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Welcome to WYKOJ!

Recent Solves

Time User Task Language
2025-10-28 11:26:49 s18f34 - Lee Tak Hei C2211 - Henry's Sprint C++
2025-10-26 17:17:02 s23l21 - Ng Lik Hang T231 - Pass Ball Ball C++
2025-10-26 17:12:08 s23l21 - Ng Lik Hang Z2511 - Trip to Japan C++
2025-10-26 16:58:21 s23l21 - Ng Lik Hang C2511 - Odd Ones Out C++
2025-10-25 21:46:41 s23l21 - Ng Lik Hang C23A6 - Goodest Chinese (April Fools Series) C++
2025-10-25 21:40:54 s23l21 - Ng Lik Hang C23A3 - Catch Rock If You Can (April Fools Series) C++
2025-10-25 21:36:24 s23l21 - Ng Lik Hang C23A1 - MTWTFSS (April Fools Series) C++
2025-10-25 21:32:50 s23l21 - Ng Lik Hang C2512 - Case-sensitive C++
2025-10-25 20:53:15 wy23493 - I hate Probability C2542 - 拼拼有限字符串 [入门级] [提高级] C++
2025-10-25 20:46:27 wy24084 - Li Junxi C2541 - 树林 [入门级] C++
2025-10-25 20:40:23 wy23493 - I hate Probability C2541 - 树林 [入门级] C++
2025-10-24 20:06:19 s22l19 - 12345 C2545 - 序列切割 [提高级] C++
News!

🎉 Frontend and Backend Migrated to New Server!
Took longer than expected due to funny error(s).

3 Sept 2025

🎉 New server (after ε years)!
Thanks @seadoglee and WYK for $$$. We expect down time to be much less than before. Thank you everyone for your continue support of WYKOJ.

5 Jul 2025

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