【题目】
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 return length = 5, and A is now [1,1,2,2,3].
【题意】
给定一个有序数组,给数组去重,和Remove Duplicates from...
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其他好文 时间:
2014-06-03 05:36:24
阅读次数:
219
【题目】
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 array.
【题意】
在“Search in Rotated Sorted Array”的基...
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其他好文 时间:
2014-06-03 01:55:38
阅读次数:
173
[问题2014S15] 设 \(O\) 为 \(n\)
阶正交阵,\(A=\mathrm{diag}\{a_1,a_2,\cdots,a_n\}\) 为实对角阵, 证明: 方阵 \(OA\) 的特征值
\(\lambda_j\) 适合不等式: \[m\leq |\lambda_j|\leq M,\,...
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其他好文 时间:
2014-06-02 20:45:15
阅读次数:
246
【题目】
Given n, generate all structurally unique BST's (binary search trees) that store values 1...n.
For example,
Given n = 3, your program should return all 5 unique BST's shown below.
1 3 3 2 1
\ / / / \ ...
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其他好文 时间:
2014-06-01 15:33:45
阅读次数:
297
title:
The sequence of triangle numbers is generated by adding the natural numbers. So the 7th triangle number would be 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28. The first ten terms would be:
1, 3, 6, 10,...
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其他好文 时间:
2014-06-01 10:31:26
阅读次数:
233
***************************************************************************************************************************
作者:EasyWave 时间:2014.05.31
类别:μC/OS-II-操作系统...
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其他好文 时间:
2014-06-01 09:39:49
阅读次数:
356
***************************************************************************************************************************
作者:EasyWave 时间:2014.05.31...
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其他好文 时间:
2014-06-01 09:13:14
阅读次数:
258
***************************************************************************************************************************
作者:EasyWave 时间:2014.05.31...
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其他好文 时间:
2014-06-01 09:07:52
阅读次数:
305
【题目】
Given a collection of integers that might contain duplicates, S, return all possible subsets.
Note:
Elements in a subset must be in non-descending order.
The solution set must not contain duplicate subsets.
For example,
If S = [1,2,2], a solution ...
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其他好文 时间:
2014-06-01 08:51:06
阅读次数:
292
【题目】
Given a sorted linked list, delete all nodes that have duplicate numbers, leaving only distinct numbers from the original list.
For example,
Given 1->2->3->3->4->4->5, return 1->2->5.
Given 1->1->1->2->3, return 2->3.
【题意】
给定一个有序链表,删出其中重复出现的值...
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其他好文 时间:
2014-05-31 21:14:11
阅读次数:
333