摘要：
题目链接： https://cn.vjudge.net/problem/UVA-10562 Professor Homer has been reported missing. We suspect that his recent research works might have had some 阅读全文
摘要：
题目链接： https://cn.vjudge.net/problem/UVA-10129 Some of the secret doors contain a very interesting word puzzle. The team of archaeologists has to solve 阅读全文