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DP应该不是吧，只能算是回溯，因为没有办法保存中间过程。In Reply To:第一次自己完整尝试写ＤＰ＋回朔，发现很快就能搞定了．．可能只是因为这题太简单了．．． Posted by:mayp at 2007-03-14 22:52:58 Followed by: Post your reply here: |
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