2015年11月6日
hdu 2438
摘要： Problem Description Mr. West bought a new car! So he is travelling around the city. One day he comes to a vertical corner. The street he is curre... 阅读全文
posted @ 2015-11-06 18:00 (慎独) 阅读(298) 评论(0) 推荐(0) 编辑