摘要：
Lucy likes letters. She studied the definition of the lexicographical order at school and plays with it. At first, she tried to construct the lexicogr 阅读全文
posted @ 2020-09-04 17:18
Anticlock
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Byteburg Senate elections are coming. Usually "United Byteland", the ruling Byteland party, takes all the seats in the Senate to ensure stability and 阅读全文
posted @ 2020-09-04 14:36
Anticlock
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Balph is learning to play a game called Buma. In this game, he is given a row of colored balls. He has to choose the color of one new ball and the pla 阅读全文
posted @ 2020-09-04 12:20
Anticlock
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