摘要：
Silver Cow Party Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 22580 Accepted: 10333 Description One cow from each of N farms (1 ≤ N ≤ 10 阅读全文
摘要：
Six Degrees of Cowvin Bacon Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 5766 Accepted: 2712 Description The cows have been making movie 阅读全文