CFClimb – Codeforces Trainer

CFClimb is a companion for competitive programmers on Codeforces. It follows your week: get reminded before a round, compete, see your rating change, then upsolve what you missed. Unofficial: CFClimb is not affiliated with or endorsed by Codeforces. It uses the Codeforces API. NEVER MISS A ROUND • Upcoming, running and past contests, with live rounds pinned to the top • A countdown to the next round, also on your home screen with the widget • Reminders 1 day, 1 hour or 10 minutes before the rounds you pick. If Codeforces moves a round, the reminder moves with it • Add upcoming contests to your calendar KNOW WHERE YOU STAND • Save your handle to see your rating, your tier and how many points you need for the next one • Your solve streak, problems solved in the last 7 days and rated rounds at a glance • A notification when your new rating is published, checked in the background every few hours UPSOLVE WHAT YOU MISSED • A queue built from your rated rounds: problems you tried but didn't solve, then problems you never opened • Sorted from easiest to hardest, with difficulty and tags, and filters for tried or not opened • Open any problem on Codeforces in one tap PROFILES AND COMPARE • Rating history, solved problems by difficulty and tag, verdicts, languages and an activity heatmap for any handle • Compare two handles side by side • Search contests by name or type WORKS OFFLINE • Contests and profiles you've opened are saved on your phone and load without a connection • Open Codeforces profile and contest links in CFClimb, or share them to the app • Light, dark or system theme No account and no sign-in: just your public Codeforces handle.