solved.ac - Search

ProblemsContributeArenaRankings

Problems Users Tags

Sort

#Level Title # Solved Avg. Tries Random

#	Title	# Solved	Avg. Tries
9988	Roadblock	101	1.60
9989	Cow Decathlon	38	1.61
9990	Airplane Boarding	8	3.88

Information

Pro Subscription Merch Updates (Korean) Terms of Service Terms for Recurring Payment Privacy Policy

Contents

Badges Profile Backgrounds Redeem

Coins and Stardusts

Logs Exchange Coin Shop Inventory

Community · Tools

Slack · Discord BOJ scoreboard tool (Korean) BOJ Stack description tool (Korean)

Help

Documentation Rules Contribution guidelines Advanced search Request new badge / background Propose an arena

solved.ac

© 2019 - 2025. 한국어 · English · 日本語 (β)

Solved Company · CEO Suhyun Park (박수현)

Room #302, 15 Daeheung-ro 20an-gil, Mapo-gu, Seoul, Republic of Korea 04136

Company Registration # 413-01-65278 · Mail-order Business Registration # 2023-서울마포-0839 · +82 10-8481-7347 · Check business information

‘solved.ac’ and ‘solved’ are trademarks of shiftpsh.com registered in the Republic of Korea.
‘Baekjoon Online Judge’ is a trademark of Startlink Inc.