Speed up your competitive programming practice

Blitz Contests
for Codeforces

Create short 5–30 minute contests with auto-selected Codeforces problems. Classic or Blitz mode. Play with friends or find random opponents.

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Everything you need for speed practice

Custom Duration

Choose 15, 30, 45, or 60 minute rounds — or set any custom duration you want.

Auto Problem Selection

Problems auto-selected from Codeforces by difficulty range. Focus on your weak spots.

Real-Time Verdicts

See AC, WA, TLE, and other verdicts instantly. Know your result before moving on.

Multiplayer Contests

Compete head-to-head with friends via join codes. Live leaderboard and ELO rating.

Ready to grind?

Three clicks is all it takes. Configure your contest and start solving.

1Sign In
2Configure
3Solve!