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Root
12688 - Spanning trees in a secure lock pattern
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| Total Submissions | Users that tried it | Users that solved it |
| 287 | 96 | 80 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 15594170 | sgtlaugh | 0.000 | ANSI C | 2015-06-07 17:24:53 | |
| 2 | 16331107 | Budweiser | 0.000 | C++ | 2015-10-26 06:25:53 | |
| 3 | 16457196 | M4G!C!4N | 0.000 | ANSI C | 2015-11-19 02:14:40 | |
| 4 | 17674086 | Jesús Saucedo | 0.000 | C++ | 2016-07-15 07:33:15 | |
| 5 | 18010187 | Morass | 0.000 | C++11 | 2016-09-16 12:09:12 | |
| 6 | 18661837 | evandrix | 0.000 | C++11 | 2017-01-22 07:56:32 | |
| 7 | 18695112 | yleewei | 0.000 | C++11 | 2017-01-29 07:21:22 | |
| 8 | 22823193 | Md. Nahid Ullah Joy | 0.000 | C++ | 2019-02-20 16:38:41 | |
| 9 | 24076106 | Calebe Oliveira | 0.000 | C++11 | 2019-10-20 11:54:36 | |
| 10 | 24224905 | 兔瓦斯 | 0.000 | C++11 | 2019-11-21 04:23:01 | |
| 11 | 26129601 | 马化腾 | 0.000 | C++ | 2021-02-24 17:08:21 | |
| 12 | 26536260 | Vladimir Folunin | 0.000 | C++11 | 2021-07-02 20:10:19 | |
| 13 | 26598387 | seed_zero | 0.000 | C++ | 2021-07-21 22:33:12 | |
| 14 | 26598389 | zeed_zero2 | 0.000 | C++ | 2021-07-21 22:33:55 | |
| 15 | 12732518 | Sadia Nahreen | 0.009 | C++ | 2013-11-26 07:05:08 | |
| 16 | 12732634 | Momontho Mashak Monmoy | 0.009 | C++ | 2013-11-26 07:40:34 | |
| 17 | 12735767 | Ibrahim Nash | 0.009 | C++ | 2013-11-26 17:54:29 | |
| 18 | 12785882 | Syed Shahriar Manjur(SUST) | 0.009 | ANSI C | 2013-12-04 13:37:30 | |
| 19 | 12914676 | shoaib muhammad | 0.009 | ANSI C | 2014-01-01 06:00:02 | |
| 20 | 13006366 | Cheung shirley | 0.009 | C++ | 2014-01-22 11:53:54 | |