摘要：
Prime Distance Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 20709 Accepted: 5563 Description The branch of mathematics called number the 阅读全文
摘要：
Help Hanzo Amakusa, the evil spiritual leader has captured the beautiful princess Nakururu. The reason behind this is he had a little problem with Han 阅读全文
摘要：
Yu Zhou likes to play Go with Su Lu. From the historical research, we found that there are much difference on the rules between ancient go and modern 阅读全文