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Problem description One day Ms Swan bought an orange in a shop. The orange consisted of n·k segments, numbered with integers from 1 to n·k. There were 阅读全文
posted @ 2018-06-08 23:26
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Problem description Dima loves representing an odd number as the sum of multiple primes, and Lisa loves it when there are at most three primes. Help t 阅读全文
posted @ 2018-06-08 22:48
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Problem description Hooray! Berl II, the king of Berland is making a knight tournament. The king has already sent the message to all knights in the ki 阅读全文
posted @ 2018-06-08 20:48
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Problem description In the evening, after the contest Ilya was bored, and he really felt like maximizing. He remembered that he had a set of n sticks 阅读全文
posted @ 2018-06-08 20:01
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Problem description SmallR is an archer. SmallR is taking a match of archer with Zanoes. They try to shoot in the target in turns, and SmallR shoots f 阅读全文
posted @ 2018-06-08 19:28
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Problem description The weather is fine today and hence it's high time to climb the nearby pine and enjoy the landscape. The pine's trunk includes sev 阅读全文
posted @ 2018-06-08 17:45
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Problem description After winning gold and silver in IOI 2014, Akshat and Malvika want to have some fun. Now they are playing a game on a grid made of 阅读全文
posted @ 2018-06-08 17:16
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Problem description Being a nonconformist, Volodya is displeased with the current state of things, particularly with the order of natural numbers (nat 阅读全文
posted @ 2018-06-08 17:09
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Problem description Vasya works as a DJ in the best Berland nightclub, and he often uses dubstep music in his performance. Recently, he has decided to 阅读全文
posted @ 2018-06-08 16:38
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