Video: Vim li cas Prim lub algorithm ua haujlwm?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Hauv computer science, Prim cov (tseem hu ua Jarník's) algorithm yog tus siab hlob algorithm uas pom qhov tsawg kawg nkaus spanning tsob ntoo rau ib tug weighted undirected graph. Qhov no txhais tau hais tias nws pom ib qho subset ntawm cov npoo uas tsim ib tsob ntoo uas suav nrog txhua qhov vertex, qhov twg tag nrho qhov hnyav ntawm tag nrho cov npoo ntawm tsob ntoo raug txo qis.
Hauv qhov no, vim li cas Prims zoo dua Kruskal?
Kruskal cov Algorithm: ua zoo dua nyob rau hauv cov xwm txheej raug (sparse graphs) vim nws siv cov ntaub ntawv yooj yim dua. Prim cov Algorithm: yog qhov nrawm nrawm dua hauv qhov txwv thaum koj tau txais daim duab ntom ntom nrog ntau cov npoo ntxiv tshaj ntsug.
Puas yog Prim's algorithm zoo tshaj? Prim lub algorithm yog tus siab hlob algorithm txhawm rau nrhiav ib tsob ntoo me me ntawm qhov hnyav uas tsis muaj kev taw qhia uas siv txoj hauv kev greedy. Nyob rau hauv cov ntaub ntawv ntawm Prim lub algorithm , peb pheej xaiv lub vertex uas nws qhov deb ntawm qhov chaw vertex yog txo qis, piv txwv li, tam sim no hauv zos zoo kev xaiv.
Khaws qhov no hauv kev xav, Prim's algorithm puas tuaj yeem muaj lub voj voog?
Prim's Algorithm . Prim lub algorithm kom meej meej tsim ib tsob ntoo spanning, vim tsis muaj lub voj voog tau raug qhia los ntawm kev ntxiv cov npoo ntawm tsob ntoo thiab cov ntoo uas tsis yog tsob ntoo.
Qhov algorithm twg yog qhov ua tau zoo dua hauv kev tsim qhov tsawg kawg ntawm tsob ntoo ntawm ib daim duab muab Prim's algorithm los yog Kruskal's algorithm thiab yog vim li cas?
Kruskal's Algorithm loj hlob ib qho kev daws teeb meem los ntawm qhov pheej yig tshaj ntug los ntawm kev ntxiv qhov pheej yig tshaj ntug tom ntej mus rau qhov uas twb muaj lawm tsob ntoo / hav zoov. Prim's Algorithm yog ceev rau ntom daim duab . Kruskal's Algorithm yog sai rau sparse daim duab.
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