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posted @ 2017-08-08 17:20
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Ivan had string s consisting of small English letters. However, his friend Julia decided to make fun of him and hid the string s. Ivan preferred makin 阅读全文
posted @ 2017-08-08 17:16
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Polycarp has a checkered sheet of paper of size n × m. Polycarp painted some of cells with black, the others remained white. Inspired by Malevich's "B 阅读全文
posted @ 2017-08-08 17:14
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In a small restaurant there are a tables for one person and b tables for two persons. It it known that n groups of people come today, each consisting 阅读全文
posted @ 2017-08-08 17:13
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Erelong Leha was bored by calculating of the greatest common divisor of two factorials. Therefore he decided to solve some crosswords. It's well known 阅读全文
posted @ 2017-08-08 17:10
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Holidays have finished. Thanks to the help of the hacker Leha, Noora managed to enter the university of her dreams which is located in a town Pavlopol 阅读全文
posted @ 2017-08-08 17:08
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On his trip to Luxor and Aswan, Sagheer went to a Nubian market to buy some souvenirs for his friends and relatives. The market has some strange rules 阅读全文
posted @ 2017-08-08 17:06
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该文被密码保护。 阅读全文
posted @ 2017-08-08 17:05
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Sagheer is walking in the street when he comes to an intersection of two roads. Each road can be represented as two parts where each part has 3 lanes 阅读全文
posted @ 2017-08-08 16:58
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Vladik had started reading a complicated book about algorithms containing n pages. To improve understanding of what is written, his friends advised hi 阅读全文
posted @ 2017-08-08 16:57
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