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Showing posts with the label Data Structures

How To Return The Count Of Words From A List Of Words That Appear In A List Of Lists?

I have a very large list of strings like this: list_strings = ['storm', 'squall', &… Read more How To Return The Count Of Words From A List Of Words That Appear In A List Of Lists?

Building A Decision Tree Using User Inputs For Ordering Goods

I am trying to program a decision tree to allow customers to order goods based on their input. So f… Read more Building A Decision Tree Using User Inputs For Ordering Goods

Merging K Sorted Lists Using Heapq Module In Python3

Problem:- merge k sorted lists. I want to solve this problem using min heap which can be implemente… Read more Merging K Sorted Lists Using Heapq Module In Python3

Python: Storing Big Data Structures

I'm currently doing a project in python that uses dictionaries that are relatively big (around … Read more Python: Storing Big Data Structures

Mapping A List To A Huffman Tree Whilst Preserving Relative Order

I'm having an issue with a search algorithm over a Huffman tree: for a given probability distri… Read more Mapping A List To A Huffman Tree Whilst Preserving Relative Order

Find The Index Of The Min Value In A Pdist Condensed Distance Matrix

I have used scipy.spatial.distance.pdist(X) to calculate the euclidian distance metric between each… Read more Find The Index Of The Min Value In A Pdist Condensed Distance Matrix

Why Doesn't Jsonencoder Work For Namedtuples?

I am unable to to dump collections.namedtuple as correct JSON. First, consider the official example… Read more Why Doesn't Jsonencoder Work For Namedtuples?

Parse An Xsd File Using Python

I am trying to generate an XML file from a given XML schema. I have been able to do it with pyxb li… Read more Parse An Xsd File Using Python

Kivy - Parsing Structure To Widget

I'm having issues with parsing a data structure to a widget in Kivy, which would then access th… Read more Kivy - Parsing Structure To Widget

How To Return Different Types Of Arrays?

The high level problem I'm having in C# is to make a single copy of a data structure that descr… Read more How To Return Different Types Of Arrays?

Python Get Random Key In A Dictionary In O(1)

I need a data structure that supports FAST insertion and deletion of (key, value) pairs, as well as… Read more Python Get Random Key In A Dictionary In O(1)

Why Doesn't JSONEncoder Work For Namedtuples?

I am unable to to dump collections.namedtuple as correct JSON. First, consider the official example… Read more Why Doesn't JSONEncoder Work For Namedtuples?

Mapping A List To A Huffman Tree Whilst Preserving Relative Order

I'm having an issue with a search algorithm over a Huffman tree: for a given probability distri… Read more Mapping A List To A Huffman Tree Whilst Preserving Relative Order

Python: Expanding Complicated Tree DataStructure

I am exploring a data structure which get expands to sub-elements and resolves to a final element. … Read more Python: Expanding Complicated Tree DataStructure

Finding The Max Of Each Continguous Subarray Of A Given Size

I'm trying to solve the following problem in Python Given an array and an integer k, find the … Read more Finding The Max Of Each Continguous Subarray Of A Given Size