CF Problem Picker
Pick a random unattempted Codeforces problem in a rating range. Enter your handle once.
Time on the storeAbout 1 to 3 yearsA rough range, not an exact date
Store users22As shown on the Chrome Web Store
Chrome Web Store rating5.0 / 51 rating on the Chrome Web Store
Last store update28 Oct 2025Version 1.0, 11 months ago
How CF Problem Picker is doing
CF Problem Picker has been on the store for roughly one to three years and is in the top half of Education by users. Recent activity is steady.
- Time on the store
- About 1 to 3 years
- Recent direction
- Steady
A rough range, not an exact date.
Moving at about the same pace as the month before.
Members see the exact launch date, growth history and every release
Inside the extension
Product image 1 of 1Reviews
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The maker
This is the only listing we know of from PetrificusTotalus.
- Listings
- 1
- Combined store users
- ≈22
- Store Featured
- 0
Combined users can count the same person more than once. Maker profile
Ext Watch AI
Should you build in this niche?
One research report for CF Problem Picker. Reports come with Plus, Pro and Max.
- Takeaway & demandCited takeaway and search volumes
- Traffic & domainPopularity rank, visits and authority
- Money & pricingPlans and prices from the maker’s site
- ReviewsComplaints and praise, quoted
- Competitors & ranksRank against the closest listings
- Build opportunityWhat to build and how to position it
- Every number shows its source and date
- Ready in a minute or two
- Report and PDF yours for 30 days
