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Root
12199 - Lights
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| Total Submissions | Users that tried it | Users that solved it |
| 81 | 36 | 29 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 17681830 | sgtlaugh | 0.000 | ANSI C | 2016-07-16 19:01:11 | |
| 2 | 23969591 | 周鸿祎 | 0.000 | C++ | 2019-09-27 12:15:53 | |
| 3 | 23970464 | 贾跃亭 | 0.000 | C++11 | 2019-09-27 15:38:56 | |
| 4 | 23970534 | 黄汉升 | 0.000 | C++ | 2019-09-27 15:53:44 | |
| 5 | 18107474 | psyboy | 0.010 | C++11 | 2016-10-02 18:50:15 | |
| 6 | 12915491 | try | 0.016 | C++ | 2014-01-01 11:59:13 | |
| 7 | 17593137 | Fuxey | 0.020 | C++ | 2016-06-29 08:43:16 | |
| 8 | 18693515 | yleewei | 0.040 | C++11 | 2017-01-28 21:54:55 | |
| 9 | 13432648 | 马孟起 | 0.046 | C++ | 2014-04-02 10:29:28 | |
| 10 | 16339904 | M4G!C!4N | 0.049 | C++ | 2015-10-27 15:43:19 | |
| 11 | 26773452 | seed_zero | 0.070 | C++11 | 2021-09-14 13:34:11 | |
| 12 | 13202632 | 赵子龙 | 0.118 | C++ | 2014-02-24 07:22:09 | |
| 13 | 10097885 | evandrix | 0.168 | C++ | 2012-05-10 19:10:30 | |
| 14 | 11381890 | Brian Fry | 0.176 | C++ | 2013-03-04 21:21:01 | |
| 15 | 13716602 | Maruf Al Turki | 0.195 | C++ | 2014-06-05 00:16:49 | |
| 16 | 9214289 | David Garcia Soriano | 0.312 | C++ | 2011-09-02 09:44:31 | |
| 17 | 9477339 | sm0weu | 0.316 | C++ | 2011-11-16 15:23:55 | |
| 18 | 10046499 | Josh Bao | 0.336 | C++ | 2012-04-28 02:29:28 | |
| 19 | 9555302 | Krzysztof Stencel | 0.392 | C++ | 2011-12-12 23:18:31 | |
| 20 | 21479082 | Rezwan Mahmud Tonmoy | 0.400 | C++11 | 2018-06-16 06:16:31 | |