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H - Imperishable NightAfter coding so many days,Mr Acmer wants to have a good rest.So travelling is the best choice!He has decide... 阅读全文
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G - Corn FieldsFarmer John has purchased a lush new rectangular pasture composed of M by N (1 ≤ M≤ 12; 1 ≤ N ≤ 12) square parcels... 阅读全文
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E - Mondriaan’s DreamSquares and rectangles fascinated the famous Dutch painter Piet Mondriaan. One night, after producing the dr... 阅读全文
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D - Relocationmma and Eric are moving to their new house they bought after returning from their honeymoon. Fortunately, they have... 阅读全文
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A - LianLianKanI like playing game with my friend, although sometimes looks pretty naive. Today I invent a new game called LianLi... 阅读全文