→ About Contest
The 2004 ACM East Central North America Regional Programming Contest (ACM ECNA RPC) was held on Saturday November 6, 2004. We had 131 teams drawn from 72 colleges and universities throughout western Pennsylvania, Ohio, Michigan, eastern Ontario, and Indiana (excluding the Greater Chicago Metropolitan Area).
→ 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 |
|---|---|---|---|---|---|---|---|
| 73985664 | Mar/22/2020 21:07 | Otakus maior que Guitarristas: sinkingstar, gustavoleal# | G - To and Fro | C++17 (GCC 7-32) | Accepted | 15 ms | 100 KB |
| 73985497 | Mar/22/2020 21:04 | Toka vs Desalojados: Dayllon, Rafaelcs# | G - To and Fro | GNU C++11 | Accepted | 31 ms | 0 KB |
| 73985483 | Mar/22/2020 21:04 | Otakus maior que Guitarristas: sinkingstar, gustavoleal# | A - Alphacode | GNU C++11 | Runtime error on test 2 | 15 ms | 0 KB |
| 73984568 | Mar/22/2020 20:50 | Toka vs Desalojados: Dayllon, Rafaelcs# | F - Team Rankings | C++17 (GCC 7-32) | Accepted | 15 ms | 100 KB |
| 73984239 | Mar/22/2020 20:45 | Otakus maior que Guitarristas: sinkingstar, gustavoleal# | A - Alphacode | GNU C++11 | Runtime error on test 2 | 30 ms | 0 KB |
| 73983816 | Mar/22/2020 20:39 | Otakus maior que Guitarristas: sinkingstar, gustavoleal# | A - Alphacode | GNU C++11 | Runtime error on test 2 | 15 ms | 0 KB |
| 73983390 | Mar/22/2020 20:33 | Otakus maior que Guitarristas: sinkingstar, gustavoleal# | A - Alphacode | C++14 (GCC 6-32) | Runtime error on test 2 | 15 ms | 0 KB |
| 73983094 | Mar/22/2020 20:29 | Toka vs Desalojados: Dayllon, Rafaelcs# | A - Alphacode | C++17 (GCC 7-32) | Accepted | 30 ms | 7800 KB |
| 73982939 | Mar/22/2020 20:26 | Toka vs Desalojados: Dayllon, Rafaelcs# | A - Alphacode | C++17 (GCC 7-32) | Wrong answer on test 2 | 15 ms | 7800 KB |
| 73918659 | Mar/22/2020 00:12 | kinhosz | D - I Conduit! | C++17 (GCC 7-32) | Wrong answer on test 2 | 358 ms | 1500 KB |
| 73917942 | Mar/21/2020 23:54 | kinhosz | D - I Conduit! | C++17 (GCC 7-32) | Wrong answer on test 2 | 358 ms | 1500 KB |
| 73915641 | Mar/21/2020 23:10 | gvh | A - Alphacode | C++17 (GCC 7-32) | Accepted | 0 ms | 100 KB |
| 73912980 | Mar/21/2020 22:13 | gvh | B - Anti-prime Sequences | C++17 (GCC 7-32) | Accepted | 498 ms | 200 KB |
| 73910684 | Mar/21/2020 21:08 | josecruz | D - I Conduit! | C++17 (GCC 7-32) | Accepted | 31 ms | 2300 KB |
| 73909320 | Mar/21/2020 20:37 | kinhosz# | D - I Conduit! | C++17 (GCC 7-32) | Wrong answer on test 2 | 373 ms | 1500 KB |
| 73908595 | Mar/21/2020 20:22 | gvh | A - Alphacode | C++17 (GCC 7-32) | Wrong answer on test 2 | 15 ms | 100 KB |
| 73908365 | Mar/21/2020 20:18 | gvh | F - Team Rankings | C++17 (GCC 7-32) | Accepted | 15 ms | 0 KB |
| 73908327 | Mar/21/2020 20:17 | aninhalbuquerque# | F - Team Rankings | C++17 (GCC 7-32) | Accepted | 15 ms | 100 KB |
| 73907957 | Mar/21/2020 20:10 | gvh | A - Alphacode | C++17 (GCC 7-32) | Wrong answer on test 2 | 15 ms | 100 KB |
| 73907518 | Mar/21/2020 20:03 | aninhalbuquerque# | F - Team Rankings | C++17 (GCC 7-32) | Wrong answer on test 1 | 0 ms | 0 KB |
| 73907500 | Mar/21/2020 20:03 | binidj | B - Anti-prime Sequences | GNU C++11 | Wrong answer on test 2 | 46 ms | 1200 KB |
| 73907475 | Mar/21/2020 20:03 | gvh | A - Alphacode | C++17 (GCC 7-32) | Wrong answer on test 2 | 15 ms | 100 KB |
| 73907360 | Mar/21/2020 20:01 | Rods | D - I Conduit! | C++14 (GCC 6-32) | Wrong answer on test 2 | 156 ms | 1700 KB |
