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Root
11548 - Blackboard Bonanza
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| Total Submissions | Users that tried it | Users that solved it |
| 1551 | 516 | 440 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 28203125 | Shakil Ahmed (CUET 03) | 0.120 | C++ | 2023-02-02 07:25:07 | |
| 2 | 25250977 | zeed_zero2 | 0.180 | C++ | 2020-07-14 14:54:17 | |
| 3 | 25424518 | Yabel Aurelius | 0.180 | C++11 | 2020-08-28 07:21:46 | |
| 4 | 27639189 | Michał Gawarkiewicz | 0.180 | C++11 | 2022-07-10 19:58:14 | |
| 5 | 20538827 | Pedro | 0.190 | C++ | 2017-12-27 00:51:00 | |
| 6 | 23068337 | James Ryans | 0.190 | C++11 | 2019-03-28 10:53:56 | |
| 7 | 17382452 | Md. Ashraf-ul Asad | 0.200 | C++ | 2016-05-19 00:41:51 | |
| 8 | 15415518 | Time-UFPE | 0.209 | C++ | 2015-05-01 13:59:08 | |
| 9 | 16127716 | M4G!C!4N | 0.216 | C++ | 2015-09-19 08:06:56 | |
| 10 | 20322294 | Qiu Qiu | 0.220 | C++11 | 2017-11-09 10:01:33 | |
| 11 | 27417763 | anas | 0.220 | C++11 | 2022-04-18 02:49:23 | |
| 12 | 16023116 | Kezia | 0.223 | C++ | 2015-08-31 12:05:27 | |
| 13 | 21509321 | wjj | 0.230 | C++11 | 2018-06-24 06:57:09 | |
| 14 | 21873103 | S. Mahmudul Hasan | 0.230 | C++11 | 2018-08-28 14:02:58 | |
| 15 | 25250974 | seed_zero | 0.240 | C++ | 2020-07-14 14:53:29 | |
| 16 | 25323469 | NawNaw | 0.240 | C++11 | 2020-08-02 01:49:53 | |
| 17 | 10726351 | Miguel Revilla | 0.248 | ANSI C | 2012-10-12 22:52:27 | |
| 18 | 22635881 | Carlos | 0.250 | C++11 | 2019-01-19 11:38:52 | |
| 19 | 23348896 | dibyabha | 0.250 | C++ | 2019-05-16 22:23:10 | |
| 20 | 23389783 | 赵子龙 | 0.250 | C++11 | 2019-05-24 18:27:17 | |