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请教

Posted by GLS at 2009-02-24 09:51:05 on Problem 2264
我超时了。
我的思路是:求最长公共子序列,倒推标记路径,将两序列中依序出现的字符标记,依次打印两序列标记字符前的字符。
谁有好的思路,请赐教!!

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