POJ2127 给定两个 整数序列,求LCIS(最长公共上升子序列) dp[i][j]表示A的A[1.....i]与B[1.....j]的以B[j]为结尾的LCIS. 转移方程很简单 当A[i]!=B[j] dp[i][j]=dp[i-1][j] else dp[i][j]=max(dp[i][k]+1) k<j A[i]>B[k] 朴素实现O(n^3) 通过标记最大值的方法可以优化到O(n^2) 代码很简单 #include<stdio.h> #include<stdlib…

题目链接: 题目 Greatest Common Increasing Subsequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) 问题描述 This is a problem from ZOJ 2432.To make it easyer,you just need output the length of the subsequence. 输入 Each sequen…

题目地址:http://poj.org/problem?id=2127 Description You are given two sequences of integer numbers. Write a program to determine their common increasing subsequence of maximal possible length. Sequence S1 , S2 , . . . , SN of length N is called an increa…

题目地址:http://acm.hdu.edu.cn/showproblem.php?pid=1423 Problem Description This is a problem from ZOJ 2432.To make it easyer,you just need output the length of the subsequence.   Input Each sequence is described with M - its length (1 <= M <= 500) and…

Greatest Common Increasing Subsequence 题目链接:http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=1432 题目大意:给出两串数字,求他们的最长公共上升子序列(LCIS),并且打印出来. Sample Input 1 51 4 2 5 -124-12 1 2 4 Sample Output 21 4 分析:神奇就神奇在是LIS与LCS的组合 令dp[i][j]表示A串的前i个,与B串的前j…

HDU 1423 Greatest Common Increasing Subsequence(最长公共上升LCIS) http://acm.hdu.edu.cn/showproblem.php?pid=1423 题意: 给你两个数字组成的串a和b,要你求出它们的最长公共严格递增子序列的长度(LCIS). 分析: 首先我们令f[i][j]==x表示是a串的前i个字符与b串的前j个字符构成的且以b[j]结尾的LCIS长度. 当a[i]!=b[j]时:        f[i][j]=f[i-1][j…

Problem Description This is a problem from ZOJ 2432.To make it easyer,you just need output the length of the subsequence.   Input Each sequence is described with M - its length (1 <= M <= 500) and M integer numbers Ai (-2^31 <= Ai < 2^31) - th…

Greatest Common Increasing Subsequence Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3649    Accepted Submission(s): 1147 Problem Description This is a problem from ZOJ 2432.To make it easyer,…

You are given two sequences of integer numbers. Write a program to determine their common increasing subsequence of maximal possible length. Sequence S1, S2, ..., SN of length N is called an increasing subsequence of a sequence A1, A2, ..., AM of len…

Greatest Common Increasing Subsequence Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3460    Accepted Submission(s): 1092 Problem Description This is a problem from ZOJ 2432.To make it easyer,…