In this problem set, you will implement the sparse autoencoder algorithm, and show how it discovers that edges are a good representation for natural i...
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其他好文 时间:
2014-09-14 16:33:07
阅读次数:
185
java中的Colletions类主要实现列表List的排序功能。根据函数参数的传递,具体的排序可以分为 :1. 自然排序(natural ordering)。函数原型:sort(Listlist)说明:参数是要参与排序列表的List对象 ...
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编程语言 时间:
2014-09-10 08:21:30
阅读次数:
261
Description
Consider two natural numbers A and B. Let S be the sum of all natural divisors of A^B. Determine S modulo 9901 (the rest of the division of S by 9901).
Input
The only line contains the ...
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其他好文 时间:
2014-09-03 16:50:26
阅读次数:
271
A natural thought is brutal-force. But as you may have already thought of, there must be a smarter one. And yes there is.Think like this: XOR gives yo...
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其他好文 时间:
2014-08-28 13:16:19
阅读次数:
832
Description
a program that, given a natural number N between 0 and 4999 (inclusively), and M distinct decimal digits X1,X2..XM (at least one), finds the smallest strictly positive multiple of N that ...
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其他好文 时间:
2014-08-26 21:34:06
阅读次数:
342
连接可以分为内连接、外连接、交叉连接、自连接。
1. Cross join
1) 支持的数据库:ORACLE、MYSQL、SQLServer、DB2
。
2) 功能说明:交叉连接返回结果包含了所连接两表的记录两两组合。其返回结果所包含记录数为两表满足条件记录行数的乘积。CROSS JOIN
后限制条件只能用WHERE 不能用ON。
3) 底层实现和性能:CROSS...
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数据库 时间:
2014-08-26 17:25:07
阅读次数:
302
Abstract. The natural parametric equations of a curve are parametric equations that represent the curve in terms of a coordinate-independent parameter...
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其他好文 时间:
2014-08-25 22:34:44
阅读次数:
298
Consider this sequence {1, 2, 3, … , N}, as a initial sequence of firstN natural numbers. You can rearrange this sequence in many ways. Therewill be
N! different arrangements. You have to calculate t...
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其他好文 时间:
2014-08-23 15:27:01
阅读次数:
202
Sum
Time Limit: 1000MS
Memory Limit: 30000K
Total Submissions: 10160
Accepted: 6674
Description
Consider the natural numbers from 1 to N. By associating to each num...
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其他好文 时间:
2014-08-22 17:55:49
阅读次数:
179
Description
Problem E: How many 0's?
A Benedict monk No. 16 writes down the decimal representations of all natural numbers between and including
m and n, m ≤ n. How many 0's will he write down?
...
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其他好文 时间:
2014-08-20 19:42:02
阅读次数:
224