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DescriptionBackgroundProfessor Hopper is researching the sexual behavior of a rare species of bugs. He assumes that they feature two different genders... 阅读全文
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DescriptionThe police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs in the city, Gang Dragon and Ga... 阅读全文
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DescriptionYou are given a sequence ofnintegersa1, a2, ... , anin non-decreasing order. In addition to that, you are given several queries consisting ... 阅读全文
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DescriptionFor the daily milking, Farmer John'sNcows (1 ≤N≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game o... 阅读全文
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DescriptionThere is an apple tree outside of kaka's house. Every autumn, a lot of apples will grow in the tree. Kaka likes apple very much, so he has ... 阅读全文
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DescriptionAstronomers often examine star maps where stars are represented by points on a plane and each star has Cartesian coordinates. Let the level... 阅读全文
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DescriptionThe little cat takes over the management of a new park. There is a large circular statue in the center of the park, surrounded by N pots of... 阅读全文
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DescriptionSuppose that the fourth generation mobile phone base stations in the Tampere area operate as follows. The area is divided into squares. The... 阅读全文