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hdu5696区间的价值 -- 2016"百度之星" - 初赛（Astar Round2B） Square Root of Permutation - CF612E Kingdom and its Cities - CF613D Skills - CF613B Necklace - CF613C Vika and Segments - CF610D Apple - Hdu5160
hdu5696区间的价值 -- 2016"百度之星" - 初赛（Astar Round2B）
Square Root of Permutation - CF612E
Kingdom and its Cities - CF613D
Skills - CF613B
Necklace - CF613C
Vika and Segments - CF610D
Apple - Hdu5160