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Root
12901 - Refraction
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| Total Submissions | Users that tried it | Users that solved it |
| 519 | 95 | 87 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 17720419 | Morass | 0.030 | C++11 | 2016-07-23 15:57:21 | |
| 2 | 18695308 | yleewei | 0.090 | C++11 | 2017-01-29 07:32:30 | |
| 3 | 21135657 | suzuki | 0.090 | C++11 | 2018-04-14 04:42:26 | |
| 4 | 23785496 | Arnab Ahamed Siam | 0.090 | C++11 | 2019-08-18 14:02:28 | |
| 5 | 25070296 | 马化腾 | 0.090 | C++11 | 2020-05-26 13:54:22 | |
| 6 | 25070450 | 关云长 | 0.090 | C++11 | 2020-05-26 14:41:50 | |
| 7 | 26443490 | 黄汉升 | 0.090 | C++11 | 2021-05-29 12:06:24 | |
| 8 | 16025282 | M4G!C!4N | 0.092 | C++ | 2015-08-31 19:52:06 | |
| 9 | 17710452 | Redwan Ahmed Rizvee | 0.100 | C++11 | 2016-07-21 21:45:49 | |
| 10 | 18739149 | feodorv | 0.100 | ANSI C | 2017-02-07 09:12:05 | |
| 11 | 20008107 | 张翼德 | 0.100 | C++11 | 2017-09-15 10:37:33 | |
| 12 | 20008251 | 李彦宏 | 0.100 | C++11 | 2017-09-15 11:25:32 | |
| 13 | 20871995 | 马孟起 | 0.100 | C++ | 2018-03-05 06:18:01 | |
| 14 | 18729317 | Alexander Wirth | 0.110 | C++11 | 2017-02-05 12:41:33 | |
| 15 | 15956304 | co | 0.122 | C++ | 2015-08-18 15:31:39 | |
| 16 | 16384755 | shafi | 0.122 | ANSI C | 2015-11-04 11:53:34 | |
| 17 | 17721493 | Sabit Ice | 0.130 | ANSI C | 2016-07-23 21:59:44 | |
| 18 | 15996435 | Abinash Kanti Ghosh | 0.132 | C++ | 2015-08-26 17:13:07 | |
| 19 | 15779688 | abyssalfish | 0.133 | C++ | 2015-07-17 04:57:26 | |
| 20 | 15881563 | beckychow | 0.137 | C++ | 2015-08-05 07:37:41 | |