Given two strings A and B, find the minimum number of times A has to be repeated such that B is a substring of it. If no such solution, return -1. For example, with A = "abcd" and B = "cdabcdab".
定义一个函数,该函数将一个单词,m,n 个值作为参数。 如果 M 大于字长。将 m 值设置为等于单词长度 ...
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