一.最长公共子序列问题(LCS问题) 给定两个字符串A和B,长度分别为m和n,要求找出它们最长的公共子序列,并返回其长度.例如: A = "HelloWorld" B = "loop" 则A与B的最长公共子序列为 "loo",返回的长度为3.此处只给出动态规划的解法:定义子问题dp[i][j]为字符串A的第一个字符到第 i 个字符串和字符串B的第一个字符到第 j 个字符的最长公共子序列,如A为“app”,B为“apple”,dp[2][3]…
Common Subsequence Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 55301 Accepted Submission(s): 25537 Problem Description A subsequence of a given sequence is the given sequence with some el…
Problem Description A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = <x1, x2, ..., xm> another sequence Z = <z1, z2, ..., zk> is a subsequence of X if there exists a stri…
http://acm.hust.edu.cn/vjudge/contest/view.action?cid=74662#problem/C A B C D E C - Largest Rectangle in a Histogram Time Limit:3000MS Memory Limit:0KB 64bit IO Format:%lld & %llu Submit Status Practice UVA 111 Description Background Many…
题目描述: Find a longest common subsequence of two strings. 输入: First and second line of each input case contain two strings of lowercase character a…z. There are no spaces before, inside or after the strings. Lengths of strings do not exceed 100. 输出: Fo…