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B. Approximating a Constant Range When Xellos was doing a practice course in university, he once had to measure the intensity of an effect that slowly 阅读全文
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D. Spongebob and Squares Spongebob is already tired trying to reason his weird actions and calculations, so he simply asked you to find all pairs of n 阅读全文
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C. Day at the Beach One day Squidward, Spongebob and Patrick decided to go to the beach. Unfortunately, the weather was bad, so the friends were unabl 阅读全文
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There is an ant named Alice. Alice likes going hiking very much. Today, she wants to climb a cuboid. The length of cuboid's longest edge is n, and the 阅读全文
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You are given a simple task. Given a sequence A[i] with N numbers. You have to perform Q operations on the given sequence. Here are the operations: A 阅读全文