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Posted by hawk at 2004-04-22 12:30:17 on Problem 1646
In Reply To:对此题TLE无数次的总结: Posted by:rruucc at 2004-04-22 02:16:33 
> 1。相信库函数，不管它用的是什么算法它就是比你写的函数快（据说strstr(a,b)不是用KMP写的，不过就是比我的KMP快很多）
> 2。避免重复操作
> 3。尽量用“++”这样有寄存器指令可以直接完成的运算
> 4。避免不同数据类型的转换
> 5。收获：练习了一次KMP :>
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