摘要：
Lotto Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6806 Accepted: 4298 Description In the German Lotto you have to select 6 numbers from 阅读全文
摘要：
Calling Extraterrestrial Intelligence Again Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11211 Accepted: 4356 Description A message from 阅读全文
摘要：
Color Me Less Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 33007 Accepted: 16050 Description A color reduction is a mapping from a set o 阅读全文