最长公共子序列(LCS) 代码(C)
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题目: 给定两个字符串s,t, 求出这两个字符串最长的公共子序列的长度. 字符串的子序列并一定要连续, 能够包含间隔.
即最长公共子序列问题(LCS, Longest Common Subsequence)
使用动态规划, 假设字符相等, 两个字符串就依次递增一位, 一直到字符串的结尾.
代码:
/* * main.cpp * * Created on: 2014.7.17 * Author: spike *//*eclipse cdt, gcc 4.8.1*/#include#include #include #include #include #include using namespace std;class Program { static const int MAX_N = 100; int n=4, m=4; char s[MAX_N] = "abcd", t[MAX_N] = "becd"; int dp[MAX_N+1][MAX_N+1];public: void solve() { for (int i=0; i
输出:
result = 3