摘要：
题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1159Common SubsequenceTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 18201Accepted Submission(s): 7697Problem DescriptionA subsequence of a given sequence is the given sequence with some elements (pos 阅读全文