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Root
12815 - Taking the Stairs
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| Total Submissions | Users that tried it | Users that solved it |
| 142 | 57 | 50 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 16020530 | sgtlaugh | 0.000 | ANSI C | 2015-08-30 20:36:15 | |
| 2 | 18656976 | evandrix | 0.000 | C++11 | 2017-01-21 08:10:58 | |
| 3 | 18695219 | yleewei | 0.000 | C++11 | 2017-01-29 07:27:33 | |
| 4 | 20280081 | u_aizu | 0.000 | C++11 | 2017-11-01 11:22:39 | |
| 5 | 22384891 | Md. Ashraf-ul Asad | 0.000 | C++11 | 2018-12-02 08:11:47 | |
| 6 | 23149285 | 关云长 | 0.000 | C++11 | 2019-04-11 12:14:31 | |
| 7 | 24225660 | 兔瓦斯 | 0.000 | C++11 | 2019-11-21 07:28:14 | |
| 8 | 26594041 | zeed_zero2 | 0.000 | C++ | 2021-07-20 19:10:27 | |
| 9 | 30628048 | 赵子龙 | 0.000 | C++11 | 2025-08-30 08:56:44 | |
| 10 | 30628067 | crowdforces | 0.000 | C++ | 2025-08-30 09:04:37 | |
| 11 | 20325961 | 王裕諺 | 0.010 | ANSI C | 2017-11-10 06:26:18 | |
| 12 | 23746565 | Juraj Zemianek | 0.010 | C++11 | 2019-08-09 20:48:51 | |
| 13 | 25235798 | Boi | 0.010 | C++ | 2020-07-10 14:52:36 | |
| 14 | 25608080 | 刘强东 | 0.010 | C++11 | 2020-10-12 16:01:41 | |
| 15 | 25608119 | 马化腾 | 0.010 | C++11 | 2020-10-12 16:08:33 | |
| 16 | 25608596 | Mahmud Sajjad Abeer | 0.010 | C++11 | 2020-10-12 17:51:55 | |
| 17 | 26727455 | experimental | 0.010 | C++11 | 2021-08-29 13:13:36 | |
| 18 | 26727456 | Vladimir Folunin | 0.010 | C++11 | 2021-08-29 13:13:58 | |
| 19 | 23149478 | 贾跃亭 | 0.020 | C++11 | 2019-04-11 12:39:31 | |
| 20 | 25608345 | 张翼德 | 0.020 | C++11 | 2020-10-12 16:58:21 | |