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HDU 3172 Virtual Friends（并查集）
摘要：Virtual FriendsTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1629Accepted Submission(s): 472Problem DescriptionThese days, you can do all sorts of things online. For example, you can use various websites to make virtual friends. For some people,. 阅读全文
posted @ 2012-08-15 20:13 Suhx 阅读(1281) 评论(1) 推荐(1)