→ About Contest
A special invitational contest hosted at the University of Michigan in 2011.
→ Virtual participation
Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ICPC mode for virtual contests.
If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.
If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.
→ Practice?
Want to solve the contest problems after the official contest ends? Just register for practice and you will be able to submit solutions.
→ Status filter
→ Contest materials
Contest status
| # | When | Who | Problem | Lang | Verdict | Time | Memory |
|---|---|---|---|---|---|---|---|
| 328020388 | Jul/08/2025 06:09 | vjudge.9 | H - Two Sets | C++20 (GCC 13-64) | Wrong answer on test 1 | 31 ms | 0 KB |
| 328020342 | Jul/08/2025 06:08 | vjudge.4 | H - Two Sets | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 326554279 | Jun/29/2025 19:28 | vjudge.5 | A - Crossing Number | C++20 (GCC 13-64) | Accepted | 780 ms | 7800 KB |
| 287644774 | Oct/24/2024 13:21 | Mohamed_Waheed | I - Yawner | C++20 (GCC 13-64) | Accepted | 171 ms | 0 KB |
| 287626520 | Oct/24/2024 10:58 | Mohamed_Waheed# | I - Yawner | C++20 (GCC 13-64) | Wrong answer on test 1 | 202 ms | 0 KB |
| 287626104 | Oct/24/2024 10:55 | Mohamed_Waheed# | I - Yawner | C++20 (GCC 13-64) | Wrong answer on test 1 | 171 ms | 0 KB |
| 287625298 | Oct/24/2024 10:48 | Mohamed_Waheed# | I - Yawner | C++20 (GCC 13-64) | Time limit exceeded on test 1 | 1000 ms | 0 KB |
| 287623098 | Oct/24/2024 10:32 | Mohamed_Waheed# | I - Yawner | C++20 (GCC 13-64) | Wrong answer on test 1 | 187 ms | 0 KB |
| 287619241 | Oct/24/2024 09:58 | Mohamed_Waheed# | I - Yawner | C++20 (GCC 13-64) | Wrong answer on test 1 | 171 ms | 0 KB |
| 287617545 | Oct/24/2024 09:42 | Mohamed_Waheed# | I - Yawner | C++20 (GCC 13-64) | Wrong answer on test 1 | 155 ms | 0 KB |
| 287616867 | Oct/24/2024 09:36 | Mohamed_Waheed# | I - Yawner | C++20 (GCC 13-64) | Wrong answer on test 1 | 156 ms | 0 KB |
| 287616723 | Oct/24/2024 09:35 | Mohamed_Waheed# | I - Yawner | C++20 (GCC 13-64) | Wrong answer on test 1 | 171 ms | 100 KB |
| 287613542 | Oct/24/2024 09:03 | Mohamed_Waheed# | I - Yawner | C++20 (GCC 13-64) | Wrong answer on test 1 | 186 ms | 100 KB |
| 287612321 | Oct/24/2024 08:50 | Mohamed_Waheed# | I - Yawner | C++20 (GCC 13-64) | Wrong answer on test 1 | 155 ms | 0 KB |
| 287609758 | Oct/24/2024 08:21 | Mohamed_Waheed# | E - Spies | C++20 (GCC 13-64) | Accepted | 765 ms | 3900 KB |
| 287608472 | Oct/24/2024 08:04 | Mohamed_Waheed# | E - Spies | C++20 (GCC 13-64) | Wrong answer on test 1 | 608 ms | 2000 KB |
| 287607753 | Oct/24/2024 07:54 | Mohamed_Waheed# | E - Spies | C++20 (GCC 13-64) | Wrong answer on test 1 | 436 ms | 2000 KB |
| 287604784 | Oct/24/2024 07:10 | Mohamed_Waheed# | D - Evil | C++20 (GCC 13-64) | Accepted | 1218 ms | 8300 KB |
| 287602516 | Oct/24/2024 06:37 | Mohamed_Waheed# | A - Crossing Number | C++20 (GCC 13-64) | Accepted | 5546 ms | 48500 KB |
| 287602421 | Oct/24/2024 06:35 | Mohamed_Waheed# | A - Crossing Number | C++20 (GCC 13-64) | Wrong answer on test 1 | 5655 ms | 48500 KB |
| 287602345 | Oct/24/2024 06:34 | Mohamed_Waheed# | A - Crossing Number | C++20 (GCC 13-64) | Wrong answer on test 1 | 4921 ms | 48500 KB |
| 287082769 | Oct/20/2024 18:07 | El_Farag# | A - Crossing Number | C++20 (GCC 13-64) | Accepted | 3405 ms | 31400 KB |
| 287082552 | Oct/20/2024 18:05 | El_Farag# | A - Crossing Number | C++20 (GCC 13-64) | Memory limit exceeded on test 1 | 1062 ms | 262100 KB |
