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【POJ】[3026]Borg Maze

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【POJ】[1258]Agri-Net

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【POJ】[1751]Highways

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【POJ】[2349]Arctic Network

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【POJ】[1789]Truck History

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【ZOJ】[1586]QS Network

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【POJ】[2421]Constructing Roads

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【POJ】[2031]Building a Space Station

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【POJ】[1287]Networking

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【杭电】[1875]畅通工程再续

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【杭电】[1251]Jungle Roads

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【杭电】[1233]还是畅通工程

知识汇总

最小生成树——所有点成树有最小总权和

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【POJ】[2387]Til the Cows Come Home

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【杭电】[1051]Wooden Sticks