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Root
1500 - Alice and Bob
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| Total Submissions | Users that tried it | Users that solved it |
| 504 | 190 | 157 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 17695699 | 赵子龙 | 0.000 | C++ | 2016-07-19 08:35:29 | |
| 2 | 17705530 | 贾跃亭 | 0.000 | C++ | 2016-07-21 02:54:07 | |
| 3 | 17705678 | 刘强东 | 0.000 | C++ | 2016-07-21 03:20:41 | |
| 4 | 17712839 | 李彦宏 | 0.000 | C++ | 2016-07-22 08:29:25 | |
| 5 | 17724457 | 马孟起 | 0.000 | C++ | 2016-07-24 13:20:52 | |
| 6 | 19891225 | 木妣 | 0.000 | C++11 | 2017-08-21 06:55:30 | |
| 7 | 20601016 | 马化腾 | 0.000 | C++ | 2018-01-13 09:47:55 | |
| 8 | 20717814 | 张翼德 | 0.000 | C++ | 2018-02-03 13:32:08 | |
| 9 | 22161106 | 黄汉升 | 0.000 | C++ | 2018-10-20 14:49:30 | |
| 10 | 22199271 | luogu_bot3 | 0.000 | C++ | 2018-10-27 07:21:58 | |
| 11 | 22471434 | luogu_bot1 | 0.000 | C++ | 2018-12-20 11:09:28 | |
| 12 | 23366934 | 徐嘉浩 | 0.000 | C++ | 2019-05-20 11:57:37 | |
| 13 | 23370440 | lixuyuan | 0.000 | C++11 | 2019-05-21 07:20:15 | |
| 14 | 23376769 | heyuankun | 0.000 | C++ | 2019-05-22 08:02:06 | |
| 15 | 23461008 | 周鸿祎 | 0.000 | C++11 | 2019-06-11 09:04:39 | |
| 16 | 23857294 | LouHancheng | 0.000 | C++11 | 2019-09-02 12:56:41 | |
| 17 | 24517595 | suzuki | 0.000 | C++11 | 2020-02-06 02:02:28 | |
| 18 | 24568823 | ZhipengSong | 0.000 | C++11 | 2020-02-16 03:20:16 | |
| 19 | 24776200 | 刘洋 | 0.000 | C++ | 2020-03-28 09:03:49 | |
| 20 | 24850343 | 宋子青 | 0.000 | C++ | 2020-04-10 03:21:37 | |