摘要:
www.cnblogs.com/shaokele/ luoguP2742 二维凸包 / 圈奶牛Fencing the Cows Time Limit: 1 Sec Memory Limit: 128 MB Description 农夫约翰想要建造一个围栏用来围住他的奶牛,可是他资金匮乏。他建造的围栏 阅读全文
摘要:
www.cnblogs.com/shaokele/ AtCoder Grand Contest 025 Problem D Time Limit: 2 Sec Memory Limit: 1024 MB Description Takahashi is doing a research on set 阅读全文