425 - Enigmatic Encryption
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| Total Submissions | Users that tried it | Users that solved it | 
| 1511 | 358 | 267 | 
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 109217 | Josh Bao | 0.000 | PASCAL | 1999-09-24 22:09:00 | |
| 2 | 137194 | Dennis Chia | 0.000 | C++ | 1999-11-15 06:12:19 | |
| 3 | 181026 | NUS-1999 Team | 0.000 | C++ | 2000-03-11 13:02:50 | |
| 4 | 190283 | Anti-SBB Team | 0.000 | ANSI C | 2000-04-04 07:45:07 | |
| 5 | 190291 | Tsung-Hsiang Chang ( | 0.000 | ANSI C | 2000-04-04 07:47:53 | |
| 6 | 263386 | blackj Wu | 0.000 | ANSI C | 2000-08-28 09:13:32 | |
| 7 | 263403 | Ying-Chieh Liao | 0.000 | ANSI C | 2000-08-28 09:54:33 | |
| 8 | 323243 | Vladislav Trotsenko | 0.000 | PASCAL | 2000-11-08 05:12:27 | |
| 9 | 323252 | SUrSU#1 ,Retired (Chelyabinsk) | 0.000 | PASCAL | 2000-11-08 05:26:37 | |
| 10 | 1021775 | Ivor | 0.000 | ANSI C | 2002-08-15 07:03:06 | |
| 11 | 1827550 | Sqr5 team | 0.000 | C++ | 2003-08-25 08:24:15 | |
| 12 | 2048350 | Go Eating ( Retired ) | 0.000 | C++ | 2003-11-03 12:57:38 | |
| 13 | 2380501 | Wenyuan Dai | 0.000 | C++ | 2004-03-15 13:26:15 | |
| 14 | 2741491 | Guilherme Alvarenga | 0.000 | ANSI C | 2004-08-05 23:26:40 | |
| 15 | 4115826 | Florian Hatat | 0.000 | C++ | 2005-11-10 14:39:52 | |
| 16 | 23111941 | Renato | 0.000 | C++11 | 2019-04-05 02:10:18 | |
| 17 | 1827537 | . . | 0.002 | PASCAL | 2003-08-25 08:22:30 | |
| 18 | 2380498 | Dmitri Sychev | 0.002 | C++ | 2004-03-15 13:25:25 | |
| 19 | 16487653 | 130705009 | 0.006 | C++ | 2015-11-25 05:34:03 | |
| 20 | 16712098 | M4G!C!4N | 0.006 | C++ | 2016-01-16 03:27:55 | |