→ About Contest
Facebook Hacker Cup is an international programming competition hosted and administered by Facebook. The competition began in 2011 as a means to identify top engineering talent for potential employment at Facebook. The competition consists of a set of algorithmic problems which must be solved in a fixed amount of time. Competitors may use any programming language and development environment to obtain their solutions.
→ 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 |
|---|---|---|---|---|---|---|---|
| 55728130 | Jun/18/2019 22:00 | kimbj0709 | B - Leapfrog: Ch. 2 | C++17 (GCC 7-32) | Wrong answer on test 1 | 15 ms | 100 KB |
| 55728107 | Jun/18/2019 21:59 | kimbj0709 | A - Leapfrog: Ch. 1 | C++17 (GCC 7-32) | Wrong answer on test 1 | 15 ms | 100 KB |
| 55727491 | Jun/18/2019 21:36 | gratus907 | B - Leapfrog: Ch. 2 | C++17 (GCC 7-32) | Accepted | 15 ms | 0 KB |
| 55727474 | Jun/18/2019 21:36 | gratus907 | A - Leapfrog: Ch. 1 | C++17 (GCC 7-32) | Accepted | 31 ms | 0 KB |
| 55725720 | Jun/18/2019 20:36 | flashmt | D - Trees as a Service | C++17 (GCC 7-32) | Accepted | 77 ms | 300 KB |
| 55725466 | Jun/18/2019 20:28 | Black_hat123 | B - Leapfrog: Ch. 2 | C++14 (GCC 6-32) | Accepted | 61 ms | 0 KB |
| 55725448 | Jun/18/2019 20:28 | Black_hat123 | A - Leapfrog: Ch. 1 | C++14 (GCC 6-32) | Accepted | 0 ms | 0 KB |
| 55724682 | Jun/18/2019 20:04 | alihafez.8000 | B - Leapfrog: Ch. 2 | Java 8 | Accepted | 186 ms | 0 KB |
| 55724661 | Jun/18/2019 20:04 | alihafez.8000 | A - Leapfrog: Ch. 1 | Java 8 | Accepted | 155 ms | 0 KB |
| 55724652 | Jun/18/2019 20:04 | PARTH_4399# | C - Mr. X | Python 3 | Accepted | 389 ms | 300 KB |
| 55724645 | Jun/18/2019 20:03 | alihafez.8000 | A - Leapfrog: Ch. 1 | Java 8 | Runtime error on test 1 | 62 ms | 0 KB |
| 55724572 | Jun/18/2019 20:01 | PARTH_4399# | A - Leapfrog: Ch. 1 | GNU C++11 | Accepted | 31 ms | 0 KB |
| 55724547 | Jun/18/2019 20:01 | PARTH_4399# | B - Leapfrog: Ch. 2 | GNU C++11 | Accepted | 46 ms | 0 KB |
| 55724542 | Jun/18/2019 20:00 | SebaMarin | C - Mr. X | C++14 (GCC 6-32) | Accepted | 15 ms | 0 KB |
| 55724535 | Jun/18/2019 20:00 | SebaMarin | B - Leapfrog: Ch. 2 | C++14 (GCC 6-32) | Accepted | 15 ms | 0 KB |
| 55724526 | Jun/18/2019 20:00 | SebaMarin | A - Leapfrog: Ch. 1 | C++14 (GCC 6-32) | Accepted | 31 ms | 0 KB |
| 55724349 | Jun/18/2019 19:55 | flashmt | C - Mr. X | C++17 (GCC 7-32) | Accepted | 30 ms | 0 KB |
| 55724337 | Jun/18/2019 19:54 | flashmt | B - Leapfrog: Ch. 2 | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 55724329 | Jun/18/2019 19:54 | flashmt | A - Leapfrog: Ch. 1 | C++17 (GCC 7-32) | Accepted | 61 ms | 0 KB |
| 55722342 | Jun/18/2019 18:56 | rkpinto | A - Leapfrog: Ch. 1 | C++14 (GCC 6-32) | Wrong answer on test 1 | 15 ms | 0 KB |
| 55722239 | Jun/18/2019 18:52 | rkpinto | B - Leapfrog: Ch. 2 | C++14 (GCC 6-32) | Wrong answer on test 2 | 15 ms | 0 KB |
| 55721963 | Jun/18/2019 18:45 | rkpinto | C - Mr. X | C++14 (GCC 6-32) | Accepted | 15 ms | 200 KB |
| 55721314 | Jun/18/2019 18:25 | Blencer | B - Leapfrog: Ch. 2 | PyPy 3 | Accepted | 155 ms | 2100 KB |
