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Distinct Subsequences 解题报告
题目:给两个字符串S和T,判断T在S中出现的次数。 A subsequence of a string is a new string which is formed from the original string by deleting some (can be none) of the characters without disturbing the relative positions of the remaining characters. (ie, "ACE" is a subsequence...
分类:其他好文   时间:2014-10-19 17:09:51    阅读次数:190
POJ 2533 Longest Ordered Subsequence(dp LIS)
Language: Default Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 33986   Accepted: 14892 Description A numeric sequence of a...
分类:其他好文   时间:2014-10-19 11:38:30    阅读次数:249
SPOJ 705 New Distinct Substrings
New Distinct SubstringsTime Limit: 2000msMemory Limit: 262144KBThis problem will be judged onSPOJ. Original ID:SUBST164-bit integer IO format:%lld Jav...
分类:其他好文   时间:2014-10-18 23:41:43    阅读次数:283
POJ 1458 Common Subsequence
题意:求LCS Sol:经典的 LCS。 if ( i==0  || j==0 )  dp [ i , j ] = 0 ; else if ( X[ i ] == Y [  j ] ) dp [ i-1 , j-1 ] + 1; else dp [ i, j ] = max  (  dp[ i - 1 , j ] , dp [ i ,  j-1 ] )  #include #i...
分类:其他好文   时间:2014-10-18 21:01:51    阅读次数:203
[Leetcode] N-Queens II
Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions.Solution:N-Queens 问题的简化版。pu...
分类:其他好文   时间:2014-10-18 07:32:25    阅读次数:159
SQL操作语句中的注意点
一 查询语句 1 distinct关键字消除重复行 当查询的结果数据中出现重复数据时,在查询条件中加上distinct关键字消除重复行; 如:select distinct Sno from SC; 2 like匹配的通配符%和_ % :代表任意长度(包括0)的字符串,例如:like'a%b',表示以a开头,以b结尾的任意长度的字符串; _ :代表任意单个字符,注意数据库的字符集为AS...
分类:数据库   时间:2014-10-17 23:26:29    阅读次数:228
LeetCode-Subsets ZZ
LeetCode:SubsetsGiven a set of distinct integers,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The solution...
分类:其他好文   时间:2014-10-17 10:27:24    阅读次数:293
poj2533--Longest Ordered Subsequence(dp:最长上升子序列)
Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 33943   Accepted: 14871 Description A numeric sequence of ai is ordered if a1  a2  ...
分类:其他好文   时间:2014-10-16 19:38:32    阅读次数:209
hdu 1159(Common Subsequence)简单dp,求出最大的公共的字符数
Common Subsequence Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 23923    Accepted Submission(s): 10567 Problem Description A sub...
分类:其他好文   时间:2014-10-16 18:39:22    阅读次数:231
hdu1423||hdu4512--LCIS--try
要学的 太多了.学到的 都是有用的 即便你不会在比赛中遇到这个类型的 但是开拓了你的思维这2题 都是LCIS-Longest Common Increase Subsequence我是在这边学习的 传送这篇写的很好.我觉得对于4512要好好理解下啊 我想了好久 太白痴了....注意下 数组的对称性1...
分类:其他好文   时间:2014-10-16 18:26:32    阅读次数:338
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