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Codeforces
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Codeforces Round 382 (Div. 2)
2016/11/28 00:35120 分钟735
Codeforces
AOstap and GrasshopperOstap and Grasshopper
800
仅原文
BUrbanizationUrbanization
1100
仅原文
CTennis ChampionshipTennis Championship
1600
仅原文
DTaxesTaxes
1600
仅原文
EOstap and TreeOstap and Tree
2500
仅原文