Luhn's Checksum Algorithm
Luhn's Checksum Algorithm
Back to problem descriptionProblem statistics
| Submissions | 3792 |
| Accepted submissions | 2169 |
| Submission ratio | 57.20% |
| Authors | 1919 |
| Accepted authors | 1839 |
| Author ratio | 95.83% |
| # | Name | Runtime | Language | Date | ID |
|---|---|---|---|---|---|
| 1 | Scott MacIntosh | 0.00 s | C++ | 2018-10-12 15:34:56 | [email protected] site |
| 2 | James Hally | 0.00 s | C | 2018-10-12 15:53:03 | [email protected] site |
| 3 | Hassan Elassady | 0.00 s | C++ | 2018-10-12 15:54:15 | [email protected] site |
| 4 | James He | 0.00 s | C++ | 2018-10-12 16:20:27 | [email protected] site |
| 5 | Justin Wamback | 0.00 s | C | 2018-10-12 17:03:32 | [email protected] site |
| 6 | Katie MacEachern | 0.00 s | C++ | 2018-10-12 19:07:03 | [email protected] site |
| 7 | Steven Halim | 0.00 s | C++ | 2018-10-17 13:12:13 | 3281936 |
| 8 | Ooi Ming Sheng | 0.00 s | C++ | 2018-10-17 14:57:05 | 3282385 |
| 9 | David T | 0.00 s | C++ | 2018-10-17 15:34:54 | 3282565 |
| 10 | Daniel Fernando Santos Bustos | 0.00 s | C++ | 2018-10-17 16:56:55 | 3283012 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | James Hally | 0.00 s | 2018-10-12 15:53:03 | [email protected] site |
| 2 | Justin Wamback | 0.00 s | 2018-10-12 17:03:32 | [email protected] site |
| 3 | Bergur Snorrason | 0.00 s | 2018-10-27 12:15:28 | 3328484 |
| 4 | Ling Wen Jian | 0.00 s | 2018-12-29 20:03:34 | 3615314 |
| 5 | Srikar Ganesh | 0.00 s | 2019-01-24 15:52:48 | 3700391 |
| 6 | Ian Howell | 0.00 s | 2019-03-29 19:29:18 | 4004903 |
| 7 | Siniša Subašić | 0.00 s | 2019-04-05 17:21:24 | 4038524 |
| 8 | Andrew Roberts | 0.00 s | 2019-06-11 00:50:35 | 4246915 |
| 9 | Taha Kherraf | 0.00 s | 2019-08-13 11:15:10 | 4365273 |
| 10 | Oussama Bourqadi | 0.00 s | 2019-08-13 13:11:13 | 4365549 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Chris McGarty | 0.02 s | 2018-10-30 18:32:20 | 3352119 |
| 2 | Sean McGarty | 0.02 s | 2018-10-31 15:27:42 | 3357055 |
| 3 | Martin Wallgren | 0.02 s | 2018-11-28 08:14:02 | 3506194 |
| 4 | Eric Bäckhage | 0.02 s | 2019-02-15 20:51:10 | 3810757 |
| 5 | Mehdi Adelzadeh | 0.02 s | 2019-06-21 21:54:23 | 4266524 |
| 6 | Thomas Norris | 0.02 s | 2019-09-20 16:38:10 | 4544965 |
| 7 | Keiron Beadle | 0.02 s | 2019-09-29 14:49:49 | 4640275 |
| 8 | Michael Palkovics | 0.02 s | 2019-11-10 01:26:49 | 4965992 |
| 9 | Johan Pettersson | 0.02 s | 2019-11-22 03:09:01 | 5028479 |
| 10 | Sebastian Gielinger | 0.02 s | 2019-12-12 07:26:53 | 5120138 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Scott MacIntosh | 0.00 s | 2018-10-12 15:34:56 | [email protected] site |
| 2 | Hassan Elassady | 0.00 s | 2018-10-12 15:54:15 | [email protected] site |
| 3 | James He | 0.00 s | 2018-10-12 16:20:27 | [email protected] site |
| 4 | Katie MacEachern | 0.00 s | 2018-10-12 19:07:03 | [email protected] site |
| 5 | Steven Halim | 0.00 s | 2018-10-17 13:12:13 | 3281936 |
| 6 | Ooi Ming Sheng | 0.00 s | 2018-10-17 14:57:05 | 3282385 |
| 7 | David T | 0.00 s | 2018-10-17 15:34:54 | 3282565 |
| 8 | Daniel Fernando Santos Bustos | 0.00 s | 2018-10-17 16:56:55 | 3283012 |
| 9 | Dmitry Lyubshin | 0.00 s | 2018-10-17 21:45:20 | 3284304 |
| 10 | Henry Xia | 0.00 s | 2018-10-19 03:46:41 | 3290757 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Philippos Boon Alexaki | 0.01 s | 2019-11-18 17:01:38 | 5009780 |
