2017年8月5日
Periodic Strings（周期串）
摘要： A character string is said to have period k if it can be formed by concatenating one or more repetitions of another string of length k. For example, t 阅读全文
posted @ 2017-08-05 17:39 糖小俊 阅读(374) 评论(0) 推荐(0) 编辑