2018年10月28日
uvaoj455Periodic Strings(枚举)
摘要： A character string is said to have period k if it can be formed by concatenating one or more repetitionsof another string of length k. For example, th 阅读全文
posted @ 2018-10-28 00:03 柠檬加糖 阅读(224) 评论(0) 推荐(0) 编辑