| 2 | David Cawthon | 0.02 s | 2019-04-13 01:22:54 | 4072715 |
| 3 | Hidden user | 0.02 s | 2019-05-25 04:10:51 | 4215517 |
| 4 | Hidden user | 0.03 s | 2019-01-08 12:20:00 | 3639204 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Patrick Bahr | 0.04 s | 2021-02-21 21:20:51 | 6893123 |
| 2 | Sebastian Sternberg | 0.04 s | 2021-08-25 17:01:50 | 7549379 |
| 3 | Jacob Harris Cryer Kragh | 0.04 s | 2022-06-27 15:26:59 | 9086919 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Anmol Sharma | 0.02 s | 2019-11-08 11:34:46 | 4950706 |
| 2 | Krzysztof Gibuła | 0.02 s | 2021-05-11 16:36:29 | 7247625 |
| 3 | William Fiset | 0.07 s | 2018-10-27 04:40:35 | 3327170 |
| 4 | Patrik Lilja | 0.07 s | 2018-11-15 18:15:21 | 3459528 |
| 5 | Eric Martin | 0.07 s | 2018-12-24 03:32:31 | 3601658 |
| 6 | Conor McGovern | 0.07 s | 2019-03-09 18:49:29 | 3906922 |
| 7 | Norbert Voelker | 0.08 s | 2021-04-15 19:38:04 | 7152261 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Brent Yorgey | 0.01 s | 2018-10-17 12:46:50 | 3281820 |
| 2 | Matthew Johnson | 0.01 s | 2019-05-15 05:28:33 | 4185686 |
| 3 | Isaac Arvestad | 0.01 s | 2019-08-11 13:02:56 | 4361380 |
| 4 | Hidden user | 0.01 s | 2019-08-13 09:53:25 | 4365075 |
| 5 | Rudi Svartveit | 0.01 s | 2019-09-11 14:47:37 | 4470173 |
| 6 | Mitchell Wright | 0.01 s | 2020-02-19 17:53:22 | 5347162 |
| 7 | Steinar Simonnes | 0.01 s | 2020-09-03 18:57:12 | 6030149 |
| 8 | Andrés Marzal Varó | 0.01 s | 2020-10-10 15:46:13 | 6252014 |
| 9 | Jan Hrček | 0.01 s | 2020-10-19 05:23:56 | 6294515 |
| 10 | Caleb Surovik | 0.01 s | 2021-06-27 18:07:10 | 7405763 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Finn Lidbetter | 0.05 s | 2018-10-17 14:23:37 | 3282241 |
| 2 | James Black | 0.05 s | 2018-10-22 14:54:20 | 3304811 |
| 3 | José Vander Meulen | 0.05 s | 2018-10-23 14:40:59 | 3309564 |
| 4 | Morgan K Bender | 0.06 s | 2018-10-12 16:15:54 | [email protected] site |
| 5 | Lee Wei Hong | 0.06 s | 2018-10-18 08:59:53 | 3286242 |
| 6 | Jason Tomkins | 0.06 s | 2018-10-18 22:54:04 | 3289924 |
| 7 | Lexie Nance | 0.06 s | 2018-10-19 02:36:25 | 3290553 |
| 8 | Kyle Kelly | 0.06 s | 2018-10-20 14:08:50 | 3296386 |
| 9 | Anh Mai Le Xuan | 0.06 s | 2018-10-21 17:07:22 | 3301009 |
| 10 | Travis Dula | 0.06 s | 2020-07-19 03:13:21 | 5862755 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Peter Kedemo | 0.42 s | 2020-01-01 11:49:12 | 5163232 |
| 2 | John | 0.42 s | 2020-07-27 10:13:24 | 5893746 |
| 3 | Minh Phúc Lê | 0.42 s | 2020-08-08 15:43:57 | 5929053 |
| 4 | Hovhannes Kantuni | 0.42 s | 2020-09-02 17:56:05 | 6024132 |
| 5 | Andoko Chandra | 0.42 s | 2020-10-04 07:28:43 | 6208692 |
| 6 | Chris Wong | 0.42 s | 2021-02-07 12:32:01 | 6804932 |
| 7 | DGC | 0.42 s | 2021-02-13 13:13:08 | 6844290 |
| 8 | Niamh Limerick | 0.42 s | 2022-01-29 23:28:51 | 8356219 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Håkan Lindahl | 0.02 s | 2022-06-16 20:58:49 | 9058394 |
| 2 | Bjørn Chr. Soltvedt | 0.03 s | 2018-10-19 16:22:58 | 3292626 |
| 3 | Jeremy Loh | 0.03 s | 2019-01-04 15:28:46 | 3629476 |
| 4 | Casey Smith | 0.03 s | 2019-05-28 14:57:13 | 4221463 |
| 5 | Nicklas Utgaard | 0.03 s | 2019-10-31 19:07:01 | 4895679 |
| 6 | Rolands | 0.03 s | 2020-05-31 14:15:56 | 5739573 |
