摘要：
D - Axis-Parallel Rectangle Time limit : 2sec / Memory limit : 256MB Score : 400 points Problem Statement We have N points in a two-dimensional plane. 阅读全文
摘要：
C. The Intriguing Obsession time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output C. The Intrig 阅读全文