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There are N kangaroos going out to eat at an Indian restaurant. The ith kangaroo wants to eat exactly xi food. The kangaroos all want ... 阅读全文
posted @ 2018-04-22 16:39
～～zcy
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Physics cat likes to draw shapes and figure out their area. He starts by drawing a circle. Then inside the circle, he draws the triang... 阅读全文
posted @ 2018-04-22 15:54
～～zcy
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in a magical forest, there exists N bamboos that don't quite get cut down the way you would expect.Originally, the height of the ith b... 阅读全文
posted @ 2018-04-22 15:50
～～zcy
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