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Root
11639 - Guard the Land
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| Total Submissions | Users that tried it | Users that solved it |
| 2990 | 1009 | 886 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 7288506 | Md.Saiful Islam Saif | 0.000 | ANSI C | 2009-08-01 18:21:11 | |
| 2 | 7321163 | helloneo | 0.000 | ANSI C | 2009-08-16 13:47:48 | |
| 3 | 7421734 | Rodrigo Burgos Dominguez BUAP | 0.000 | ANSI C | 2009-09-22 20:46:26 | |
| 4 | 7427908 | Vytenis Šakėnas | 0.000 | C++ | 2009-09-25 00:55:53 | |
| 5 | 7551133 | cheeto | 0.000 | C++ | 2009-11-12 02:08:28 | |
| 6 | 7617841 | Md. Wasi Ul Kabir | 0.000 | C++ | 2009-12-11 10:38:09 | |
| 7 | 11022033 | Time-UFPE | 0.000 | C++ | 2012-12-12 20:45:38 | |
| 8 | 15610818 | 李彦宏 | 0.000 | C++ | 2015-06-10 17:00:48 | |
| 9 | 15611041 | 马孟起 | 0.000 | ANSI C | 2015-06-10 17:49:22 | |
| 10 | 15732834 | Sajed_DU_IIT | 0.000 | ANSI C | 2015-07-07 16:57:21 | |
| 11 | 15874472 | fazle rabbi | 0.000 | ANSI C | 2015-08-04 03:06:14 | |
| 12 | 16072258 | Jaren Rex | 0.000 | C++ | 2015-09-09 14:46:34 | |
| 13 | 16085143 | ahmed fathy | 0.000 | C++11 | 2015-09-11 20:42:09 | |
| 14 | 16203669 | MD. Maqsud ul Anwar | 0.000 | C++11 | 2015-10-03 15:23:06 | |
| 15 | 16241643 | phuong lan | 0.000 | C++11 | 2015-10-10 04:48:06 | |
| 16 | 16241771 | Hoàng Nguyên | 0.000 | C++11 | 2015-10-10 05:16:09 | |
| 17 | 16241797 | Nguyen Quoc Nhan | 0.000 | C++ | 2015-10-10 05:22:12 | |
| 18 | 16271702 | Ishtiaq11 | 0.000 | C++11 | 2015-10-15 10:19:22 | |
| 19 | 16276693 | epik | 0.000 | C++ | 2015-10-16 09:39:10 | |
| 20 | 16276841 | Tanzir | 0.000 | C++ | 2015-10-16 10:13:52 | |