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Description Organizing a programming contest is not an easy job. To avoid making the problems too difficult, the organizer usually expect the contest 阅读全文
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Description Farmer John's N cows (1 ≤ N ≤ 100,000) share many similarities. In fact, FJ has been able to narrow down the list of features shared by hi 阅读全文
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Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true. Your progra 阅读全文
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Description In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swapping 阅读全文
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Description The Genographic Project is a research partnership between IBM and The National Geographic Society that is analyzing DNA from hundreds of t 阅读全文
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Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used t 阅读全文
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The Global Aerial Research Centre has been allotted the task of building the fifth generation of mobile phone nets in Sweden. The most striking reason 阅读全文
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Description Bessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 <= N <= 500). The grid contains 阅读全文
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Description Stockbrokers are known to overreact to rumours. You have been contracted to develop a method of spreading disinformation amongst the stock 阅读全文
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Description Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to vis 阅读全文