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题目： Mars was the first planet colonized by humans. After a long terraforming process its appearance has changed completely. From the red desert it has 阅读全文
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题目： Nowadays spaceships are never launched from the Earth's surface. There is a huge spaceport placed in the geostationary orbit and connected to the 阅读全文
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While some people travel in space from planet to planet and discover new worlds, the others who live on Earth still have to get up in the morning, go 阅读全文
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地址：http://poj.org/problem?id=1755 题目： Triathlon Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 6931 Accepted: 1797 Description Triathlon i 阅读全文