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| Total Submissions | Users that tried it | Users that solved it |
| 1665 | 586 | 318 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 18710501 | jasonche | 0.000 | C++11 | 2017-02-01 16:12:23 | |
| 2 | 20373507 | Hredoy Biswas | 0.000 | C++11 | 2017-11-20 15:49:42 | |
| 3 | 20493497 | David Guzuman | 0.010 | C++ | 2017-12-15 15:22:56 | |
| 4 | 24210165 | 兔瓦斯 | 0.010 | C++11 | 2019-11-18 07:03:27 | |
| 5 | 16062739 | M4G!C!4N | 0.013 | C++ | 2015-09-08 00:52:04 | |
| 6 | 6204760 | try | 0.020 | C++ | 2008-01-30 04:36:37 | |
| 7 | 18691608 | yleewei | 0.020 | C++11 | 2017-01-28 20:10:16 | |
| 8 | 20074191 | Stranger | 0.020 | C++11 | 2017-09-27 05:05:49 | |
| 9 | 7177377 | Andrzej Edward Jackowski | 0.024 | ANSI C | 2009-06-06 15:29:22 | |
| 10 | 6084412 | sa072686 | 0.030 | ANSI C | 2007-11-29 06:59:13 | |
| 11 | 7889517 | wizist | 0.032 | ANSI C | 2010-04-11 00:31:02 | |
| 12 | 8022228 | ぱすてるinker | 0.032 | C++ | 2010-06-07 14:01:54 | |
| 13 | 13479190 | Marco | 0.032 | C++ | 2014-04-10 18:57:04 | |
| 14 | 7249323 | Krzysztof Stencel | 0.036 | C++ | 2009-07-14 16:03:03 | |
| 15 | 7889518 | JY | 0.036 | ANSI C | 2010-04-11 00:31:27 | |
| 16 | 9662875 | zzz | 0.036 | C++ | 2012-01-20 14:34:45 | |
| 17 | 13381096 | Pham Huu Canh - HUBT University | 0.038 | C++ | 2014-03-24 12:40:40 | |
| 18 | 12991250 | morris821028 | 0.039 | C++ | 2014-01-19 06:17:59 | |
| 19 | 6587946 | Luis Fernando Schultz Xavier da Silveira | 0.040 | ANSI C | 2008-08-12 22:00:55 | |
| 20 | 6594066 | Mohsin Khan | 0.040 | C++ | 2008-08-16 17:01:29 | |