Find Similar Problems on Codeforces – Chrome Extension

Hi everyone,

While practicing on Codeforces, I often faced a common problem: after solving a question, I wanted to practice a few more problems of a similar difficulty and topic. Finding such problems manually was time-consuming, so I built a Chrome extension to automate the process.

Features

• Finds problems similar to the current Codeforces problem.
• Filters problems based on:

• Similar rating (±200)

• Matching tags
• Sorts results by the number of users who solved the problem.
• Displays all matching problems directly in the extension popup.

Why?

I built this mainly to help with upsolving and topic-wise practice. Instead of searching through problemsets manually, you can instantly get a curated list of similar problems and continue practicing the same concept.

How it works

The extension uses the Codeforces API to:

1. Extract the current problem's rating and tags.
2. Search the problemset for matching problems.
3. Rank and display them based on popularity (number of accepted submissions/users solved).

Example Use Case

Suppose you've just solved a 1500-rated DP problem. With one click, the extension can suggest other DP problems around the same rating range, helping reinforce the concept before moving on.

I'd love to hear your feedback, suggestions, or feature requests.

Extension Link: https://chromewebstore.google.com/detail/similar-codeforces-proble/cnklmhokcbogmbijocepadmcabaeipdj

Thanks, and happy coding!