Plus One
Given a non-negative number represented as an array of digits, plus one to the number.
The digits are stored such that the most significant digit is at the head of the list.
思路：...
分类：
其他好文 时间：
2015-07-17 19:00:08
阅读次数：
134
Edit Distance
Given two words word1 and word2, find the minimum number of steps required to convert word1 to word2. (each operation is counted as 1 step.)
You have the following 3 op...
分类：
其他好文 时间：
2015-07-17 18:54:56
阅读次数：
191
Problem Definition:Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with a...
分类：
移动开发 时间：
2015-07-17 17:54:55
阅读次数：
111
错误象现：[Error] RzBorder.pas(1429): Number of elements differs from declaration[Fatal Error] RzEdit.pas(2371): Could not compile used unit 'RzBorder.pas'...
分类：
其他好文 时间：
2015-07-17 15:31:40
阅读次数：
612
Euler's Totient function, φ(n) [sometimes called the phi function], is used to determine the number
of positive numbers less than or equal to n which are relatively prime to n. For example, as 1, 2,...
分类：
其他好文 时间：
2015-07-17 14:04:42
阅读次数：
142
题目：
Validate if a given string is numeric.
Some examples:
"0" => true
" 0.1 " => true
"abc" => false
"1 a" => false
"2e10" => true
Note: It is intended for the problem statement to b...
分类：
编程语言 时间：
2015-07-17 12:10:30
阅读次数：
137
With temp As( Select ROW_NUMBER() over(partition by LogisticsPlan order by createon) rowID,ID from LogisticsPlan Where LogisticsPlan IN( 'AGD...
分类：
其他好文 时间：
2015-07-17 11:46:56
阅读次数：
116
不啰嗦，直接上图，大概实现效果如下：有上面这样一份数据，将他们按照userAccount和submitTime进行分组，然后提前每组数据的前两条记录提取后数据如下：实现的SQL如下：select t.* from(select *,row_number() over(partition by use...
分类：
数据库 时间：
2015-07-17 11:42:59
阅读次数：
162
Euler's Totient function, φ(n) [sometimes called the phi function], is used to determine the number of numbers less than n which are relatively prime to n.
For example, as 1, 2, 4, 5, 7, and 8, are ...
分类：
其他好文 时间：
2015-07-17 10:05:11
阅读次数：
174
