Erase Securely
Erase Securely
Back to problem descriptionProblem statistics
| Submissions | 7283 |
| Accepted submissions | 3795 |
| Submission ratio | 52.11% |
| Authors | 3470 |
| Accepted authors | 3254 |
| Author ratio | 93.78% |
| # | Name | Runtime | Language | Date | ID |
|---|---|---|---|---|---|
| 1 | Anders Roy Christiansen | 0.00 s | C++ | 2013-10-05 09:44:58 | 410641 |
| 2 | Mikko Sysikaski | 0.00 s | C++ | 2013-10-05 09:45:01 | 410642 |
| 3 | cyberFAUbia | 0.00 s | C++ | 2013-10-05 09:49:40 | 410651 |
| 4 | Evgeny Savinov | 0.00 s | C++ | 2013-10-05 09:50:58 | 410653 |
| 5 | Ashwin Krish | 0.00 s | C++ | 2013-10-05 09:51:17 | 410654 |
| 6 | Dilson Guimarães | 0.00 s | C++ | 2013-10-05 09:55:45 | 410660 |
| 7 | Jakub Šafin | 0.00 s | C++ | 2013-10-05 09:56:22 | 410662 |
| 8 | Jeroen Bransen | 0.00 s | C | 2013-10-05 10:01:34 | 410672 |
| 9 | Pulkit Goel | 0.00 s | C++ | 2013-10-05 10:03:31 | 410673 |
| 10 | Jan-Willem Buurlage | 0.00 s | C++ | 2013-10-05 10:07:35 | 410683 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Jeroen Bransen | 0.00 s | 2013-10-05 10:01:34 | 410672 |
| 2 | Love Engman | 0.00 s | 2013-10-07 20:59:48 | 413420 |
| 3 | Tim Hedberg | 0.00 s | 2013-10-07 21:29:56 | 413479 |
| 4 | Johannes Olegård | 0.00 s | 2014-08-29 20:21:45 | [email protected] site |
| 5 | Tyler Plude | 0.00 s | 2014-09-18 19:12:08 | 537844 |
| 6 | Brandon Donham | 0.00 s | 2014-09-25 15:06:53 | 550254 |
| 7 | Ali N Salman | 0.00 s | 2014-09-25 16:02:35 | 550332 |
| 8 | Ola Lundqvist | 0.00 s | 2014-09-29 13:52:42 | 562632 |
| 9 | Wael Al Saeed | 0.00 s | 2014-10-02 14:12:35 | 569172 |
| 10 | Anton Älgmyr | 0.00 s | 2014-10-02 16:47:39 | 569590 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Bas te Kolste | 0.01 s | 2013-10-05 11:00:12 | 410798 |
| 2 | Reiben | 0.01 s | 2013-10-14 22:15:51 | 425001 |
| 3 | James Kelly | 0.01 s | 2013-10-17 21:39:20 | 430786 |
| 4 | Oscar Lindvall | 0.01 s | 2014-03-19 07:26:12 | 496235 |
| 5 | Ilia Denotkine | 0.01 s | 2014-04-22 21:17:47 | 506027 |
| 6 | Roderick Gregory | 0.01 s | 2014-10-01 01:31:28 | 565583 |
| 7 | r0x3r | 0.01 s | 2014-10-01 21:07:36 | 568001 |
| 8 | Sampath Vuyyuru | 0.01 s | 2014-10-02 23:50:14 | 570263 |
| 9 | Emil Lund Kongsgaard | 0.01 s | 2014-10-03 15:01:19 | 571251 |
| 10 | Jimmy Mårdell | 0.01 s | 2014-10-03 20:20:12 | 571609 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Anders Roy Christiansen | 0.00 s | 2013-10-05 09:44:58 | 410641 |
| 2 | Mikko Sysikaski | 0.00 s | 2013-10-05 09:45:01 | 410642 |
| 3 | cyberFAUbia | 0.00 s | 2013-10-05 09:49:40 | 410651 |
