2019年5月7日
HDU 3709 数位dp
摘要： A balanced number is a non-negative integer that can be balanced if a pivot is placed at some digit. More specifically, imagine each digit as a box wi 阅读全文
posted @ 2019-05-07 15:18 kongbb 阅读(100) 评论(0) 推荐(0) 编辑