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11709 - Trust groups
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| Total Submissions | Users that tried it | Users that solved it |
| 6827 | 2049 | 1859 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 7492636 | David Garcia Soriano | 0.008 | C++ | 2009-10-18 18:39:25 | |
| 2 | 30658420 | 张翼德 | 0.040 | C++11 | 2025-09-14 22:00:47 | |
| 3 | 17586924 | Halliday | 0.050 | ANSI C | 2016-06-28 09:45:44 | |
| 4 | 30656730 | 马化腾 | 0.050 | C++11 | 2025-09-14 01:17:11 | |
| 5 | 30658932 | 黄汉升 | 0.050 | C++11 | 2025-09-15 02:51:40 | |
| 6 | 30660878 | 周鸿祎 | 0.050 | C++ | 2025-09-15 23:44:10 | |
| 7 | 17349935 | Leachy | 0.060 | C++11 | 2016-05-12 05:25:48 | |
| 8 | 17691789 | Shikhar Gupta | 0.060 | C++11 | 2016-07-18 15:07:05 | |
| 9 | 18612857 | Mateo Agudelo Toro | 0.060 | C++11 | 2017-01-12 20:06:51 | |
| 10 | 23817864 | Alfredo Beaumont | 0.060 | C++11 | 2019-08-24 23:47:30 | |
| 11 | 25175984 | Zarif Ikram | 0.060 | C++11 | 2020-06-24 20:57:16 | |
| 12 | 25186706 | Tran Khanh Hiep | 0.060 | C++11 | 2020-06-27 20:28:44 | |
| 13 | 25678888 | Moustafa Mohamed | 0.060 | C++11 | 2020-10-31 21:39:03 | |
| 14 | 27472433 | Lucas Gabriel de Godoi Arriel | 0.060 | C++11 | 2022-05-06 23:50:14 | |
| 15 | 27827883 | cold coffee | 0.060 | C++11 | 2022-09-19 20:47:11 | |
| 16 | 30654447 | 关云长 | 0.060 | C++ | 2025-09-12 19:37:13 | |
| 17 | 30660625 | 马孟起 | 0.060 | C++11 | 2025-09-15 18:56:26 | |
| 18 | 16299345 | Carlos Segura González | 0.062 | C++ | 2015-10-20 16:02:02 | |
| 19 | 17806631 | Damien Galant | 0.070 | C++ | 2016-08-08 14:37:49 | |
| 20 | 20006374 | Bradley Jones | 0.070 | C++11 | 2017-09-15 03:15:27 | |