摘要：
1148: ACM ranking rules 题目描述 ACM contests, like the one you are participating in, are hosted by the special software. That software, among other funct 阅读全文
摘要：
A - Rating Goal Time limit : 2sec / Memory limit : 256MB Score : 100 points Problem Statement Takahashi is a user of a site that hosts programming con 阅读全文
摘要：
A - Rotation Time limit : 2sec / Memory limit : 256MB Score : 100 points Problem Statement You are given a grid with 2 rows and 3 columns of squares. 阅读全文