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Re:多谢xiaomi有点疑惑In Reply To:多谢xiaomi有点疑惑 Posted by:first at 2003-11-26 21:25:53 就是比如原来可以用8和2拼成10 而6和2可以拼成8 所以6 2 2也是合理的 但是由于6和2拼出来的8在前面肯定已经做过了，也就是肯定覆盖现在的情况了，所以当看到6和2拼出8的时候，就可以不用往后做了，这个剪枝在这个问题中比较有效 Followed by: Post your reply here: |
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