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Root
12947 - Texting with Grandma
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| Total Submissions | Users that tried it | Users that solved it |
| 241 | 72 | 54 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 19509138 | Pedro | 0.000 | C++ | 2017-06-11 21:03:57 | |
| 2 | 31242923 | Qiu Qiu | 0.030 | C++11 | 2026-08-07 05:26:06 | |
| 3 | 18722668 | Alexander Wirth | 0.040 | C++11 | 2017-02-04 00:46:35 | |
| 4 | 20340828 | Alberto Verdejo | 0.040 | C++11 | 2017-11-13 16:17:48 | |
| 5 | 23709249 | 张翼德 | 0.040 | C++11 | 2019-08-02 21:10:38 | |
| 6 | 31217937 | Felix Halim | 0.040 | C++11 | 2026-07-19 06:00:38 | |
| 7 | 31242922 | 周鸿祎 | 0.040 | C++11 | 2026-08-07 05:25:48 | |
| 8 | 31249225 | crowdforces | 0.040 | C++ | 2026-08-12 07:51:34 | |
| 9 | 16066402 | Diego Agudelo España | 0.042 | C++11 | 2015-09-08 15:22:11 | |
| 10 | 16163823 | nehc | 0.042 | ANSI C | 2015-09-25 17:09:30 | |
| 11 | 16096957 | madxmad | 0.046 | C++ | 2015-09-14 01:30:45 | |
| 12 | 16085285 | Alex Pizarro | 0.049 | C++11 | 2015-09-11 21:32:06 | |
| 13 | 16226679 | Oscar Gauss Carvajal Yucra | 0.049 | C++ | 2015-10-07 19:27:31 | |
| 14 | 20340967 | Marco Antonio Garrido Rojo | 0.050 | C++11 | 2017-11-13 16:54:06 | |
| 15 | 20366199 | MIING | 0.050 | C++11 | 2017-11-19 01:00:39 | |
| 16 | 16164537 | Krzysztof Stencel | 0.056 | C++ | 2015-09-25 20:12:21 | |
| 17 | 22286207 | Md. Ashraf-ul Asad | 0.060 | C++11 | 2018-11-10 18:43:49 | |
| 18 | 24225846 | 兔瓦斯 | 0.060 | C++11 | 2019-11-21 07:55:35 | |
| 19 | 17849370 | Fernando Perez Zabalaga | 0.070 | C++ | 2016-08-16 15:49:15 | |
| 20 | 18048026 | Martin | 0.070 | C++11 | 2016-09-23 12:28:47 | |