codeforces 111B Petya and Divisors
摘要：
题目：DescriptionLittle Petya loves looking for numbers' divisors. One day Petya came across the following problem:You are givennqueries in the form "xiyi". For each query Petya should count how many divisors of numberxidivide none of the numbersxi - yi, xi - yi + 1, ..., xi - 1. Help him 阅读全文
posted @ 2013-12-05 22:00 uestc小田 阅读(244) 评论(0) 推荐(0) 编辑
