-time complexity? How and why?
Write a function to determine if a given target is in the...
分类：
其他好文 时间：
2014-08-09 11:38:57
阅读次数：
147
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...
分类：
其他好文 时间：
2014-08-08 23:52:12
阅读次数：
238
题目：Given a collection of numbers that might contain duplicates, return all possible unique permutations.For example,[1,1,2] have the following unique....
分类：
编程语言 时间：
2014-08-08 01:54:55
阅读次数：
292
问题：消除数组中重复次数超过三次的多余的数分析：若ai-1==ai-2若ai也相等，则清楚aiclass Solution {public: int removeDuplicates(int A[], int n) { int i,j; for(i=2;i<n;i+...
分类：
其他好文 时间：
2014-08-06 21:41:52
阅读次数：
199
Evaluate Reverse Polish NotationEvaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may ...
分类：
其他好文 时间：
2014-08-05 10:57:19
阅读次数：
184
Follow up for "Remove Duplicates": What if duplicates are allowed at most twice?For example, Given sorted array A = [1,1,1,2,2,3],Your function should...
分类：
其他好文 时间：
2014-08-05 00:24:38
阅读次数：
281
Given preorder and inorder traversal of a tree, construct the binary tree.Note: You may assume that duplicates do not exist in the tree./** * Definiti...
分类：
其他好文 时间：
2014-08-05 00:01:38
阅读次数：
271
