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摘要： B. Luxurious HousesThe capital of Berland has n multifloor buildings. The architect who built up the capital was very creative, so all the houses were... 阅读全文

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摘要： A. Patrick and ShoppingToday Patrick waits for a visit from his friend Spongebob. To prepare for the visit, Patrick needs to buy some goodies in two s... 阅读全文

摘要： A. DivisibilityFind the number of k-divisible numbers on the segment [a, b]. In other words you need to find the number of such integer values x that ... 阅读全文

摘要： D. Igor In the MuseumIgor is in the museum and he wants to see as many pictures as possible.Museum can be represented as a rectangular field of n × m ... 阅读全文

摘要： B. RestaurantA restaurant received n orders for the rental. Each rental order reserve the restaurant for a continuous period of time, the i-th order i... 阅读全文

摘要： C. Day at the BeachOne day Squidward, Spongebob and Patrick decided to go to the beach. Unfortunately, the weather was bad, so the friends were unable... 阅读全文

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摘要： B. Spongebob and JokeWhile Patrick was gone shopping, Spongebob decided to play a little trick on his friend. The naughty Sponge browsed through Patri... 阅读全文

摘要： A. Raising BacteriaYou are a lover of bacteria. You want to raise some bacteria in a box.Initially, the box is empty. Each morning, you can put any nu... 阅读全文