摘要：
题目链接： "http://poj.org/problem?id=1170" Shopping Offers Time Limit: 1000MSMemory Limit: 10000K 问题描述 In a shop each kind of product has a price. For exa 阅读全文
摘要：
题目链接： "http://acm.whu.edu.cn/land/problem/detail?problem_id=1538" Problem 1538 B Stones II Time Limit: 1000MSMemory Limit: 65536KB 问题描述 Xiaoming took 阅读全文