| 55721295 | Jun/18/2019 18:25 | Blencer | A - Leapfrog: Ch. 1 | PyPy 3 | Accepted | 155 ms | 2200 KB |
| 55721286 | Jun/18/2019 18:25 | Blencer | A - Leapfrog: Ch. 1 | PyPy 3 | Wrong answer on test 1 | 124 ms | 0 KB |
| 55721233 | Jun/18/2019 18:23 | Blencer | A - Leapfrog: Ch. 1 | PyPy 3 | Wrong answer on test 1 | 108 ms | 0 KB |
| 55721197 | Jun/18/2019 18:22 | Blencer | A - Leapfrog: Ch. 1 | PyPy 3 | Wrong answer on test 1 | 109 ms | 0 KB |
| 55721190 | Jun/18/2019 18:22 | Blencer | A - Leapfrog: Ch. 1 | PyPy 3 | Wrong answer on test 1 | 108 ms | 0 KB |
| 55721156 | Jun/18/2019 18:21 | chemthan | D - Trees as a Service | C++17 (GCC 7-32) | Accepted | 31 ms | 400 KB |
| 55718855 | Jun/18/2019 17:10 | DomiKo | C - Mr. X | Python 3 | Accepted | 265 ms | 600 KB |
| 55718842 | Jun/18/2019 17:10 | DomiKo | C - Mr. X | Python 3 | Wrong answer on test 1 | 93 ms | 0 KB |
| 55718835 | Jun/18/2019 17:10 | DomiKo | C - Mr. X | C++17 (GCC 7-32) | Compilation error | 0 ms | 0 KB |
| 55718794 | Jun/18/2019 17:08 | r.aanandakrishnan | B - Leapfrog: Ch. 2 | C++14 (GCC 6-32) | Accepted | 15 ms | 200 KB |
| 55718777 | Jun/18/2019 17:08 | Sir_Edward | A - Leapfrog: Ch. 1 | C++14 (GCC 6-32) | Accepted | 15 ms | 0 KB |
| 55718761 | Jun/18/2019 17:07 | r.aanandakrishnan | A - Leapfrog: Ch. 1 | C++14 (GCC 6-32) | Accepted | 30 ms | 0 KB |
| 55718721 | Jun/18/2019 17:06 | Sir_Edward | B - Leapfrog: Ch. 2 | C++14 (GCC 6-32) | Accepted | 15 ms | 200 KB |
| 55718010 | Jun/18/2019 16:44 | EsmaelSY | A - Leapfrog: Ch. 1 | GNU C++11 | Accepted | 31 ms | 0 KB |
| 55718000 | Jun/18/2019 16:43 | EsmaelSY | B - Leapfrog: Ch. 2 | GNU C++11 | Accepted | 15 ms | 0 KB |
| 55717430 | Jun/18/2019 16:27 | akshaykumar99 | B - Leapfrog: Ch. 2 | C++14 (GCC 6-32) | Accepted | 0 ms | 0 KB |
| 55717408 | Jun/18/2019 16:26 | akshaykumar99 | A - Leapfrog: Ch. 1 | C++14 (GCC 6-32) | Accepted | 15 ms | 0 KB |
| 55716075 | Jun/18/2019 15:46 | madlad | C - Mr. X | C++14 (GCC 6-32) | Wrong answer on test 1 | 15 ms | 0 KB |
| 55715829 | Jun/18/2019 15:39 | mtdrewski | D - Trees as a Service | C++17 (GCC 7-32) | Accepted | 93 ms | 300 KB |
| 55713913 | Jun/18/2019 14:43 | mtdrewski | D - Trees as a Service | C++17 (GCC 7-32) | Time limit exceeded on test 2 | 5000 ms | 400 KB |
| 55713865 | Jun/18/2019 14:41 | Prateek | A - Leapfrog: Ch. 1 | C++17 (GCC 7-32) | Accepted | 31 ms | 0 KB |
| 55713410 | Jun/18/2019 14:28 | ace_loves_xq | B - Leapfrog: Ch. 2 | C++14 (GCC 6-32) | Accepted | 15 ms | 0 KB |
| 55713395 | Jun/18/2019 14:28 | ace_loves_xq | A - Leapfrog: Ch. 1 | C++14 (GCC 6-32) | Accepted | 15 ms | 0 KB |
| 55713378 | Jun/18/2019 14:27 | RNR | A - Leapfrog: Ch. 1 | C++17 (GCC 7-32) | Accepted | 46 ms | 0 KB |
| 55712303 | Jun/18/2019 13:54 | CodenameGHOST | B - Leapfrog: Ch. 2 | C++17 (GCC 7-32) | Accepted | 15 ms | 200 KB |
| 55712279 | Jun/18/2019 13:53 | CodenameGHOST | A - Leapfrog: Ch. 1 | C++17 (GCC 7-32) | Accepted | 15 ms | 0 KB |
| 55712262 | Jun/18/2019 13:52 | CodenameGHOST | A - Leapfrog: Ch. 1 | C++17 (GCC 7-32) | Wrong answer on test 1 | 2371 ms | 100 KB |
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