[理工] vertex cover reduction to HC

作者: ff00662299 (goneboy)   2020-10-31 13:02:28
https://i.imgur.com/IHZhSah.jpg
https://i.imgur.com/pi97odS.jpg
想請問這張圖中的reduction方式說是create widget,但實在無法理解那張圖的意思,該如何變成一個HC呢?
麻煩解惑以及感謝!

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