2015年7月18日
Light OJ 1067 Combinations (乘法逆元）
摘要： DescriptionGiven n different objects, you want to take k of them. How many ways to can do it?For example, say there are 4 items; you want to take 2 of... 阅读全文
posted @ 2015-07-18 00:09 JoneZP 阅读(247) 评论(0) 推荐(0) 编辑