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Problem DescriptionTeacher Mai is in a maze with n rows and m columns. There is a non-negative number in each cell. Teacher Mai wants ... 阅读全文
posted @ 2015-08-18 21:16
Herumw
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Problem DescriptionTina Town is a friendly place. People there care about each other.Tina has a ball called zball. Zball is magic. It ... 阅读全文
posted @ 2015-08-18 10:52
Herumw
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