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Vova promised himself that he would never play computer games... But recently Firestorm — a well-known game developing company — publi... 阅读全文
posted @ 2019-01-18 13:56
black_hole6
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A company has n employees numbered from 1 to n. Each employee either has no immediate manager or exactly one immediate manager, who is... 阅读全文
posted @ 2019-01-18 11:48
black_hole6
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An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with the lap comput... 阅读全文
posted @ 2019-01-18 10:55
black_hole6
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