| 4 | Evgeny Savinov | 0.00 s | 2013-10-05 09:50:58 | 410653 |
| 5 | Ashwin Krish | 0.00 s | 2013-10-05 09:51:17 | 410654 |
| 6 | Dilson Guimarães | 0.00 s | 2013-10-05 09:55:45 | 410660 |
| 7 | Jakub Šafin | 0.00 s | 2013-10-05 09:56:22 | 410662 |
| 8 | Pulkit Goel | 0.00 s | 2013-10-05 10:03:31 | 410673 |
| 9 | Jan-Willem Buurlage | 0.00 s | 2013-10-05 10:07:35 | 410683 |
| 10 | Krishnan Nakul | 0.00 s | 2013-10-05 10:10:17 | 410689 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Hjalte Sorgenfrei Mac Dalland | 0.04 s | 2020-03-06 14:12:54 | 5432094 |
| 2 | Mads Jespersen | 0.04 s | 2020-03-06 15:17:10 | 5432460 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Krzysztof Gibuła | 0.07 s | 2019-03-14 19:36:32 | 3926467 |
| 2 | Oskar Johanson | 0.07 s | 2019-10-12 07:57:38 | 4754752 |
| 3 | Olof Gren | 0.08 s | 2019-11-19 17:37:01 | 5015193 |
| 4 | Norbert Voelker | 0.08 s | 2021-04-19 22:06:40 | 7171109 |
| 5 | Jack Kryger Sørensen | 0.08 s | 2022-01-21 10:09:25 | 8297811 |
| 6 | Tobias Pulls | 0.09 s | 2014-09-29 21:32:04 | 563491 |
| 7 | Kellen Watt | 0.09 s | 2015-09-30 01:36:18 | 827756 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | David Spies | 0.00 s | 2014-12-10 18:32:15 | 666428 |
| 2 | Hidden user | 0.00 s | 2014-12-10 22:20:50 | 666771 |
| 3 | Hidden user | 0.00 s | 2014-12-21 07:53:05 | 678337 |
| 4 | Markus Läll | 0.00 s | 2015-02-16 21:09:44 | 691694 |
| 5 | Lars Tveito | 0.00 s | 2015-07-02 06:52:58 | 735087 |
| 6 | Blake Hyde | 0.00 s | 2015-11-15 03:44:14 | 961127 |
| 7 | Christian Leipe | 0.00 s | 2015-11-30 21:18:18 | 980843 |
| 8 | Peter Deal | 0.00 s | 2016-05-10 19:08:51 | 1154474 |
| 9 | Jan Hlavacek | 0.00 s | 2016-12-14 02:48:43 | 1581885 |
| 10 | Matthew Johnson | 0.00 s | 2017-01-03 07:41:25 | 1599958 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Santiago Gutierrez Alzate | 0.05 s | 2013-10-07 21:05:06 | 413431 |
| 2 | Igor Koval | 0.05 s | 2013-10-15 19:02:57 | 426784 |
| 3 | Martin Vonheim Larsen | 0.05 s | 2014-06-13 09:33:54 | 512412 |
| 4 | Hidden user | 0.05 s | 2014-06-28 06:56:56 | 515381 |
| 5 | Hidden user | 0.05 s | 2014-07-20 03:38:17 | 518175 |
| 6 | Johan Nilsson | 0.05 s | 2014-09-28 14:21:18 | 560888 |
| 7 | Varun Sriram | 0.05 s | 2014-09-28 18:28:07 | 561333 |
| 8 | Georgy Ivanov | 0.05 s | 2014-10-01 09:53:53 | 565943 |
| 9 | Yordan Yordanov | 0.05 s | 2014-10-02 13:55:58 | 569102 |
| 10 | Viktor Lindberg | 0.05 s | 2014-10-02 21:55:08 | 570146 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Sander Hellesø | 0.05 s | 2019-04-13 07:03:37 | 4073655 |
