→ 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 |
|---|---|---|---|---|---|---|---|
| 366553249 | Mar/14/2026 00:48 | LoVeTs_sNoV | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 15 | 1546 ms | 1048600 KB |
| 366553221 | Mar/14/2026 00:48 | LoVeTs_sNoV | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 366553187 | Mar/14/2026 00:47 | LoVeTs_sNoV | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 366552941 | Mar/14/2026 00:42 | LoVeTs_sNoV | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 15 | 1609 ms | 1048600 KB |
| 366552181 | Mar/14/2026 00:28 | LoVeTs_sNoV | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 44700 KB |
| 366550254 | Mar/13/2026 23:57 | LoVeTs_sNoV | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 100 KB |
| 363510981 | Feb/18/2026 15:49 | ConRuotAnhThai | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 4656 ms | 978100 KB |
| 363510866 | Feb/18/2026 15:47 | ConRuotAnhThai | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 30 | 3109 ms | 651400 KB |
| 363510778 | Feb/18/2026 15:46 | ConRuotAnhThai | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 30 | 3171 ms | 650500 KB |
| 363510158 | Feb/18/2026 15:41 | ConRuotAnhThai | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 30 | 1453 ms | 1048600 KB |
| 363509433 | Feb/18/2026 15:34 | ConRuotAnhThai | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 30 | 1234 ms | 1048600 KB |
| 361899128 | Feb/08/2026 01:24 | Abuseini | L - Modulo Queries | C++20 (GCC 13-64) | Accepted | 7500 ms | 17600 KB |
| 360795612 | Jan/31/2026 05:18 | Bucketsmith | B - Two Way Homework | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 900 KB |
| 360778303 | Jan/30/2026 23:06 | Abdalaziz_Alshami | B - Two Way Homework | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 360778279 | Jan/30/2026 23:06 | Abdalaziz_Alshami | B - Two Way Homework | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 360778188 | Jan/30/2026 23:04 | Abdalaziz_Alshami | B - Two Way Homework | C++20 (GCC 13-64) | Wrong answer on test 1 | 31 ms | 0 KB |
| 360778131 | Jan/30/2026 23:04 | Abdalaziz_Alshami | B - Two Way Homework | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 360778044 | Jan/30/2026 23:03 | Abdalaziz_Alshami | B - Two Way Homework | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 360777942 | Jan/30/2026 23:01 | Abdalaziz_Alshami | B - Two Way Homework | C++20 (GCC 13-64) | Wrong answer on test 1 | 15 ms | 0 KB |
| 358743841 | Jan/19/2026 13:23 | Shahod | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 5400 KB |
| 357710052 | Jan/13/2026 16:54 | nandhagk | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 5406 ms | 985500 KB |
| 357709754 | Jan/13/2026 16:53 | nandhagk | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 30 | 4234 ms | 655700 KB |
| 357709337 | Jan/13/2026 16:50 | nandhagk | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 641100 KB |
| 357708749 | Jan/13/2026 16:46 | nandhagk | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 706100 KB |
| 357706918 | Jan/13/2026 16:33 | nandhagk | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 20100 KB |
| 357703098 | Jan/13/2026 16:05 | nandhagk | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 1 | 1500 ms | 1048600 KB |
| 357701994 | Jan/13/2026 15:56 | nandhagk | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 30 | 1531 ms | 1048600 KB |
| 357701590 | Jan/13/2026 15:53 | nandhagk | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 30 | 1250 ms | 1048600 KB |
| 356438123 | Jan/05/2026 00:42 | rabeysin | B - Two Way Homework | PyPy 3 | Time limit exceeded on test 16 | 1000 ms | 132300 KB |
| 353510987 | Dec/15/2025 03:49 | coolchipmunkcoder007# | A - TriNum Array | PyPy 3 | Time limit exceeded on test 2 | 1000 ms | 12000 KB |
| 353510622 | Dec/15/2025 03:33 | coolchipmunkcoder007# | A - TriNum Array | PyPy 3 | Time limit exceeded on test 2 | 1000 ms | 12000 KB |
| 353510554 | Dec/15/2025 03:30 | coolchipmunkcoder007# | A - TriNum Array | PyPy 3 | Time limit exceeded on test 2 | 1000 ms | 12000 KB |
| 353484817 | Dec/14/2025 20:16 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 318200 KB |
| 353484329 | Dec/14/2025 20:12 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 316800 KB |
| 353483867 | Dec/14/2025 20:07 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 1600 KB |
| 353483443 | Dec/14/2025 20:03 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 30 | 3796 ms | 1048600 KB |
| 353297042 | Dec/13/2025 12:04 | Shravo | A - TriNum Array | PyPy 3-64 | Time limit exceeded on test 2 | 1000 ms | 13200 KB |
| 353153705 | Dec/12/2025 09:55 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 30 | 1078 ms | 1048600 KB |
| 353153497 | Dec/12/2025 09:54 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 30 | 843 ms | 1048600 KB |
| 353153053 | Dec/12/2025 09:50 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 649700 KB |
| 353152803 | Dec/12/2025 09:48 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 653400 KB |
| 353152004 | Dec/12/2025 09:40 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 13800 KB |
| 353149091 | Dec/12/2025 09:14 | OP_JASH | E - Gardening is Hard | C++23 (GCC 14-64, msys2) | Accepted | 578 ms | 0 KB |
| 353119345 | Dec/11/2025 23:41 | OP_JASH | E - Gardening is Hard | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 31 ms | 0 KB |
| 353119249 | Dec/11/2025 23:40 | OP_JASH | E - Gardening is Hard | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 15 ms | 0 KB |
| 353117842 | Dec/11/2025 23:20 | OP_JASH | E - Gardening is Hard | C++23 (GCC 14-64, msys2) | Wrong answer on test 3 | 31 ms | 0 KB |
| 353111963 | Dec/11/2025 22:14 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 1 | 0 ms | 0 KB |
| 353110461 | Dec/11/2025 22:00 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 23800 KB |
| 353108657 | Dec/11/2025 21:44 | OP_JASH | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 30 | 5843 ms | 1048600 KB |
| 353007509 | Dec/11/2025 16:33 | Abhinov_2144 | E - Gardening is Hard | C++23 (GCC 14-64, msys2) | Wrong answer on test 2 | 15 ms | 0 KB |
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