💛 Built with love by Rohit — If CodeSmash helped you, share it with your friends. That's all the fuel I need to keep building 🚀 • 💛 Built with love by Rohit — If CodeSmash helped you, share it with your friends. That's all the fuel I need to keep building 🚀 • 💛 Built with love by Rohit — If CodeSmash helped you, share it with your friends. That's all the fuel I need to keep building 🚀 • 💛 Built with love by Rohit — If CodeSmash helped you, share it with your friends. That's all the fuel I need to keep building 🚀 💛 Built with love by Rohit — If CodeSmash helped you, share it with your friends. That's all the fuel I need to keep building 🚀 • 💛 Built with love by Rohit — If CodeSmash helped you, share it with your friends. That's all the fuel I need to keep building 🚀 • 💛 Built with love by Rohit — If CodeSmash helped you, share it with your friends. That's all the fuel I need to keep building 🚀 • 💛 Built with love by Rohit — If CodeSmash helped you, share it with your friends. That's all the fuel I need to keep building 🚀
Codeforces Battle Arena

Test Your LimitsIn Battle Mode

Pick your topics and rating range. Get a random Codeforces problem. Solve it and earn coins — no pressure, pure skill.

Random Problems

Filter by topic & rating, get a fresh challenge every time.

Earn Coins

Solve the problem on Codeforces and claim your coin reward.

Real Codeforces

Fetches live problems directly from the Codeforces problemset API.

or
Private 1v1 Room

Challenge a Friendin a Custom Room

Create a private room, share the code with your friend, and go head-to-head on the same Codeforces problem. First to submit AC wins!

1

Create a Room

Get a unique 6-digit room code.

2

Share the Code

Send it to your friend on any chat.

3

Battle!

Both get the same problem — first to AC wins.