| 2 | Gurpartap Singh Bhatti | 0.05 s | 2019-06-08 15:18:15 | 4242065 |
| 3 | Roland VH | 0.40 s | 2019-09-25 16:53:06 | 4590977 |
| 4 | Chris Wong | 0.41 s | 2021-02-23 11:12:14 | 6901907 |
| 5 | Alexander Oliver | 0.42 s | 2020-03-06 14:25:54 | 5432140 |
| 6 | DGC | 0.42 s | 2021-03-04 20:17:25 | 6964585 |
| 7 | Khin Nyunt | 0.42 s | 2021-10-02 15:39:20 | 7746847 |
| 8 | Spencer Davis | 0.42 s | 2021-10-09 05:06:57 | 7788346 |
| 9 | Niamh Limerick | 0.42 s | 2022-02-20 11:14:54 | 8487768 |
| 10 | Andoko Chandra | 0.43 s | 2020-10-10 09:56:21 | 6250447 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Anton Klarén | 0.01 s | 2014-09-04 07:06:10 | 522998 |
| 2 | Erik Nygren | 0.01 s | 2014-12-01 18:38:46 | 641635 |
| 3 | Peter Kedemo | 0.01 s | 2015-12-19 17:43:20 | 998305 |
| 4 | Bjørn Chr. Soltvedt | 0.01 s | 2016-01-23 17:08:13 | 1023484 |
| 5 | Mark Bouchkevitch | 0.01 s | 2016-08-07 12:23:50 | 1217167 |
| 6 | J M | 0.01 s | 2016-11-12 15:41:19 | 1509130 |
| 7 | Ionel Hindorean | 0.01 s | 2016-12-02 18:09:25 | 1562200 |
| 8 | Paul Leung | 0.01 s | 2017-02-16 16:09:14 | 1674250 |
| 9 | Spencer Smith | 0.01 s | 2017-06-09 04:26:02 | 1891410 |
| 10 | Omar Al-Khashab | 0.01 s | 2018-04-25 07:09:11 | 2813866 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Dayan Ruben Gonzalez | 0.16 s | 2020-09-28 14:01:17 | 6168290 |
| 2 | Dmitry Shostak | 0.18 s | 2018-08-20 15:11:35 | 2996152 |
| 3 | Jahid Hasan Imon | 0.18 s | 2020-05-12 00:09:05 | 5684586 |
| 4 | Thore Husfeldt | 0.19 s | 2020-11-03 18:12:27 | 6385954 |
| 5 | Hidden user | 0.20 s | 2019-11-17 05:12:25 | 5002155 |
| 6 | Neil Harmon | 0.21 s | 2019-04-29 14:12:56 | 4129668 |
| 7 | Troy Warmboe | 0.21 s | 2020-02-05 23:41:49 | 5283317 |
| 8 | Phường Lên | 0.21 s | 2020-04-14 18:15:19 | 5581006 |
| 9 | Einar Kjellback | 0.23 s | 2019-12-12 11:58:48 | 5120782 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Ingemar Ragnemalm | 0.00 s | 2017-08-08 21:31:14 | 1952739 |
| 2 | David Connolly | 0.00 s | 2022-04-12 14:03:02 | 8795507 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Silvena Lam | 0.01 s | 2016-02-11 16:42:21 | 1042388 |
| 2 | Leon Kalema | 0.01 s | 2018-05-18 18:52:01 | 2873090 |
| 3 | Renate | 0.01 s | 2021-11-17 00:16:50 | 8025372 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Andrey Zyevakov | 0.01 s | 2016-01-24 08:52:49 | 1023809 |
| 2 | Hadi Qovaizi | 0.02 s | 2016-04-22 01:21:31 | 1136213 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Jacob Wejendorp | 0.02 s | 2013-10-06 21:56:09 | 412538 |
| 2 | Ehsan Kia | 0.02 s | 2013-10-13 19:43:41 | 422402 |