| 7 | Zachary DeStefano | 0.03 s | 2020-09-04 01:23:45 | 6031358 |
| 8 | Peter Menyes | 0.03 s | 2021-03-10 19:52:27 | 7004000 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Hidden user | 0.14 s | 2019-12-20 13:16:24 | 5140959 |
| 2 | Johnny Baloney | 0.15 s | 2021-12-02 11:46:00 | 8113387 |
| 3 | James WIlliams | 0.17 s | 2020-09-06 20:37:34 | 6046533 |
| 4 | Arda Atçı | 0.19 s | 2020-07-07 20:42:09 | 5826375 |
| 5 | Ola Sundell | 0.21 s | 2019-08-19 11:50:00 | 4380323 |
| 6 | Sergey Jakobsen | 0.21 s | 2021-06-02 22:51:09 | 7332394 |
| 7 | Neil Harmon | 0.22 s | 2019-04-09 13:59:09 | 4055274 |
| 8 | Sarek Høverstad Skotåm | 0.22 s | 2020-10-10 19:16:25 | 6253165 |
| 9 | Hidden user | 0.25 s | 2019-11-14 20:21:45 | 4991748 |
| 10 | Troy Warmboe | 0.25 s | 2020-02-08 00:41:02 | 5298018 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Ingemar Ragnemalm | 0.00 s | 2019-01-09 08:48:08 | 3641339 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Renate | 0.01 s | 2021-07-17 15:34:11 | 7455860 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Haochen Chen | 0.03 s | 2018-10-21 21:06:46 | 3302110 |
| 2 | Johann Ly | 0.03 s | 2018-10-30 06:16:55 | 3348732 |
| 3 | Eric Törnqvist | 0.03 s | 2018-12-17 21:57:53 | 3584008 |
| 4 | Andrei Stoica | 0.03 s | 2019-01-16 21:56:55 | 3667096 |
| 5 | Johan Lyts | 0.03 s | 2019-02-18 21:02:04 | 3826757 |
| 6 | Martin Tran | 0.03 s | 2019-03-23 17:28:05 | 3968813 |
| 7 | Hidden user | 0.03 s | 2019-07-01 16:29:33 | 4281388 |
| 8 | Hasan Kalzi | 0.03 s | 2022-06-18 09:44:03 | 9062127 |
| 9 | Ciara Godwin | 0.04 s | 2018-10-17 14:15:14 | 3282206 |
| 10 | Andreas Eisele | 0.04 s | 2018-10-19 22:39:29 | 3294317 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Graeme Zinck | 0.02 s | 2018-10-12 15:14:26 | [email protected] site |
| 2 | Nigel Quinn | 0.02 s | 2018-10-19 23:11:47 | 3294437 |
| 3 | Peter Beattie | 0.02 s | 2018-10-23 10:37:51 | 3308604 |
| 4 | Kevin Chen | 0.02 s | 2018-11-05 02:43:59 | 3395491 |
| 5 | Łukasz Łukaszew | 0.02 s | 2018-11-24 21:04:48 | 3494164 |
| 6 | Jakob Kallestad | 0.02 s | 2018-11-25 15:13:23 | 3497034 |
| 7 | Jacob Raymond | 0.02 s | 2018-11-27 19:19:52 | 3504850 |
| 8 | Arnav Sastry | 0.02 s | 2018-11-28 02:48:48 | 3505783 |
| 9 | João Pedro Alvito | 0.02 s | 2018-12-02 14:00:11 | 3525678 |
| 10 | Manu Lam | 0.02 s | 2018-12-08 18:29:21 | 3552361 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Macdara mac an tSionnaigh | 0.04 s | 2019-09-15 14:49:39 | 4496514 |
| 2 | Donald Dong | 0.05 s | 2018-12-30 23:17:55 | 3617511 |
| 3 | Jason Lau | 0.05 s | 2019-03-05 11:56:09 | 3890862 |
| 4 | Miorel Palii | 0.06 s | 2018-11-05 04:04:37 | 3395788 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Jon Pacheco | 0.00 s | 2018-11-03 16:14:03 | 3377596 |
| 2 | Farooq Khan | 0.00 s | 2020-05-28 21:49:33 | 5733567 |
| 3 | Brendan Jones | 0.00 s | 2020-06-13 08:30:48 | 5768288 |
| 4 | Isak Jägberg | 0.00 s | 2020-07-17 22:22:00 | 5859147 |
| 5 | David Rasch | 0.00 s | 2020-09-11 09:15:56 | 6069476 |
| 6 | Albert Rise Nielsen | 0.00 s | 2020-10-13 14:18:09 | 6266290 |
| 7 | Hidden user | 0.00 s | 2021-02-15 12:14:13 | 6857543 |
| 8 | David Zacek | 0.00 s | 2021-05-24 22:48:23 | 7289959 |
| 9 | Freek van Keulen | 0.00 s | 2021-07-18 18:25:15 | 7458069 |
| 10 | Chun Mun Soon | 0.00 s | 2021-07-25 05:21:02 | 7471652 |