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Root
1238 - Free Parentheses
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| Total Submissions | Users that tried it | Users that solved it |
| 1883 | 501 | 442 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 19201875 | Ken-Hao Liu | 0.020 | C++11 | 2017-04-19 07:51:52 | |
| 2 | 19206571 | 黄汉升 | 0.020 | C++11 | 2017-04-19 23:56:04 | |
| 3 | 19206573 | feodorv | 0.020 | ANSI C | 2017-04-19 23:57:35 | |
| 4 | 23982799 | Xvenom Terxor | 0.030 | C++11 | 2019-09-30 21:09:11 | |
| 5 | 25402563 | Rumman Mahmud Mahdi | 0.050 | C++11 | 2020-08-22 04:15:31 | |
| 6 | 25402567 | 李彦宏 | 0.050 | C++11 | 2020-08-22 04:16:31 | |
| 7 | 27814995 | AbdoFarah | 0.050 | C++11 | 2022-09-15 13:05:44 | |
| 8 | 25165069 | 赵子龙 | 0.060 | C++11 | 2020-06-22 10:25:44 | |
| 9 | 25399576 | 马孟起 | 0.060 | C++11 | 2020-08-21 06:50:54 | |
| 10 | 25993810 | 贾跃亭 | 0.060 | C++11 | 2021-01-21 19:46:56 | |
| 11 | 18683388 | Michael Galczewski | 0.070 | C++11 | 2017-01-27 05:57:53 | |
| 12 | 21904852 | Ryan Austin Fernandez | 0.070 | C++11 | 2018-09-04 10:06:35 | |
| 13 | 22579440 | Pranto Das | 0.070 | C++11 | 2019-01-08 14:13:10 | |
| 14 | 26092644 | Astrom | 0.070 | C++11 | 2021-02-14 03:43:06 | |
| 15 | 17011810 | Vítor Castelo Branco | 0.076 | C++ | 2016-03-13 21:48:17 | |
| 16 | 19495350 | Saúl Germán Gutiérrez Calderón | 0.080 | C++11 | 2017-06-08 22:21:42 | |
| 17 | 24586651 | 关云长 | 0.080 | C++11 | 2020-02-19 18:47:49 | |
| 18 | 19024568 | Giovanni Barros | 0.090 | C++ | 2017-03-22 18:48:34 | |
| 19 | 19073869 | Bruno Ploumhans | 0.090 | C++11 | 2017-03-29 20:26:50 | |
| 20 | 19982908 | Jason | 0.090 | C++11 | 2017-09-10 02:47:13 | |