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Description Here comes the problem: Assume the sky is a flat plane. All the stars lie on it with a location (x, y). for each star, there is a grade r... 阅读全文
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Description Bessie is out in the field and wants to get back to the barn to get as much sleep as possible before Farmer John wakes her for the mor... 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 ... 阅读全文
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Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever man w... 阅读全文
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Description One cow from each of N farms (1 ≤ N ≤ 1000) conveniently numbered 1..N is going to attend the big cow party to be held at farm #X (1 ≤ ... 阅读全文
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Description Several currency exchange points are working in our city. Let us suppose that each point specializes in two particular currencies and p... 阅读全文
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Description While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a o... 阅读全文
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Description BIT has recently taken delivery of their new supercomputer, a 32 processor Apollo Odyssey distributed shared memory machine with a hie... 阅读全文
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Description N (1 ≤ N ≤ 100) cows, conveniently numbered 1..N, are participating in a programming contest. As we all know, some cows code better tha... 阅读全文
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Description Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one unit of the sam... 阅读全文