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Root
12855 - Black and white stones
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| Total Submissions | Users that tried it | Users that solved it |
| 886 | 235 | 186 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 16020461 | sgtlaugh | 0.000 | ANSI C | 2015-08-30 20:24:18 | |
| 2 | 16200317 | John Bryan | 0.000 | C++ | 2015-10-02 22:01:04 | |
| 3 | 16383568 | Francisco Valente | 0.000 | C++ | 2015-11-04 06:26:44 | |
| 4 | 16415480 | david | 0.000 | C++11 | 2015-11-09 22:23:59 | |
| 5 | 16714902 | Hugo Humberto Morales Peña | 0.000 | ANSI C | 2016-01-16 17:21:58 | |
| 6 | 16714910 | M4G!C!4N | 0.000 | C++ | 2016-01-16 17:24:15 | |
| 7 | 16858544 | 马孟起 | 0.000 | C++ | 2016-02-17 00:51:33 | |
| 8 | 17836945 | feodorv | 0.000 | ANSI C | 2016-08-14 08:19:07 | |
| 9 | 17856606 | Morass | 0.000 | C++11 | 2016-08-18 00:48:55 | |
| 10 | 18159075 | Luis Ferroni | 0.000 | C++ | 2016-10-10 22:39:43 | |
| 11 | 18164744 | Iván | 0.000 | C++ | 2016-10-11 16:35:16 | |
| 12 | 18259381 | Sheikh Moinul Hasan | 0.000 | C++11 | 2016-10-26 10:17:03 | |
| 13 | 18296357 | Rafael Garcia | 0.000 | C++11 | 2016-11-01 21:25:30 | |
| 14 | 18320644 | FastFingers lml | 0.000 | C++ | 2016-11-07 00:49:45 | |
| 15 | 18330467 | Juan Camilo | 0.000 | C++ | 2016-11-08 23:24:29 | |
| 16 | 18629727 | Ivan Carvalho | 0.000 | C++11 | 2017-01-16 09:49:55 | |
| 17 | 18657078 | evandrix | 0.000 | C++11 | 2017-01-21 08:13:26 | |
| 18 | 18695257 | yleewei | 0.000 | C++11 | 2017-01-29 07:29:39 | |
| 19 | 19623318 | Bernardo Subercaseaux | 0.000 | C++11 | 2017-07-07 17:51:14 | |
| 20 | 20298341 | LeonardoBlanger | 0.000 | C++ | 2017-11-04 16:01:26 | |