→ About Contest
The USACO.Guide Informatics Tournament is a programming contest for precollege students hosted by the USACO.Guide and Competitive Programming Initiative.
→ 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 |
|---|---|---|---|---|---|---|---|
| 322903311 | Jun/04/2025 21:49 | zcwzg0kn3zbt0 | H - Cheating the Group System | PyPy 3-64 | Memory limit exceeded on test 1 | 46 ms | 262100 KB |
| 322648741 | Jun/03/2025 13:55 | BeYourSven | L - Modulo Queries | C++20 (GCC 13-64) | Accepted | 4717 ms | 20000 KB |
| 320974660 | May/24/2025 06:38 | x3krddoirqoyi | G - Soccer League | PyPy 3-64 | Wrong answer on test 2 | 343 ms | 35500 KB |
| 320378555 | May/19/2025 17:46 | vjudge.3 | B - Two Way Homework | C++17 (GCC 7-32) | Accepted | 108 ms | 27500 KB |
| 320378211 | May/19/2025 17:44 | vjudge.3 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 1 | 46 ms | 26600 KB |
| 320378132 | May/19/2025 17:43 | vjudge4 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 21 | 109 ms | 26700 KB |
| 320377260 | May/19/2025 17:37 | vjudge5 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 21 | 92 ms | 48600 KB |
| 320033541 | May/17/2025 15:46 | vjudge.9 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Accepted | 155 ms | 101800 KB |
| 319714334 | May/15/2025 07:19 | vjudge5 | B - Two Way Homework | C++20 (GCC 13-64) | Accepted | 139 ms | 36500 KB |
| 319714111 | May/15/2025 07:16 | vjudge2 | B - Two Way Homework | C++20 (GCC 13-64) | Wrong answer on test 6 | 61 ms | 30700 KB |
| 319713915 | May/15/2025 07:13 | vjudge4 | B - Two Way Homework | C++20 (GCC 13-64) | Wrong answer on test 6 | 46 ms | 30600 KB |
| 319713836 | May/15/2025 07:11 | vjudge5 | B - Two Way Homework | C++20 (GCC 13-64) | Wrong answer on test 6 | 46 ms | 30700 KB |
| 319713779 | May/15/2025 07:10 | vjudge5 | B - Two Way Homework | C++20 (GCC 13-64) | Wrong answer on test 5 | 46 ms | 29800 KB |
| 319713680 | May/15/2025 07:09 | vjudge2 | B - Two Way Homework | C++20 (GCC 13-64) | Wrong answer on test 6 | 62 ms | 30700 KB |
| 319641883 | May/14/2025 15:38 | vjudge2 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 46 ms | 56400 KB |
| 319639938 | May/14/2025 15:23 | vjudge.8 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 46 ms | 56400 KB |
| 319639278 | May/14/2025 15:18 | vjudge2 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 31 ms | 56400 KB |
| 319638401 | May/14/2025 15:12 | vjudge.9 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 62 ms | 56400 KB |
| 319637883 | May/14/2025 15:07 | vjudge4 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 56400 KB |
| 319637396 | May/14/2025 15:04 | vjudge.8 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 56400 KB |
| 319637216 | May/14/2025 15:03 | vjudge.2 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 56400 KB |
| 319462516 | May/13/2025 08:33 | ne80klo9728gj | H - Cheating the Group System | PyPy 3-64 | Memory limit exceeded on test 1 | 62 ms | 262100 KB |
| 319462454 | May/13/2025 08:32 | ic73mfplks2k | H - Cheating the Group System | PyPy 3-64 | Memory limit exceeded on test 1 | 62 ms | 262100 KB |
| 319462424 | May/13/2025 08:32 | 6c2i7qovksflo | H - Cheating the Group System | PyPy 3-64 | Memory limit exceeded on test 1 | 77 ms | 262100 KB |
| 319458732 | May/13/2025 07:42 | vjudge.10 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Accepted | 156 ms | 53300 KB |
| 319458512 | May/13/2025 07:39 | vjudge.2 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 31 ms | 53200 KB |
| 319068195 | May/10/2025 16:54 | vjudge.9 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 49400 KB |
| 319068070 | May/10/2025 16:53 | vjudge.10 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 56400 KB |
| 319067845 | May/10/2025 16:51 | vjudge.3 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 32900 KB |
| 319067732 | May/10/2025 16:50 | vjudge.1 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 25900 KB |
| 319067486 | May/10/2025 16:47 | vjudge.2 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 46 ms | 32900 KB |
| 319064814 | May/10/2025 16:22 | vjudge.1 | B - Two Way Homework | C++20 (GCC 13-64) | Accepted | 93 ms | 27500 KB |
| 319064778 | May/10/2025 16:22 | vjudge4 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 2 | 46 ms | 27400 KB |
| 319064643 | May/10/2025 16:21 | vjudge.9 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 2 | 46 ms | 27400 KB |
| 319064136 | May/10/2025 16:16 | vjudge1 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 2 | 46 ms | 27400 KB |
| 319064051 | May/10/2025 16:15 | vjudge2 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 2 | 46 ms | 27500 KB |
| 319063874 | May/10/2025 16:13 | vjudge.9 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 2 | 30 ms | 27400 KB |
| 319063577 | May/10/2025 16:10 | vjudge.4 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 2 | 46 ms | 27400 KB |
| 319063423 | May/10/2025 16:09 | vjudge.4 | B - Two Way Homework | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 319063284 | May/10/2025 16:08 | vjudge.10 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 2 | 15 ms | 27400 KB |
| 319063165 | May/10/2025 16:06 | vjudge5 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 2 | 46 ms | 27400 KB |
| 319063128 | May/10/2025 16:06 | vjudge.7 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Accepted | 156 ms | 33300 KB |
| 319063076 | May/10/2025 16:05 | vjudge.2 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 2 | 30 ms | 27400 KB |
| 319063037 | May/10/2025 16:05 | vjudge1 | B - Two Way Homework | C++20 (GCC 13-64) | Runtime error on test 4 | 46 ms | 0 KB |
| 319062910 | May/10/2025 16:04 | vjudge.4 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 61 ms | 40700 KB |
| 319062864 | May/10/2025 16:03 | vjudge.7 | B - Two Way Homework | C++20 (GCC 13-64) | Runtime error on test 4 | 61 ms | 0 KB |
| 319062802 | May/10/2025 16:03 | vjudge1 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 31 ms | 43900 KB |
| 319062741 | May/10/2025 16:02 | vjudge2 | B - Two Way Homework | C++20 (GCC 13-64) | Time limit exceeded on test 16 | 1000 ms | 300 KB |
| 319062730 | May/10/2025 16:02 | vjudge.7 | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 46 ms | 43900 KB |
| 319062657 | May/10/2025 16:01 | vjudge.3 | B - Two Way Homework | C++17 (GCC 7-32) | Wrong answer on test 2 | 62 ms | 27400 KB |
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