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Root
11876 - N + NOD (N)
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| Total Submissions | Users that tried it | Users that solved it |
| 7403 | 1976 | 1794 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 17175419 | sgtlaugh | 0.000 | ANSI C | 2016-04-09 21:55:12 | |
| 2 | 17304314 | feodorv | 0.010 | ANSI C | 2016-05-03 14:55:21 | |
| 3 | 17905358 | Miguel Alessandro Mini | 0.010 | C++ | 2016-08-27 09:32:42 | |
| 4 | 9172720 | Ang Zhi Ping | 0.020 | ANSI C | 2011-08-20 06:22:00 | |
| 5 | 30812035 | 李彦宏 | 0.020 | C++11 | 2025-11-17 18:50:48 | |
| 6 | 30874131 | 马孟起 | 0.020 | C++ | 2025-12-09 15:08:32 | |
| 7 | 9129552 | H D T | 0.024 | ANSI C | 2011-08-09 07:44:18 | |
| 8 | 17837750 | Akash Chandrakar | 0.030 | C++ | 2016-08-14 12:30:15 | |
| 9 | 18564614 | Kevin Daniel | 0.030 | C++11 | 2016-12-31 00:27:14 | |
| 10 | 18878802 | john doe | 0.030 | C++11 | 2017-03-02 01:04:26 | |
| 11 | 19225240 | Arash Shakery ♥ | 0.030 | C++ | 2017-04-23 07:05:52 | |
| 12 | 19528629 | Aditya Ambikesh | 0.030 | C++11 | 2017-06-15 19:43:47 | |
| 13 | 19587771 | Mederbek Osmonov | 0.030 | C++ | 2017-06-30 04:35:21 | |
| 14 | 19648348 | Shahriar Newaz | 0.030 | ANSI C | 2017-07-12 11:40:41 | |
| 15 | 19875473 | Imam Mohammad Bokhary | 0.030 | C++11 | 2017-08-18 04:25:22 | |
| 16 | 20790915 | David Yu | 0.030 | C++11 | 2018-02-18 05:30:01 | |
| 17 | 21151322 | bright | 0.030 | C++11 | 2018-04-17 03:32:16 | |
| 18 | 21872749 | Arnob Biswas | 0.030 | C++11 | 2018-08-28 12:38:45 | |
| 19 | 21933184 | mohamed qotb | 0.030 | C++11 | 2018-09-09 18:13:26 | |
| 20 | 21995365 | 关云长 | 0.030 | C++11 | 2018-09-20 20:54:27 | |