2020年2月6日
HDU-4352 （数位dp）
摘要： For example, when she see a number, she would think whether the digits of a number are strictly increasing. If you consider the number as a string and 阅读全文
posted @ 2020-02-06 17:31 FZU_LH 阅读(268) 评论(0) 推荐(0)