Algorithm

https://github.com/TheAlgorithms/Python/blob/master/data_structures/disjoint_set/disjoint_set.py

def union_set(x, y):
    """
    union two sets.
    set with bigger rank should be parent, so that the
    disjoint set tree will be more flat.
    """
    x, y = find_set(x), find_set(y)
    if x.rank > y.rank:
        y.parent = x
    else:
        x.parent = y
        if x.ra

Description of Change

Checklist

• Added description of change
• Added file name matches [File

You may use this guide to make quality contributions at Hacktoberfest 2020: Hacktoberfest 2020 guide

To begin contributing, you shall get a quick overview of how Cosmos is used today. Cosmos is one of the most extensive code database and is used as:

• A datastore for various projects (such as [Quark](https://github.com/OpenGenus/

🚀 Feature Proposal

Adding leading zero in the question number will be an awesome feature for file explorer to sort files by the name.