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Root
12866 - Combination
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| Total Submissions | Users that tried it | Users that solved it |
| 376 | 85 | 69 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 17175001 | sgtlaugh | 0.000 | ANSI C | 2016-04-09 20:37:54 | |
| 2 | 31217651 | Felix Halim | 0.010 | C++11 | 2026-07-18 21:54:48 | |
| 3 | 31231885 | 周鸿祎 | 0.010 | C++11 | 2026-07-29 12:45:01 | |
| 4 | 15959387 | 马化腾 | 0.019 | C++ | 2015-08-19 07:25:19 | |
| 5 | 22209510 | luogu_bot1 | 0.020 | C++ | 2018-10-28 23:58:36 | |
| 6 | 22342969 | Md. Ashraf-ul Asad | 0.020 | C++11 | 2018-11-23 15:55:20 | |
| 7 | 22843073 | 马浩然 | 0.020 | C++11 | 2019-02-24 12:44:49 | |
| 8 | 25364561 | Rumman Mahmud | 0.020 | C++11 | 2020-08-12 22:36:14 | |
| 9 | 26359710 | robbieee | 0.020 | C++ | 2021-05-02 03:16:55 | |
| 10 | 26592147 | zeed_zero2 | 0.020 | C++ | 2021-07-20 07:54:14 | |
| 11 | 31084551 | 李彦宏 | 0.020 | C++11 | 2026-04-19 09:37:52 | |
| 12 | 31169816 | Demo_Test | 0.020 | C++11 | 2026-06-07 08:57:20 | |
| 13 | 15959341 | 黄汉升 | 0.026 | C++ | 2015-08-19 07:15:04 | |
| 14 | 15959538 | 关云长 | 0.026 | C++ | 2015-08-19 07:53:04 | |
| 15 | 15960830 | 贾跃亭 | 0.029 | C++ | 2015-08-19 12:51:27 | |
| 16 | 15961111 | 张翼德 | 0.029 | C++ | 2015-08-19 13:38:58 | |
| 17 | 18657108 | evandrix | 0.030 | C++11 | 2017-01-21 08:14:08 | |
| 18 | 18695269 | yleewei | 0.030 | C++11 | 2017-01-29 07:30:22 | |
| 19 | 24225730 | 兔瓦斯 | 0.030 | C++11 | 2019-11-21 07:36:48 | |
| 20 | 25364563 | 赵子龙 | 0.030 | C++11 | 2020-08-12 22:36:49 | |