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It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward that c 阅读全文
posted @ 2020-01-31 23:45
SteveYu
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To evaluate the performance of our first year CS majored students, we consider their grades of three courses only: C - C Programming Language, M - Mat 阅读全文
posted @ 2020-01-31 22:05
SteveYu
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As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some ro 阅读全文
posted @ 2020-01-31 11:58
SteveYu
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最短路径 1.概念 单源最短路径 单源最短路径实际是计算源点到其他各个顶点的最短路径的长度，常见算法有dijkstra算法 全局最短路径 全局最短路径实际是计算每个源点到其他各个顶点的最短路径的长度，我们可以调用dijkstra算法N次（这样没有Floyd算法快），常见解决全局最短路径的方法是Flo 阅读全文
posted @ 2020-01-31 04:13
SteveYu
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