→ About Contest
The 2016 ACM ICPC East Central North America Regional Programming Contest (ACM ICPC ECNA RPC) was held on Saturday, October 29, 2016. We had 123 teams from 49 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 |
|---|---|---|---|---|---|---|---|
| 394459427 | Oct/14/2026 04:19 | ecna_practice_team: sokosam, try_my_hardest, connorusaty# | H - Vin Diagrams | C++20 (GCC 13-64) | Accepted | 31 ms | 0 KB |
| 394457104 | Oct/14/2026 03:08 | ecna_practice_team: sokosam, try_my_hardest, connorusaty# | B - Foosball Dynasty | Python 3 | Accepted | 78 ms | 300 KB |
| 394456526 | Oct/14/2026 02:48 | ecna_practice_team: sokosam, try_my_hardest, connorusaty# | D - Lost in Translation | C++20 (GCC 13-64) | Accepted | 31 ms | 0 KB |
| 394456119 | Oct/14/2026 02:33 | ecna_practice_team: sokosam, try_my_hardest, connorusaty# | D - Lost in Translation | C++20 (GCC 13-64) | Wrong answer on test 9 | 31 ms | 0 KB |
| 394456040 | Oct/14/2026 02:30 | ecna_practice_team: sokosam, try_my_hardest, connorusaty# | D - Lost in Translation | C++20 (GCC 13-64) | Wrong answer on test 9 | 31 ms | 0 KB |
| 394456015 | Oct/14/2026 02:30 | ecna_practice_team: sokosam, try_my_hardest, connorusaty# | E - Red Rover | Python 3 | Accepted | 62 ms | 1500 KB |
| 394455851 | Oct/14/2026 02:24 | ecna_practice_team: sokosam, try_my_hardest, connorusaty# | E - Red Rover | Python 3 | Wrong answer on test 1 | 46 ms | 100 KB |
| 394455787 | Oct/14/2026 02:22 | ecna_practice_team: sokosam, try_my_hardest, connorusaty# | E - Red Rover | Python 3 | Runtime error on test 1 | 62 ms | 2100 KB |
| 394455008 | Oct/14/2026 01:51 | ecna_practice_team: sokosam, try_my_hardest, connorusaty# | C - The Key to Cryptography | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 393649957 | Oct/08/2026 01:53 | Soria | F - Removal Game | C++20 (GCC 13-64) | Accepted | 343 ms | 100 KB |
| 393649715 | Oct/08/2026 01:44 | Soria | F - Removal Game | C++20 (GCC 13-64) | Wrong answer on test 3 | 312 ms | 100 KB |
| 393451367 | Oct/07/2026 01:58 | Soria | H - Vin Diagrams | C++20 (GCC 13-64) | Accepted | 46 ms | 0 KB |
| 393450546 | Oct/07/2026 01:26 | Soria | H - Vin Diagrams | C++20 (GCC 13-64) | Wrong answer on test 3 | 31 ms | 0 KB |
| 393450308 | Oct/07/2026 01:17 | Soria | H - Vin Diagrams | C++20 (GCC 13-64) | Wrong answer on test 3 | 31 ms | 0 KB |
| 393232283 | Oct/04/2026 23:28 | Soria | G - That's One Hanoi-ed Teacher | C++20 (GCC 13-64) | Accepted | 46 ms | 0 KB |
| 393232234 | Oct/04/2026 23:28 | Soria | G - That's One Hanoi-ed Teacher | C++20 (GCC 13-64) | Wrong answer on test 2 | 31 ms | 0 KB |
| 393126437 | Oct/04/2026 05:33 | CapyBabys: Christopher_Rdz, ignacio_benq, Soria# | I - Waif Until Dark | C++20 (GCC 13-64) | Accepted | 31 ms | 0 KB |
| 393125560 | Oct/04/2026 05:11 | CapyBabys: Christopher_Rdz, ignacio_benq, Soria# | I - Waif Until Dark | C++20 (GCC 13-64) | Wrong answer on test 4 | 62 ms | 0 KB |
| 393122497 | Oct/04/2026 03:31 | CapyBabys: Christopher_Rdz, ignacio_benq, Soria# | D - Lost in Translation | C++20 (GCC 13-64) | Accepted | 31 ms | 0 KB |
| 393121964 | Oct/04/2026 03:05 | CapyBabys: Christopher_Rdz, ignacio_benq, Soria# | D - Lost in Translation | C++20 (GCC 13-64) | Wrong answer on test 9 | 31 ms | 0 KB |
| 393121670 | Oct/04/2026 02:46 | CapyBabys: Christopher_Rdz, ignacio_benq, Soria# | D - Lost in Translation | C++20 (GCC 13-64) | Wrong answer on test 9 | 46 ms | 0 KB |
| 393120290 | Oct/04/2026 01:31 | CapyBabys: Christopher_Rdz, ignacio_benq, Soria# | B - Foosball Dynasty | C++20 (GCC 13-64) | Accepted | 46 ms | 0 KB |
| 393119447 | Oct/04/2026 00:58 | CapyBabys: Christopher_Rdz, ignacio_benq, Soria# | E - Red Rover | C++20 (GCC 13-64) | Accepted | 46 ms | 0 KB |
| 393119157 | Oct/04/2026 00:48 | CapyBabys: Christopher_Rdz, ignacio_benq, Soria# | C - The Key to Cryptography | C++20 (GCC 13-64) | Accepted | 31 ms | 0 KB |
| 391076989 | Sep/18/2026 00:35 | phibrain | F - Removal Game | C++23 (GCC 14-64, msys2) | Accepted | 140 ms | 400 KB |
| 391075169 | Sep/17/2026 23:50 | phibrain | F - Removal Game | C++23 (GCC 14-64, msys2) | Wrong answer on test 17 | 140 ms | 300 KB |
