Prufer Code to Tree Creation - GeeksforGeeks



Prufer Code to Tree Creation - GeeksforGeeks

What is Prufer Code?
Given a tree (represented as graph, not as a rooted tree) with n labeled nodes with labels from 1 to n, a Prufer code uniquely idetifies the tree. The sequence has n-2 values.

How to get Prufer Code of a tree?

  1. Initialize Prufer code as empty.
  2. Start with a leaf of lowest label say x. Find the vertex connecting it to the rest of tree say y. Remove x from the tree and add y to the Prufer Code
  3. Repeat above step 2 until we are left with two nodes.

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