摘要：
Legal or NotTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1529 Accepted Submission(s): 647Problem DescriptionACM-DIY is a large QQ group where many excellent acmers get together. It is so harmonious that just like a big family. Every day,many &q 阅读全文
posted @ 2011-10-18 19:39
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