| 391075090 | Sep/17/2026 23:49 | phibrain | F - Removal Game | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 3 | 1000 ms | 4800 KB |
| 391074879 | Sep/17/2026 23:45 | phibrain | F - Removal Game | C++23 (GCC 14-64, msys2) | Time limit exceeded on test 3 | 1000 ms | 0 KB |
| 388500165 | Aug/26/2026 21:13 | CtrlAlt | E - Red Rover | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 100 KB |
| 382724041 | Jul/15/2026 05:02 | Paletería la Michoacana: Danny_Niel, JoseMiguel10, DEmmaRL# | I - Waif Until Dark | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 382722556 | Jul/15/2026 04:40 | Paletería la Michoacana: Danny_Niel, JoseMiguel10, DEmmaRL# | I - Waif Until Dark | C++17 (GCC 7-32) | Wrong answer on test 4 | 15 ms | 0 KB |
| 382722179 | Jul/15/2026 04:34 | Paletería la Michoacana: Danny_Niel, JoseMiguel10, DEmmaRL# | B - Foosball Dynasty | C++20 (GCC 13-64) | Accepted | 31 ms | 0 KB |
| 382721683 | Jul/15/2026 04:26 | Paletería la Michoacana: Danny_Niel, JoseMiguel10, DEmmaRL# | B - Foosball Dynasty | C++20 (GCC 13-64) | Wrong answer on test 4 | 31 ms | 0 KB |
| 382721448 | Jul/15/2026 04:22 | Paletería la Michoacana: Danny_Niel, JoseMiguel10, DEmmaRL# | I - Waif Until Dark | C++17 (GCC 7-32) | Wrong answer on test 19 | 46 ms | 0 KB |
| 382720726 | Jul/15/2026 04:09 | Paletería la Michoacana: Danny_Niel, JoseMiguel10, DEmmaRL# | I - Waif Until Dark | C++17 (GCC 7-32) | Wrong answer on test 19 | 31 ms | 0 KB |
| 382718932 | Jul/15/2026 03:26 | Paletería la Michoacana: Danny_Niel, JoseMiguel10, DEmmaRL# | E - Red Rover | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 0 KB |
| 382717447 | Jul/15/2026 02:47 | Paletería la Michoacana: Danny_Niel, JoseMiguel10, DEmmaRL# | D - Lost in Translation | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 100 KB |
| 382717110 | Jul/15/2026 02:38 | Paletería la Michoacana: Danny_Niel, JoseMiguel10, DEmmaRL# | D - Lost in Translation | C++23 (GCC 14-64, msys2) | Wrong answer on test 4 | 31 ms | 0 KB |
| 382716235 | Jul/15/2026 02:11 | Paletería la Michoacana: Danny_Niel, JoseMiguel10, DEmmaRL# | C - The Key to Cryptography | C++20 (GCC 13-64) | Accepted | 46 ms | 100 KB |
| 368132107 | Mar/25/2026 14:19 | CtrlAlt | C - The Key to Cryptography | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 0 KB |
| 357643022 | Jan/13/2026 04:09 | Jaiderbr | B - Foosball Dynasty | Python 3 | Wrong answer on test 1 | 46 ms | 300 KB |
| 350202688 | Nov/22/2025 15:47 | Ziad Aref Salah: Yousef_Aref, salah_mostafa3060, ZiadMontaser# | D - Lost in Translation | C++20 (GCC 13-64) | Wrong answer on test 4 | 46 ms | 100 KB |
| 350202662 | Nov/22/2025 15:46 | Ziad Aref Salah: Yousef_Aref, salah_mostafa3060, ZiadMontaser# | D - Lost in Translation | C++20 (GCC 13-64) | Accepted | 62 ms | 200 KB |
| 350194380 | Nov/22/2025 14:39 | Ziad Aref Salah: Yousef_Aref, salah_mostafa3060, ZiadMontaser# | I - Waif Until Dark | C++23 (GCC 14-64, msys2) | Accepted | 46 ms | 400 KB |
| 350193357 | Nov/22/2025 14:30 | Ziad Aref Salah: Yousef_Aref, salah_mostafa3060, ZiadMontaser# | D - Lost in Translation | C++20 (GCC 13-64) | Accepted | 61 ms | 0 KB |
| 350189938 | Nov/22/2025 14:03 | Ziad Aref Salah: Yousef_Aref, salah_mostafa3060, ZiadMontaser# | B - Foosball Dynasty | C++20 (GCC 13-64) | Accepted | 61 ms | 100 KB |
| 350185764 | Nov/22/2025 13:31 | Ziad Aref Salah: Yousef_Aref, salah_mostafa3060, ZiadMontaser# | B - Foosball Dynasty | C++20 (GCC 13-64) | Wrong answer on test 3 | 30 ms | 0 KB |
| 350176721 | Nov/22/2025 12:18 | Ziad Aref Salah: Yousef_Aref, salah_mostafa3060, ZiadMontaser# | C - The Key to Cryptography | C++23 (GCC 14-64, msys2) | Accepted | 62 ms | 0 KB |
| 350176672 | Nov/22/2025 12:18 | Ziad Aref Salah: Yousef_Aref, salah_mostafa3060, ZiadMontaser# | C - The Key to Cryptography | C++20 (GCC 13-64) | Accepted | 62 ms | 0 KB |
| 350176477 | Nov/22/2025 12:16 | Ziad Aref Salah: Yousef_Aref, salah_mostafa3060, ZiadMontaser# | C - The Key to Cryptography | C++20 (GCC 13-64) | Wrong answer on test 3 | 31 ms | 0 KB |
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