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Root
1471 - Defense Lines
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| Total Submissions | Users that tried it | Users that solved it |
| 5465 | 754 | 642 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 11085305 | Brian Fry | 0.004 | ANSI C | 2012-12-29 00:13:11 | |
| 2 | 19332312 | Pedro | 0.070 | C++ | 2017-05-07 14:07:58 | |
| 3 | 17175915 | sgtlaugh | 0.090 | C++ | 2016-04-10 00:33:02 | |
| 4 | 20906033 | Ruozai Tian | 0.110 | C++ | 2018-03-10 04:43:36 | |
| 5 | 23685577 | 张尊喆 | 0.110 | C++ | 2019-07-29 10:38:31 | |
| 6 | 27406709 | Ling | 0.110 | C++11 | 2022-04-14 02:54:28 | |
| 7 | 21901206 | 人 | 0.130 | C++11 | 2018-09-03 14:25:44 | |
| 8 | 22484960 | luogu_bot4 | 0.130 | C++ | 2018-12-23 05:41:00 | |
| 9 | 22189748 | luogu_bot3 | 0.140 | C++ | 2018-10-25 14:24:31 | |
| 10 | 23362102 | 张翼德 | 0.140 | C++11 | 2019-05-19 12:54:37 | |
| 11 | 25344764 | 程瞻远 | 0.140 | C++ | 2020-08-07 14:32:32 | |
| 12 | 27191936 | Baron | 0.140 | C++11 | 2022-01-31 06:17:01 | |
| 13 | 27225226 | _Eternal_ | 0.140 | C++11 | 2022-02-12 07:08:18 | |
| 14 | 27665100 | ghffghg | 0.140 | C++11 | 2022-07-20 05:02:28 | |
| 15 | 25344768 | 李彦宏 | 0.150 | C++ | 2020-08-07 14:33:50 | |
| 16 | 25727862 | 马化腾 | 0.150 | C++ | 2020-11-16 08:45:34 | |
| 17 | 26800568 | 马孟起 | 0.150 | C++11 | 2021-09-23 13:20:14 | |
| 18 | 27394444 | Jiang Junhong | 0.150 | C++11 | 2022-04-09 05:58:42 | |
| 19 | 23945280 | Roy4371 | 0.160 | C++11 | 2019-09-22 08:45:59 | |
| 20 | 19026440 | 关云长 | 0.200 | C++ | 2017-03-23 05:08:11 | |