→ 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 |
|---|---|---|---|---|---|---|---|
| 397658206 | Nov/06/2026 22:56 | M.A.D. | L - Modulo Queries | C++17 (GCC 7-32) | Accepted | 7984 ms | 181700 KB |
| 397657947 | Nov/06/2026 22:51 | M.A.D. | L - Modulo Queries | C++17 (GCC 7-32) | Runtime error on test 1 | 2437 ms | 183200 KB |
| 397077333 | Nov/02/2026 06:35 | dnamm1 | L - Modulo Queries | C++20 (GCC 13-64) | Memory limit exceeded on test 30 | 2609 ms | 1048600 KB |
| 397037841 | Nov/01/2026 19:46 | dnamm1 | L - Modulo Queries | C++20 (GCC 13-64) | Accepted | 453 ms | 32200 KB |
| 397037781 | Nov/01/2026 19:45 | dnamm1 | L - Modulo Queries | C++20 (GCC 13-64) | Compilation error | 0 ms | 0 KB |
| 397037669 | Nov/01/2026 19:44 | dnamm1 | L - Modulo Queries | C++20 (GCC 13-64) | Wrong answer on test 5 | 46 ms | 27400 KB |
| 397030767 | Nov/01/2026 18:32 | dnamm1 | L - Modulo Queries | C++20 (GCC 13-64) | Memory limit exceeded on test 30 | 2250 ms | 1048600 KB |
| 397030593 | Nov/01/2026 18:30 | dnamm1 | L - Modulo Queries | C++20 (GCC 13-64) | Wrong answer on test 2 | 31 ms | 19600 KB |
| 396789724 | Oct/31/2026 14:15 | thyendisnow | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 2281 ms | 400300 KB |
| 396789667 | Oct/31/2026 14:14 | thyendisnow | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 396789573 | Oct/31/2026 14:13 | thyendisnow | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Runtime error on test 5 | 31 ms | 0 KB |
| 396789402 | Oct/31/2026 14:11 | thyendisnow | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Runtime error on test 5 | 15 ms | 0 KB |
| 396789160 | Oct/31/2026 14:08 | thyendisnow | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 31 ms | 0 KB |
| 396789110 | Oct/31/2026 14:08 | thyendisnow | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 396788864 | Oct/31/2026 14:05 | thyendisnow | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Runtime error on test 5 | 31 ms | 0 KB |
| 396712200 | Oct/30/2026 19:18 | mehkalb | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 3062 ms | 723100 KB |
| 396711846 | Oct/30/2026 19:15 | mehkalb | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Compilation error | 0 ms | 0 KB |
| 396697977 | Oct/30/2026 17:27 | mehkalb | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 1078 ms | 11900 KB |
| 396697394 | Oct/30/2026 17:22 | mehkalb | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 15 | 31 ms | 0 KB |
| 396688207 | Oct/30/2026 16:07 | mehkalb | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 16800 KB |
| 396687014 | Oct/30/2026 15:57 | mehkalb | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 18400 KB |
| 396364437 | Oct/28/2026 06:29 | Jensen123 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 1218 ms | 199100 KB |
| 396364244 | Oct/28/2026 06:25 | Jensen123 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Runtime error on test 5 | 31 ms | 22700 KB |
| 396056607 | Oct/26/2026 06:10 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 5812 ms | 703000 KB |
| 396056559 | Oct/26/2026 06:08 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 15 | 62 ms | 703000 KB |
| 396056290 | Oct/26/2026 06:02 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 15 | 31 ms | 707700 KB |
| 396056224 | Oct/26/2026 06:00 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 15 | 31 ms | 707700 KB |
| 396052882 | Oct/26/2026 04:52 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 30 | 406 ms | 1048600 KB |
| 396052872 | Oct/26/2026 04:51 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 424700 KB |
| 396052865 | Oct/26/2026 04:51 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Memory limit exceeded on test 30 | 296 ms | 1048600 KB |
| 396052840 | Oct/26/2026 04:50 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 33 | 8000 ms | 693900 KB |
| 396052832 | Oct/26/2026 04:50 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 31 | 8000 ms | 1023300 KB |
| 396052601 | Oct/26/2026 04:42 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 985800 KB |
| 396052553 | Oct/26/2026 04:40 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 634000 KB |
| 396051330 | Oct/26/2026 04:27 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 985800 KB |
| 396051215 | Oct/26/2026 04:23 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 633900 KB |
| 396051159 | Oct/26/2026 04:21 | resolve100 | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 5 | 46 ms | 4600 KB |
| 393950560 | Oct/10/2026 15:08 | Time17_ | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 1937 ms | 969600 KB |
| 392305863 | Sep/27/2026 11:45 | Bahy. | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 2546 ms | 759200 KB |
| 391876620 | Sep/24/2026 15:49 | nqc | L - Modulo Queries | C++17 (GCC 7-32) | Accepted | 4187 ms | 965600 KB |
| 391875273 | Sep/24/2026 15:37 | nqc | L - Modulo Queries | C++17 (GCC 7-32) | Accepted | 7921 ms | 967200 KB |
| 391711965 | Sep/23/2026 00:53 | 3rian_jr | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 7984 ms | 1027100 KB |
| 391711933 | Sep/23/2026 00:52 | 3rian_jr | L - Modulo Queries | C++20 (GCC 13-64) | Time limit exceeded on test 30 | 8000 ms | 1027100 KB |
| 391711901 | Sep/23/2026 00:51 | 3rian_jr | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Accepted | 7921 ms | 1027100 KB |
| 391711877 | Sep/23/2026 00:50 | 3rian_jr | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 40 | 8000 ms | 870500 KB |
| 391711851 | Sep/23/2026 00:49 | 3rian_jr | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 244300 KB |
| 391711811 | Sep/23/2026 00:48 | 3rian_jr | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 30 | 8000 ms | 400900 KB |
| 391711695 | Sep/23/2026 00:44 | 3rian_jr | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Wrong answer on test 9 | 46 ms | 400800 KB |
| 391711365 | Sep/23/2026 00:33 | 3rian_jr | L - Modulo Queries | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 31 | 8000 ms | 706100 KB |
| 391711360 | Sep/23/2026 00:33 | 3rian_jr | L - Modulo Queries | C++17 (GCC 7-32) | Time limit exceeded on test 30 | 8000 ms | 706100 KB |
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