题目链接:HDU 1394 Minimum Inversion
Number【题意】给你一个1~N的数字组成的初始序列,然后每一次都将第一个数字移到最后,形成新的序列,然后求出这些序列的逆序数中的最小值。【思路】开始可以用任意一种方法(线段树
or 暴力 or 树状数组)计算出初始数列的逆序数sum...
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其他好文 时间:
2014-05-19 09:50:31
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282
Question 1:Given an array of integers, find two
numbers such that they add up to a specific target number.The function twoSum
should return indices of...
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其他好文 时间:
2014-05-19 09:35:41
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321
代码SELECT A.*FROM( SELECT ROW_NUMBER()
OVER(PARTITION BY Host ORDER BY Host,count(EntranceURL) DESC) AS ROW, Host,
EntranceURL as PageURL ...
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数据库 时间:
2014-05-19 09:12:59
阅读次数:
338
【题目】
Given a linked list, reverse the nodes of a linked list k at a time and return its modified list.
If the number of nodes is not a multiple of k then left-out nodes in the end should remain as it is.
You may not alter the values in the nodes, only n...
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其他好文 时间:
2014-05-18 10:22:34
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367
Wrote by mutouyun. (http://darkc.at/a-tricky-code/)
刚刚在网上闲逛,看到reddit上关于最受欢迎的代码的讨论贴,上面有一小段非常有意思的代码:
unsigned int v; // to count the number of bits set in v
unsigned int c; // c accumulates the ...
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其他好文 时间:
2014-05-18 07:44:31
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284
题目:
Given an input string, reverse the string word by word.
For example,
Given s = "the sky is blue",
return "blue is sky the".
Clarification:
What constitutes a word?
A sequence of non-spa...
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其他好文 时间:
2014-05-18 04:12:07
阅读次数:
198
Given a linked list, reverse the nodes of a
linked list k at a time and return its modified list.If the number of nodes is
not a multiple of k then le...
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其他好文 时间:
2014-05-18 01:53:53
阅读次数:
331
Given an unsorted array of integers, find the
length of the longest consecutive elements sequence.For example,Given[100, 4,
200, 1, 3, 2],The longest ...
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其他好文 时间:
2014-05-18 01:52:45
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317
控制焦点Focus on Control 的取值:Alternative
fragment(denoted “alt”) 与 if…then…else对应Option fragment (denoted “opt”) 与
Switch对应Parallel fragment (denoted “par...
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其他好文 时间:
2014-05-17 22:05:02
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298
PL/SQL 10License Number:999Password:xs374caProduct
Code:ljkfuhjpccxt8xq2re37n97595ldmv9kchSerial Number:302967
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其他好文 时间:
2014-05-17 20:38:36
阅读次数:
257