2016年2月29日
codeforces 633D - Fibonacci-ish 离散化 + 二分查询
摘要： Fibonacci-ish Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if the sequence co 阅读全文
posted @ 2016-02-29 12:54 hxer 阅读(423) 评论(0) 推荐(0) 编辑