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Root
11155 - Be Efficient
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| Total Submissions | Users that tried it | Users that solved it |
| 1576 | 532 | 446 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 18692429 | yleewei | 0.010 | C++11 | 2017-01-28 20:53:58 | |
| 2 | 18707300 | Morass | 0.010 | C++11 | 2017-01-31 23:37:25 | |
| 3 | 19168877 | 马化腾 | 0.010 | C++11 | 2017-04-13 15:17:51 | |
| 4 | 17175656 | sgtlaugh | 0.020 | ANSI C | 2016-04-09 23:25:45 | |
| 5 | 17613335 | Nguyen Van Loc- HUBT University | 0.020 | C++11 | 2016-07-03 15:24:39 | |
| 6 | 17743136 | Abdulrahman_hs | 0.020 | C++11 | 2016-07-27 18:12:25 | |
| 7 | 17800780 | NCV91 | 0.020 | C++11 | 2016-08-07 09:27:33 | |
| 8 | 18618912 | Keisuke Kanao | 0.020 | C++ | 2017-01-14 05:43:58 | |
| 9 | 19168437 | 张翼德 | 0.020 | C++11 | 2017-04-13 14:05:36 | |
| 10 | 20085036 | Yi-Fan Tsai | 0.020 | C++11 | 2017-09-29 02:16:51 | |
| 11 | 20409760 | George Samuel | 0.020 | C++11 | 2017-11-27 22:04:47 | |
| 12 | 20689949 | abdo hamdy metwaly | 0.020 | C++11 | 2018-01-30 08:19:38 | |
| 13 | 22355545 | 黄汉升 | 0.020 | C++ | 2018-11-26 11:40:37 | |
| 14 | 22651119 | Gonzalo Cirilo | 0.020 | C++11 | 2019-01-22 02:17:53 | |
| 15 | 26772712 | zeed_zero2 | 0.020 | C++ | 2021-09-14 09:27:10 | |
| 16 | 28215858 | Md Joynal Abedin Joy | 0.020 | C++11 | 2023-02-07 21:04:50 | |
| 17 | 17613268 | NNXuan | 0.030 | C++11 | 2016-07-03 15:14:32 | |
| 18 | 17614058 | KK_XuanTuyen | 0.030 | C++ | 2016-07-03 17:43:55 | |
| 19 | 17664764 | viendetien | 0.030 | C++11 | 2016-07-13 15:48:15 | |
| 20 | 18234548 | mohamed | 0.030 | C++11 | 2016-10-22 06:17:07 | |