2020年7月30日
[CF1353E]K-periodic Garland
摘要： 【原题】 You are given a garland consisting of nn lamps. States of the lamps are represented by the string ss of length nn. The ii-th character of the str 阅读全文
posted @ 2020-07-30 10:03 kurum! 阅读(129) 评论(0) 推荐(0)