2017年7月21日

hdu5727

摘要: Necklace SJX has 2*N magic gems. N of them have Yin energy inside while others have Yang energy. SJX wants to make a necklace with these magic gems fo 阅读全文

posted @ 2017-07-21 16:50 远搏 阅读(124) 评论(0) 推荐(0) 编辑

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