Common Subsequence

http://acm.hdu.edu.cn/showproblem.php?pid=1159

View Code 
 1 #include<iostream>
 2 #include<cstring>
 3 using namespace std ;
 4 char str1[10000] ;
 5 char str2[10000] ;
 6 int c[10000][10000] ;
 7 int main()
 8 {
 9     int len1, len2, i, j ;
10     while(cin>>str1>>str2)
11     {
12         len1 = strlen(str1) ;
13         len2 = strlen(str2) ;
14         for(i=0; i<len1; i++)
15         c[i][0] = 0 ;
16         for(j=0; j<len2; j++)
17         c[0][j] = 0 ;
18         for(i=1; i<len1+1; i++)
19         for(j=1; j<len2+1; j++)
20         {
21             if(str1[i-1]==str2[j-1])
22             c[i][j] = c[i-1][j-1] + 1 ;
23             else c[i][j] = c[i][j-1]>c[i-1][j]?c[i][j-1]:c[i-1][j] ;
24         }
25         cout<<c[len1][len2]<<endl ;
26     }
27     return 0 ;
28 }

 

posted @ 2013-01-30 19:57  yelan@yelan  阅读(157)  评论(0)  编辑  收藏  举报