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Root
11214 - Guarding the Chessboard
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| Total Submissions | Users that tried it | Users that solved it |
| 3633 | 419 | 365 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 27473419 | 杨一帆 | 0.010 | C++11 | 2022-05-07 10:59:46 | |
| 2 | 28959891 | 关云长 | 0.010 | C++11 | 2023-11-15 13:41:58 | |
| 3 | 31220040 | Felix Halim | 0.010 | C++11 | 2026-07-20 20:40:44 | |
| 4 | 28415216 | 刘强东 | 0.020 | C++11 | 2023-04-24 09:31:55 | |
| 5 | 28866225 | 贾跃亭 | 0.020 | C++11 | 2023-10-17 07:32:41 | |
| 6 | 28866246 | 马化腾 | 0.020 | C++11 | 2023-10-17 07:36:18 | |
| 7 | 28959665 | 赵子龙 | 0.020 | C++11 | 2023-11-15 12:57:27 | |
| 8 | 31259390 | crowdforces | 0.020 | C++ | 2026-08-19 05:32:32 | |
| 9 | 5938482 | Josh Bao | 0.030 | C++ | 2007-09-25 17:48:09 | |
| 10 | 28415219 | Heart_Blue | 0.030 | C++11 | 2023-04-24 09:32:21 | |
| 11 | 28582662 | 李彦宏 | 0.030 | C++11 | 2023-07-02 14:15:08 | |
| 12 | 30470110 | xujun | 0.030 | C++11 | 2025-06-14 12:14:24 | |
| 13 | 22231431 | 周鸿祎 | 0.040 | C++ | 2018-11-01 15:58:26 | |
| 14 | 23901625 | waiwai | 0.040 | C++ | 2019-09-12 17:17:54 | |
| 15 | 28617332 | Arman Ferdous | 0.040 | C++11 | 2023-07-15 22:42:46 | |
| 16 | 28959876 | 黄汉升 | 0.040 | C++11 | 2023-11-15 13:39:06 | |
| 17 | 22231437 | 张翼德 | 0.050 | C++ | 2018-11-01 15:59:10 | |
| 18 | 7277399 | ojdaemon | 0.052 | C++ | 2009-07-28 04:25:02 | |
| 19 | 16625633 | huge gun | 0.053 | C++ | 2015-12-24 13:20:25 | |
| 20 | 12361671 | paunchy | 0.069 | C++ | 2013-09-18 06:38:35 | |