版权声明：原创作品，允许转载，转载时请务必以超链接形式标明文章原始出版、作者信息和本声明。否则将追究法律责任。 http://blog.csdn.net/topmvp - topmvp Electronic discovery refers to a process in which electronic data is sought, located, secured, and sear

http://acm.hdu.edu.cn/showproblem.php?pid=4189 题意说是一个数据库，有n（n<=100, 000）个甜甜圈，每个甜甜圈有两个属性l,w.  (l,w<10^9) 后面有q个询问，会输入q（q<=50, 000）个罪犯的属性l,w。然后输出每个罪犯与数据库中的资料的最小相似度。相似度是  abs(l1-l2)+abs(w1,w2)。 其实如果把属性看做

It’s easy enough to forge a signature for fraudulent purposes. However, until recently, some things—like our voices—have been distinctive and difficult to mimic. Not so in our brave new world. A new