摘要：
题目链接： http://codeforces.com/problemset/problem/533/B B. Work Group time limit per test2 secondsmemory limit per test256 megabytes 问题描述 One Big Softwar 阅读全文
摘要：
题目链接： "http://codeforces.com/problemset/problem/522/D" D. Closest Equals time limit per test3 secondsmemory limit per test256 megabytes 问题描述 You are g 阅读全文
摘要：
题目链接： "http://codeforces.com/problemset/problem/292/E" E. Copying Data time limit per test2 secondsmemory limit per test256 megabytes 问题描述 We often ha 阅读全文