Problem Description
Number theory is interesting, while this problem is boring.
Here is the problem. Given an integer sequence a1, a2, …, an, let S(i) = {j|1j is a multiple of ai}. If S(i) is no...
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其他好文 时间:
2014-08-20 16:34:02
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184
解法一:通过遍历得到(0:i)的LIS,时间复杂度O(N^2);具体思路于代码,如下: 1 #include 2 #include 3 using namespace std; 4 5 int longSub(int arr[],int n); 6 7 int main() 8 { 9 ...
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其他好文 时间:
2014-08-20 15:44:12
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147
1、select seq_name.nextval from dual; //假设得到结果56562、alter sequence seq_name increment by -5655; //注意是-(n-1)3、select seq_name.nextval from dual;//再查一遍,走...
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数据库 时间:
2014-08-20 15:41:12
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271
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:
2014-08-20 14:01:12
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184
操作
Change operations:
0 a b change all characters into '0's in [a , b]
1 a b change all characters into '1's in [a , b]
2 a b change all '0's into '1's and change all '1's into '0's in [a, b]
Out...
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其他好文 时间:
2014-08-20 12:36:52
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392
Problem Description
Number theory is interesting, while this problem is boring.
Here is the problem. Given an integer sequence a1, a2, …, an, let S(i) = {j|1j is a multiple of ai}. If S(i) is not ...
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其他好文 时间:
2014-08-20 00:07:25
阅读次数:
210
The set [1,2,3,…,n] contains a total
of n! unique permutations.
By listing and labeling all of the permutations in order,
We get the following sequence (ie, for n = 3):
"123""132""213""231""3...
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其他好文 时间:
2014-08-19 22:34:25
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288
Number SequenceTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 104190Accepted Submission(s): 25232...
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其他好文 时间:
2014-08-19 20:29:45
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222
题目:poj 1458 Common Subsequence
Description
A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = another sequence Z = is a...
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其他好文 时间:
2014-08-19 19:04:25
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182
题目:POJ 2533 Longest Ordered Subsequence
Description
A numeric sequence of ai is ordered if a1 a2 aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN)
be any sequence (ai1...
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其他好文 时间:
2014-08-19 16:37:44
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218