摘要: Ba Gua Zhen Problem Description During the Three-Kingdom period, there was a general named Xun Lu who belonged to Kingdom Wu. Once his troop were chas 阅读全文
posted @ 2017-04-06 19:19 meekyan 阅读(572) 评论(0) 推荐(0) 编辑
摘要: XOR Problem Description XOR is a kind of bit operator, we define that as follow: for two binary base number A and B, let C=A XOR B, then for each bit 阅读全文
posted @ 2017-04-06 17:16 meekyan 阅读(200) 评论(0) 推荐(0) 编辑
摘要: 2460: [BeiJing2011]元素 Description 相传,在远古时期,位于西方大陆的 Magic Land 上,人们已经掌握了用魔法矿石炼制法杖的技术。那时人们就认识到,一个法杖的法力取决于使用的矿石。一般地,矿石越多则法力越强,但物极必反:有时,人们为了获取更强的法力而使用了很多矿 阅读全文
posted @ 2017-04-06 16:33 meekyan 阅读(161) 评论(0) 推荐(0) 编辑