| 73907319 | Mar/21/2020 20:00 | Rods | D - I Conduit! | C++14 (GCC 6-32) | Wrong answer on test 2 | 171 ms | 1700 KB |
| 73906731 | Mar/21/2020 19:52 | Rods# | D - I Conduit! | C++14 (GCC 6-32) | Wrong answer on test 2 | 420 ms | 1700 KB |
| 73906706 | Mar/21/2020 19:52 | MatheusLeon# | C - Hit or Miss | C++14 (GCC 6-32) | Accepted | 30 ms | 200 KB |
| 73906212 | Mar/21/2020 19:45 | mll5# | B - Anti-prime Sequences | C++17 (GCC 7-32) | Accepted | 608 ms | 300 KB |
| 73905772 | Mar/21/2020 19:40 | Rods# | D - I Conduit! | C++14 (GCC 6-32) | Wrong answer on test 2 | 217 ms | 1600 KB |
| 73905608 | Mar/21/2020 19:37 | aninhalbuquerque# | A - Alphacode | C++17 (GCC 7-32) | Accepted | 15 ms | 0 KB |
| 73905492 | Mar/21/2020 19:35 | gcgm_# | C - Hit or Miss | C++17 (GCC 7-32) | Accepted | 31 ms | 0 KB |
| 73905322 | Mar/21/2020 19:32 | gcgm_# | C - Hit or Miss | C++17 (GCC 7-32) | Wrong answer on test 2 | 202 ms | 0 KB |
| 73905012 | Mar/21/2020 19:28 | gcgm_# | C - Hit or Miss | C++17 (GCC 7-32) | Wrong answer on test 2 | 31 ms | 0 KB |
| 73904976 | Mar/21/2020 19:27 | gcgm_# | C - Hit or Miss | C++17 (GCC 7-32) | Wrong answer on test 2 | 31 ms | 0 KB |
| 73904970 | Mar/21/2020 19:27 | aninhalbuquerque# | G - To and Fro | C++17 (GCC 7-32) | Accepted | 15 ms | 0 KB |
| 73904933 | Mar/21/2020 19:27 | Rods# | D - I Conduit! | C++14 (GCC 6-32) | Time limit exceeded on test 2 | 6000 ms | 2600 KB |
| 73904894 | Mar/21/2020 19:26 | aninhalbuquerque# | A - Alphacode | C++17 (GCC 7-32) | Wrong answer on test 2 | 31 ms | 0 KB |
| 73904673 | Mar/21/2020 19:23 | MatheusLeon# | D - I Conduit! | C++14 (GCC 6-32) | Wrong answer on test 2 | 4913 ms | 1900 KB |
| 73903905 | Mar/21/2020 19:13 | aninhalbuquerque# | A - Alphacode | C++17 (GCC 7-32) | Wrong answer on test 2 | 0 ms | 0 KB |
| 73903811 | Mar/21/2020 19:11 | MatheusLeon# | C - Hit or Miss | C++14 (GCC 6-32) | Runtime error on test 2 | 31 ms | 23500 KB |
| 73903724 | Mar/21/2020 19:10 | Rods# | D - I Conduit! | C++14 (GCC 6-32) | Wrong answer on test 2 | 15 ms | 1600 KB |
| 73903484 | Mar/21/2020 19:07 | kinhosz# | B - Anti-prime Sequences | C++17 (GCC 7-32) | Accepted | 436 ms | 100 KB |
| 73903387 | Mar/21/2020 19:05 | aninhalbuquerque# | A - Alphacode | C++17 (GCC 7-32) | Wrong answer on test 2 | 15 ms | 0 KB |
| 73903251 | Mar/21/2020 19:04 | Rods# | D - I Conduit! | C++14 (GCC 6-32) | Wrong answer on test 2 | 30 ms | 1600 KB |
| 73903091 | Mar/21/2020 19:02 | Rods# | D - I Conduit! | C++14 (GCC 6-32) | Wrong answer on test 2 | 15 ms | 0 KB |
| 73902944 | Mar/21/2020 19:00 | alpvj | C - Hit or Miss | C++14 (GCC 6-32) | Wrong answer on test 2 | 15 ms | 0 KB |
| 73902757 | Mar/21/2020 18:57 | gvh# | F - Team Rankings | C++17 (GCC 7-32) | Wrong answer on test 2 | 15 ms | 100 KB |
| 73902617 | Mar/21/2020 18:55 | MatheusLeon# | D - I Conduit! | C++17 (GCC 7-32) | Wrong answer on test 2 | 608 ms | 1800 KB |
| 73902267 | Mar/21/2020 18:53 | MatheusLeon# | D - I Conduit! | C++17 (GCC 7-32) | Wrong answer on test 2 | 373 ms | 2200 KB |
| 73902239 | Mar/21/2020 18:52 | Rods# | D - I Conduit! | C++14 (GCC 6-32) | Wrong answer on test 2 | 327 ms | 1300 KB |
| 73901914 | Mar/21/2020 18:48 | gvh# | F - Team Rankings | C++17 (GCC 7-32) | Runtime error on test 2 | 15 ms | 100 KB |
Sort by:
Codeforces (c) Copyright 2010-2026 Mike Mirzayanov
The only programming contests Web 2.0 platform
Server time: May/02/2026 06:08:14 (f1).
Desktop version, switch to mobile version.
Supported by
