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Description An array of size n ≤ 106 is given to you. There is a sliding window of size k which is moving from the very left of the array to the very 阅读全文
posted @ 2016-05-17 12:23
Lweleth
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Description N students were invited to attend a party, every student has some friends, only if someone’s all friends attend this party, this one can a 阅读全文
posted @ 2016-05-17 12:09
Lweleth
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Description There is a river, which contains n stones from left to right. These stones are magic, each one has a magic number Ai which means if you st 阅读全文
posted @ 2016-05-17 11:09
Lweleth
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A wise man told Kerem "Different is good" once, so Kerem wants all things in his life to be different. Kerem recently got a string s consisting of low 阅读全文
posted @ 2016-05-17 10:47
Lweleth
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A. Summer Camp Every year, hundreds of people come to summer camps, they learn new algorithms and solve hard problems. This is your first year at summ 阅读全文
posted @ 2016-05-17 10:42
Lweleth
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D. Robin Hood We all know the impressive story of Robin Hood. Robin Hood uses his archery skills and his wits to steal the money from rich, and return 阅读全文
posted @ 2016-05-17 10:31
Lweleth
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