Tag: tree

find a path to a given node in binary tree – Python

binary binary-search-tree binary-tree python tree

I’m stuck finding the path of the given node so I can find the right side but not the left side. For example, when I search for 5 in X=”+ * + 5 7 4 1 6″, the output is like [‘+’, ‘*’, ‘+’, ‘5’] but when I try to search for any number on the lift subtree, it gives

Time limit exceeded when finding tree height

algorithm data-structures oop python tree

this is my code to find the height of a tree of up to 10^5 nodes. May I know why I get the following error? Warning, long feedback: only the beginning and the end of the feedback message is shown, and the middle was replaced by ” … “. Failed case #18/24: time limit exceeded Input: 100000 Your output: stderr:

Visualize each row of pandas data frame as a tree

dataframe pandas python tree

I have a data frame having 4 columns A, B, C, D. I need to visualize/ print each row of my data frame as a tree structure. Example: df[‘A’] = franchisee df[‘B’] = sign off df[‘C’] = status df[‘D’] = registration Then, I need to visualize this row as a tree where franchisee is the parent node of sign off,

Python DFS nested dictionary

depth-first-search dictionary python recursion tree

I’ve written a function which should be able to search a nested dictionary, using DFS, to find a specific value. The recursive element seems to be working fine, however, when the base case should return True, it simply doesn’t. And the results. As you can see, the standard output “i==i” shows that this element was evaluated correctly but the return

How can i sum up multiple inputs in one when using a submodel?

keras python recurrent-neural-network tensorflow tree

I wrote a custom Tree-RNN-CELL that can handle several different inputs when they are provided as a tuple. This is working fine, but now I wanted to put it together in a submodel, so that i can sum the 4 lines up in 2 lines and to have a better overview ( the tree gets big so its worth it)

Finding a closed path from list of start and end nodes

anytree graph python tree

I have a list of edges (E) of a graph with nodes V = [1,2,3,4,5,6]: where each tuple (a,b) refers to the start & end node of the edge respectively. If I know the edges form a closed path in graph G, can I recover the path? Note that E is not the set of all edges of the graph.

Tree levels in lazy Python using “Long zip with”

breadth-first-search haskell python python-itertools tree

In this blog post about breadth-first traversal, Gibbons talks about implementing BFT with “long zip with” function Then for instance My question: My version of levels in Python is working, but my lazy version using generators is not. It’s adding an extra [] level at the end. Why? I consider this practice for using generators and laziness in Python, and

how to build a tree for ordered numbers?

data-structures dictionary python recursive-datastructures tree

I am trying build a tree (dictionary ) from input numbers. My main criteria for the tree is all the nodes in a level are in a same range. ( a series of data from parent) I think you will get idea from my examples- Please see the example I tried to build a tree initially. This will work only

Searching any tree in Python

artificial-intelligence python search tree

I need to write a function in Python that takes a tree and an index and returns the subtree or leaf at that index. I tried with loops and nested loops until I realized that the tree that had to run the tests was always the same: which actually looks like this: Sample tree So all I needed to pass