题目Write a SQL query to rank scores. If there is a tie between two scores, both should have the same ranking. Note that after a tie, the next ranking number should be the next consecutive integer value....
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其他好文 时间:
2015-04-21 18:05:04
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182
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 the two nu...
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其他好文 时间:
2015-04-21 12:45:40
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168
Given a range [m, n] where 0
For example, given the range [5, 7], you should return 4.
Credits:
Special thanks to @amrsaqr for adding this problem and creating all test cases.
code is...
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编程语言 时间:
2015-04-21 09:43:12
阅读次数:
188
Given a range [m, n] where 0
For example, given the range [5, 7], you should return 4.
思路:第一个思路肯定是从第一个数开始按位与,但是这样的复杂度太高,开始有新的改进,如果这个范围内有2的幂,那么从这个开始按位或即可,这个2的幂要紧挨着n,如果发现这个2的幂次小于m,那么仍然从这个范围开始安装或。
in...
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其他好文 时间:
2015-04-21 09:42:43
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120
TheLanguage levelsetting sets which features the code assistance in the editor should support. For example, if you're using JDK 1.7 but want your code...
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其他好文 时间:
2015-04-20 22:27:19
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146
Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list as2->1->4->3.Your algor...
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其他好文 时间:
2015-04-20 16:38:34
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116
Given a range [m, n] where 0
For example, given the range [5, 7], you should return 4
题意:求[m,n]之间所有数的按位与
初看之下,觉得太简单不过了,直接依次遍历
public class Solution {
public int rangeBitwiseAnd(int m,...
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其他好文 时间:
2015-04-20 11:21:01
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585
译文:对比MySQL,你究竟在什么时候更需要MongoDB原文链接:When Should I Use MongoDB rather than MySQL (or other RDBMS): The Billing Example(编译/仲浩 审校/毛梦琪)【编者按】随着数据的爆发性增长,NoSQL...
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数据库 时间:
2015-04-20 01:44:27
阅读次数:
174
Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x.
You should preserve the original relative order of the nodes in each of...
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其他好文 时间:
2015-04-19 17:56:02
阅读次数:
131
a is the array name.&a is the ponit of 2-D array which contains a[5].the type of &a should be int (*)[5]. oh what is int(*)5.............................
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其他好文 时间:
2015-04-19 17:52:04
阅读次数:
166