| 3 | Elias Riedel Gårding | 0.02 s | 2014-03-19 08:34:21 | 496245 |
| 4 | Torfinn Tyvold Skarvatun | 0.02 s | 2014-09-29 18:41:46 | 563236 |
| 5 | Samantha Wojtowicz | 0.02 s | 2014-09-30 22:08:42 | 565459 |
| 6 | Linus Ländin | 0.02 s | 2014-10-01 09:58:00 | 565951 |
| 7 | Todd Perry | 0.02 s | 2014-10-01 13:45:13 | 566582 |
| 8 | Alex Bright | 0.02 s | 2014-10-05 17:27:55 | 578773 |
| 9 | Håkon Vågsether | 0.02 s | 2014-10-14 16:36:42 | 597750 |
| 10 | Martin Stensgård | 0.02 s | 2014-11-25 18:36:53 | 634906 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Changyu Bi | 0.02 s | 2014-09-13 01:50:51 | 531855 |
| 2 | Brian Harrington | 0.02 s | 2014-09-13 17:07:51 | 532243 |
| 3 | Kalindu De Costa | 0.02 s | 2014-09-18 01:53:40 | 536487 |
| 4 | Jerry Cheng | 0.02 s | 2014-09-26 20:43:46 | 552190 |
| 5 | Arvin Johansson Arbab | 0.02 s | 2014-09-29 19:34:10 | 563281 |
| 6 | Hidden user | 0.02 s | 2014-09-30 08:11:57 | 563686 |
| 7 | Fredrik Østrem | 0.02 s | 2014-09-30 15:18:14 | 564751 |
| 8 | Hlynur “Glitch” Óskar Guðmundsson | 0.02 s | 2014-09-30 19:28:58 | 565251 |
| 9 | Erik Månsson | 0.02 s | 2014-10-01 11:51:22 | 566198 |
| 10 | Norman Duncan | 0.02 s | 2014-10-17 09:42:42 | 601896 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Gerry Hall | 0.03 s | 2016-03-27 03:16:15 | 1102340 |
| 2 | Lasse Berglund | 0.03 s | 2016-04-01 05:15:15 | 1108558 |
| 3 | Kellen Watt | 0.03 s | 2016-07-06 02:22:06 | 1198443 |
| 4 | Erik Rydbert | 0.03 s | 2016-07-07 10:26:00 | 1199073 |
| 5 | Hidden user | 0.03 s | 2016-08-14 06:20:52 | 1223289 |
| 6 | Reinalyn Conde | 0.03 s | 2017-06-08 07:02:52 | 1890379 |
| 7 | Mongkonchai Priyachiwa | 0.04 s | 2018-10-10 19:07:17 | 3253499 |
| 8 | Savvas Alexandrou | 0.04 s | 2018-12-15 18:38:48 | 3577845 |
| 9 | Dalton Parker Caron | 0.04 s | 2019-01-04 01:15:17 | 3627693 |
| 10 | Jason Lau | 0.04 s | 2019-03-04 11:46:24 | 3887320 |
| # | Name | Runtime | Date | ID |
|---|---|---|---|---|
| 1 | Isak Jägberg | 0.00 s | 2019-05-07 17:01:00 | 4158141 |
| 2 | Ludvig Böklin | 0.00 s | 2019-09-27 17:19:38 | [email protected] site |
| 3 | Serguei Antonovich Kirillov | 0.00 s | 2019-10-13 20:20:06 | 4763646 |
| 4 | Adrien Coulier | 0.00 s | 2019-12-21 14:47:53 | 5143109 |
| 5 | Hovig Manjikian | 0.00 s | 2020-01-10 18:52:28 | 5182726 |
| 6 | Alexander Nortung | 0.00 s | 2020-02-15 11:31:46 | 5330228 |
| 7 | Simon Green Kristensen | 0.00 s | 2020-03-06 14:29:12 | 5432150 |
| 8 | Eric Pinter | 0.00 s | 2021-07-14 13:52:27 | 7449880 |
| 9 | Kok Dith | 0.00 s | 2021-08-13 07:54:41 | 7514161 |
| 10 | Alexander Holmberg | 0.00 s | 2021-09-17 18:27:40 | 7657396 |