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出处：http://www.cnblogs.com/wuyiqi/archive/2012/01/06/2314078.html kmp next函数 kmp的周期问题，深入了解kmp中next的原理----------------------------------------------k m x j i由上，next【i】=j，两段红色的字符串相等（两个字符串完全相等），s[k....j]==s[m....i]设s[x...j]=s[j....i](xj=ji)则可得，以下简写字符串表达方式kj=kx+xj;mi=mj+ji;因为xj=ji，所以kx=mj，如下图... 阅读全文
摘要：
题目：Cyclic NacklaceTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1892Accepted Submission(s): 830Problem DescriptionCC always becomes very depressed at the end of this month, he has checked his credit card yesterday, without any surprise, there are 阅读全文