两个都是最长上升子序列,所以就放一起了1631 因为长度为40000,所以要用O(nlogn)的算法,其实就是另用一个数组c来存储当前最长子序列每一位的最小值,然后二分查找当前值在其中的位置;如果当前点不能作为当前最长子序列的最大值,则更新找到值为两者间的较小值。2533 就是一个裸的最长上升子序列...
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其他好文 时间:
2014-07-30 20:13:04
阅读次数:
230
Common Subsequence
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 23108 Accepted Submission(s): 10149
Problem Description
A sub...
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其他好文 时间:
2014-07-29 17:51:27
阅读次数:
286
先上题目:SubsequenceTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4100Accepted Submission(s): 1341Pr...
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其他好文 时间:
2014-07-27 10:39:42
阅读次数:
245
-----QUESTION-----
Given a string S and a string T, count the number of distinct subsequences
of T in S.
A subsequence of a string is a new string which is formed from the original string by...
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其他好文 时间:
2014-07-26 02:10:36
阅读次数:
210
Description
There is a sequence of integers. Your task is to find the longest subsequence that satisfies the following condition: the difference between the maximum element and the minimum element ...
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其他好文 时间:
2014-07-25 11:06:41
阅读次数:
242
Problem 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, ai2, ..., aiK), where 1 <= i1 ...
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其他好文 时间:
2014-07-25 11:04:41
阅读次数:
253
Subsequence
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 8403
Accepted: 3264
Description
A sequence of N positive integers (10 < N < 100 000), each of...
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其他好文 时间:
2014-07-24 10:27:40
阅读次数:
215
http://acm.hdu.edu.cn/showproblem.php?pid=4632题意:一个字符串,有多少个subsequence是回文串。别人的题解:用dp[i][j]表示这一段里有多少个回文串,那首先dp[i][j]=dp[i+1][j]+dp[i][j-1],但是dp[i+1][j]...
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Web程序 时间:
2014-07-23 16:31:51
阅读次数:
365
Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is formed from the orig...
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其他好文 时间:
2014-07-23 12:36:06
阅读次数:
209
HDU 1159 Common Subsequence (动规)
最长公共子序列的模板题目。...
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其他好文 时间:
2014-07-22 17:58:41
阅读次数:
247