→ About Contest
The 2009 ACM-ICPC East Central North America Regional Programming Contest (ACM-ICPC ECNA RPC) was held on Saturday October 31, 2009. We had 115 teams drawn from 60 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 |
|---|---|---|---|---|---|---|---|
| 18850080 | Jul/02/2016 09:52 | Night_Raven | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 0 KB |
| 18850072 | Jul/02/2016 09:51 | vjudge3 | A - Arithmetically Challenged | GNU C++11 | Accepted | 15 ms | 0 KB |
| 18850068 | Jul/02/2016 09:50 | vjudge4 | A - Arithmetically Challenged | GNU C++11 | Wrong answer on test 1 | 0 ms | 0 KB |
| 18849969 | Jul/02/2016 09:36 | vjudge4 | A - Arithmetically Challenged | GNU C++11 | Runtime error on test 1 | 15 ms | 0 KB |
| 18779702 | Jun/29/2016 11:25 | prateep | H - Windows | GNU C++ | Accepted | 0 ms | 0 KB |
| 18217625 | Jun/02/2016 16:43 | unnamed_01 | D - Flipper | GNU C++ | Accepted | 15 ms | 2800 KB |
| 18217353 | Jun/02/2016 16:27 | unnamed_01 | D - Flipper | GNU C++ | Wrong answer on test 1 | 0 ms | 2600 KB |
| 18217302 | Jun/02/2016 16:24 | unnamed_01 | D - Flipper | GNU C++ | Runtime error on test 1 | 0 ms | 2700 KB |
| 18217192 | Jun/02/2016 16:17 | unnamed_01 | D - Flipper | GNU C++ | Compilation error | 0 ms | 0 KB |
| 18217131 | Jun/02/2016 16:13 | NEUQ_VJ | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2100 KB |
| 18217116 | Jun/02/2016 16:12 | NEUQ_VJ | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2100 KB |
| 18184423 | Jun/01/2016 18:15 | DrIsaac | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2100 KB |
| 18184399 | Jun/01/2016 18:13 | DrIsaac | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2100 KB |
| 18184340 | Jun/01/2016 18:08 | DrIsaac | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 1 | 0 ms | 2200 KB |
| 18183966 | Jun/01/2016 17:30 | DrIsaac | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2400 KB |
| 18183829 | Jun/01/2016 17:16 | DrIsaac | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 1 | 0 ms | 2200 KB |
| 18183630 | Jun/01/2016 17:04 | DrIsaac | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 2 | 15 ms | 2100 KB |
| 18183430 | Jun/01/2016 16:53 | DrIsaac | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 2 | 15 ms | 2100 KB |
| 18153171 | May/30/2016 08:48 | zhuky.RLG | D - Flipper | GNU C++ | Accepted | 15 ms | 2100 KB |
| 18153153 | May/30/2016 08:44 | zhuky.RLG | D - Flipper | GNU C++ | Wrong answer on test 2 | 15 ms | 2100 KB |
| 18142148 | May/29/2016 10:00 | zhuky.RLG | D - Flipper | GNU C++ | Wrong answer on test 2 | 15 ms | 2300 KB |
| 18142114 | May/29/2016 09:57 | zhuky.RLG | D - Flipper | GNU C++ | Wrong answer on test 1 | 15 ms | 2000 KB |
| 18142093 | May/29/2016 09:55 | zhuky.RLG | D - Flipper | GNU C++ | Wrong answer on test 1 | 0 ms | 2000 KB |
| 18141370 | May/29/2016 08:47 | Denverjin | D - Flipper | GNU C++ | Accepted | 15 ms | 2100 KB |
| 18141245 | May/29/2016 08:30 | vjudge5 | D - Flipper | GNU C++ | Accepted | 30 ms | 2100 KB |
| 18131787 | May/28/2016 15:55 | hwy2004 | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2000 KB |
| 18131774 | May/28/2016 15:54 | vjudge1 | A - Arithmetically Challenged | GNU C++11 | Accepted | 15 ms | 2000 KB |
| 18129744 | May/28/2016 12:50 | hwy2004 | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 1 | 0 ms | 2000 KB |
| 18129717 | May/28/2016 12:48 | vjudge3 | A - Arithmetically Challenged | GNU C++11 | Wrong answer on test 1 | 0 ms | 2000 KB |
| 18129701 | May/28/2016 12:47 | vjudge3 | A - Arithmetically Challenged | GNU C | Compilation error | 0 ms | 0 KB |
| 18129670 | May/28/2016 12:44 | vjudge2 | A - Arithmetically Challenged | GNU C | Compilation error | 0 ms | 0 KB |
| 18119456 | May/27/2016 17:05 | qazxsw123 | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 2 | 15 ms | 2000 KB |
| 18119358 | May/27/2016 16:57 | qazxsw123 | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 1 | 0 ms | 2000 KB |
| 18118360 | May/27/2016 15:49 | ray_bb | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2100 KB |
| 18118045 | May/27/2016 15:26 | vjudge5 | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2200 KB |
| 18117751 | May/27/2016 15:07 | ray_bb | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 2 | 15 ms | 2100 KB |
| 18117516 | May/27/2016 14:53 | ray_bb | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 2 | 15 ms | 2100 KB |
| 18117360 | May/27/2016 14:44 | ray_bb | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 2 | 15 ms | 2300 KB |
| 18117246 | May/27/2016 14:37 | AnnieCai | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2000 KB |
| 18106165 | May/26/2016 18:10 | llaa | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2100 KB |
| 18072522 | May/25/2016 16:56 | llaa | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2000 KB |
| 18056119 | May/24/2016 16:34 | llaa | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2500 KB |
| 18056105 | May/24/2016 16:33 | llaa | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 1 | 15 ms | 2400 KB |
| 18056020 | May/24/2016 16:26 | Puredigital | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2200 KB |
| 18055993 | May/24/2016 16:25 | vjudge5 | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2200 KB |
| 18055885 | May/24/2016 16:16 | vjudge3 | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 2 | 15 ms | 2300 KB |
| 18055840 | May/24/2016 16:13 | vjudge5 | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 1 | 0 ms | 2100 KB |
| 18054357 | May/24/2016 14:32 | Denverjin | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2000 KB |
| 18054350 | May/24/2016 14:32 | vjudge2 | A - Arithmetically Challenged | GNU C++ | Accepted | 15 ms | 2100 KB |
| 18054244 | May/24/2016 14:21 | vjudge1 | A - Arithmetically Challenged | GNU C++ | Wrong answer on test 1 | 0 ms | 2000 KB |
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