Is there a website where you can just practice solving problems?

This page summarizes the projects mentioned and recommended in the original post on /r/learnprogramming
advent-of-code Leetcode advent-of-code-2017 leetcode-solutions Solutions

InfluxDB - Power Real-Time Data Analytics at Scale
Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
www.influxdata.com
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SaaSHub - Software Alternatives and Reviews
SaaSHub helps you find the best software and product alternatives
www.saashub.com
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  • LeetCode

    Discontinued This is my LeetCode solutions for all 2000+ problems, mainly written in C++ or Python. (by lyhsieh)

  • Exercism - website

    The codebase for Exercism's website. (by exercism)

    • https://exercism.org/ The great thing here is that someone checks your work for free.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

    InfluxDB logo

  • codewars.com

    Issue tracker for Codewars

  • adventofcode

    Advent of Code solutions of 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 and 2023 in Scala (by sim642)

    • In addition to already suggested learning sites, Advent of Code has some nice puzzle solving problems.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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