Q&A와 스터디
![[레벨:2]](http://old.lameproof.com/modules/point/icons/default/2.gif "포인트:658point (66%), 레벨:2/30"){kind=icon}
DeathMage다이나믹 프로그래밍 기법의 LCS 문제중 되추적 방법에 대한 질문입니다.
일단 LCS 테이블은 만들어졌는데, 이게 답이 하나면 쉬운데 답이 여러개일때가 문제가 됩니다.
예를들어서 가장 긴 수열이 5인데 그에 따른 답이 3개라던가.. 하는 식으로요.
http://en.wikipedia.org/wiki/Longest_common_subsequence_problem#Code_for_the_dynamic_programming_solution
여기에 있는 의사코드(Reading out all LCSs)가 참조가 될꺼 같은데 봐도 무슨소린지 모르겠네요. R은 왜 있는건지;;
즉, 가장 긴 수열의 답이 몇개가 될 수 있는가를 구하고 싶습니다.
손으로는 풀 수 있는데 코드로 표현이 안되네요;;
일단 LCS 테이블은 만들어졌는데, 이게 답이 하나면 쉬운데 답이 여러개일때가 문제가 됩니다.
예를들어서 가장 긴 수열이 5인데 그에 따른 답이 3개라던가.. 하는 식으로요.
http://en.wikipedia.org/wiki/Longest_common_subsequence_problem#Code_for_the_dynamic_programming_solution
여기에 있는 의사코드(Reading out all LCSs)가 참조가 될꺼 같은데 봐도 무슨소린지 모르겠네요. R은 왜 있는건지;;
즉, 가장 긴 수열의 답이 몇개가 될 수 있는가를 구하고 싶습니다.
손으로는 풀 수 있는데 코드로 표현이 안되네요;;
![[레벨:3]](http://old.lameproof.com/modules/point/icons/default/3.gif "포인트:962point (24%), 레벨:3/30"){kind=icon}
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