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Root
640 - Self Numbers
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| Total Submissions | Users that tried it | Users that solved it |
| 15861 | 6045 | 5430 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 1063828 | Ivor | 0.000 | ANSI C | 2002-09-03 16:37:42 | |
| 2 | 17311737 | MD. NAKIBUL HASSAN | 0.000 | C++ | 2016-05-04 17:06:53 | |
| 3 | 17747282 | NCV91 | 0.000 | C++11 | 2016-07-28 12:17:17 | |
| 4 | 17747316 | viendetien | 0.000 | C++11 | 2016-07-28 12:22:43 | |
| 5 | 17926970 | Prodip datta | 0.000 | ANSI C | 2016-08-31 07:47:59 | |
| 6 | 18032725 | Masum Rana | 0.000 | C++11 | 2016-09-20 20:17:37 | |
| 7 | 21111563 | david | 0.000 | ANSI C | 2018-04-10 06:15:44 | |
| 8 | 21489635 | luogu_bot5 | 0.000 | C++ | 2018-06-19 15:04:43 | |
| 9 | 21780916 | Sajjad Hossain Nazmul | 0.000 | C++11 | 2018-08-10 19:55:35 | |
| 10 | 21958007 | 呂振華 | 0.000 | C++ | 2018-09-14 09:15:18 | |
| 11 | 22482407 | amy | 0.000 | C++11 | 2018-12-22 11:54:28 | |
| 12 | 22645615 | luogu_bot1 | 0.000 | C++ | 2019-01-21 07:24:12 | |
| 13 | 22645626 | 张翼德 | 0.000 | C++ | 2019-01-21 07:26:37 | |
| 14 | 22826947 | Mohammed | 0.000 | C++ | 2019-02-21 12:01:45 | |
| 15 | 24447824 | tusarimran78 | 0.000 | ANSI C | 2020-01-20 17:52:51 | |
| 16 | 25570176 | 关云长 | 0.000 | C++11 | 2020-10-03 07:37:12 | |
| 17 | 25690886 | 周鸿祎 | 0.000 | C++11 | 2020-11-04 12:40:47 | |
| 18 | 25707367 | 马化腾 | 0.000 | C++11 | 2020-11-09 05:18:40 | |
| 19 | 25756997 | 贾跃亭 | 0.000 | C++11 | 2020-11-24 09:47:32 | |
| 20 | 26082751 | Vladimir Folunin | 0.000 | C++11 | 2021-02-10 14:40:44 | |