| 287082317 | Oct/20/2024 18:04 | El_Farag# | A - Crossing Number | C++20 (GCC 13-64) | Wrong answer on test 1 | 3703 ms | 31400 KB |
| 287082003 | Oct/20/2024 18:01 | El_Farag# | A - Crossing Number | C++17 (GCC 7-32) | Runtime error on test 1 | 0 ms | 3200 KB |
| 287081891 | Oct/20/2024 18:00 | El_Farag# | A - Crossing Number | C++20 (GCC 13-64) | Runtime error on test 1 | 46 ms | 3100 KB |
| 287081725 | Oct/20/2024 17:59 | El_Farag# | A - Crossing Number | C++20 (GCC 13-64) | Runtime error on test 1 | 0 ms | 1600 KB |
| 286853101 | Oct/20/2024 01:13 | vjudge.1 | I - Yawner | Java 21 | Accepted | 483 ms | 0 KB |
| 286853041 | Oct/20/2024 01:12 | vjudge5 | I - Yawner | Java 21 | Time limit exceeded on test 1 | 1000 ms | 800 KB |
| 286853019 | Oct/20/2024 01:11 | vjudge.3 | I - Yawner | C++20 (GCC 13-64) | Accepted | 483 ms | 800 KB |
| 284902940 | Oct/08/2024 13:42 | -RAGNAR-# | D - Evil | C++20 (GCC 13-64) | Wrong answer on test 1 | 640 ms | 30000 KB |
| 284902792 | Oct/08/2024 13:40 | -RAGNAR-# | D - Evil | C++20 (GCC 13-64) | Wrong answer on test 1 | 531 ms | 30300 KB |
| 284901397 | Oct/08/2024 13:28 | -RAGNAR-# | D - Evil | C++20 (GCC 13-64) | Wrong answer on test 1 | 546 ms | 30000 KB |
| 284900979 | Oct/08/2024 13:24 | -RAGNAR-# | D - Evil | C++20 (GCC 13-64) | Wrong answer on test 1 | 530 ms | 30300 KB |
| 284900275 | Oct/08/2024 13:16 | -RAGNAR-# | D - Evil | C++20 (GCC 13-64) | Wrong answer on test 1 | 343 ms | 30000 KB |
| 284900172 | Oct/08/2024 13:15 | -RAGNAR-# | D - Evil | C++20 (GCC 13-64) | Wrong answer on test 1 | 327 ms | 30000 KB |
| 284899242 | Oct/08/2024 13:06 | -RAGNAR-# | D - Evil | C++20 (GCC 13-64) | Wrong answer on test 1 | 31 ms | 100 KB |
| 284895570 | Oct/08/2024 12:36 | -RAGNAR-# | A - Crossing Number | C++20 (GCC 13-64) | Accepted | 8421 ms | 80200 KB |
| 284895325 | Oct/08/2024 12:33 | -RAGNAR-# | A - Crossing Number | C++20 (GCC 13-64) | Runtime error on test 1 | 1390 ms | 49600 KB |
| 284110459 | Oct/03/2024 06:21 | Ahmed_Faraj# | A - Crossing Number | C++23 (GCC 14-64, msys2) | Accepted | 5374 ms | 13100 KB |
| 284110411 | Oct/03/2024 06:20 | Ahmed_Faraj# | A - Crossing Number | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 5077 ms | 13100 KB |
| 284110315 | Oct/03/2024 06:19 | Ahmed_Faraj# | A - Crossing Number | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 4093 ms | 4600 KB |
| 254789201 | Apr/03/2024 07:15 | 0x3F | F - Static Analysis | C++17 (GCC 7-32) | Accepted | 999 ms | 5200 KB |
| 254789198 | Apr/03/2024 07:15 | 0x3F | B - Music Mess | C++17 (GCC 7-32) | Accepted | 2374 ms | 1100 KB |
| 231409089 | Nov/05/2023 07:01 | vjudge5 | A - Crossing Number | C++17 (GCC 9-64) | Compilation error | 0 ms | 0 KB |
| 231408162 | Nov/05/2023 06:42 | vjudge3 | A - Crossing Number | C++17 (GCC 9-64) | Time limit exceeded on test 1 | 20000 ms | 3500 KB |
| 231408026 | Nov/05/2023 06:39 | vjudge5 | A - Crossing Number | C++17 (GCC 9-64) | Time limit exceeded on test 1 | 20000 ms | 3500 KB |
| 230930009 | Nov/02/2023 10:22 | vjudge5 | A - Crossing Number | C++17 (GCC 9-64) | Accepted | 2761 ms | 21700 KB |
| 216374181 | Jul/30/2023 01:24 | marcosmmvg | A - Crossing Number | C++20 (GCC 11-64) | Accepted | 4633 ms | 47600 KB |
| 215639070 | Jul/25/2023 22:09 | kamranaaquib786 | E - Spies | C++17 (GCC 7-32) | Accepted | 936 ms | 1600 KB |
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