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Root
10290 - {Sum+=i++} to Reach N
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| Total Submissions | Users that tried it | Users that solved it |
| 9169 | 1439 | 417 |
| Top 20 | ||||||
| Ranking | Submission | User | Run Time | Language | Submission Date | |
| 1 | 885557 | Cronos | 0.010 | ANSI C | 2002-06-03 13:23:04 | |
| 2 | 20383221 | J | 0.010 | C++ | 2017-11-22 15:44:04 | |
| 3 | 7202112 | LayCurse | 0.016 | ANSI C | 2009-06-20 10:54:47 | |
| 4 | 1328125 | Alexander Grushetsky | 0.020 | C++ | 2003-01-12 22:14:54 | |
| 5 | 6450035 | Robert Gerbicz | 0.020 | C++ | 2008-05-27 15:08:25 | |
| 6 | 6674542 | Josh Bao | 0.040 | C++ | 2008-09-23 09:33:26 | |
| 7 | 8306129 | Fredrik Svensson | 0.040 | C++ | 2010-10-09 11:28:35 | |
| 8 | 8645104 | Guilherme Rodrigues Nogueira Souza | 0.040 | C++ | 2011-03-13 00:00:50 | |
| 9 | 29086496 | 关云长 | 0.040 | C++11 | 2023-12-26 16:31:41 | |
| 10 | 17267273 | Mir Lutfur Rahman | 0.050 | C++11 | 2016-04-26 16:35:03 | |
| 11 | 25858478 | 张翼德 | 0.050 | C++11 | 2020-12-17 11:41:30 | |
| 12 | 25858494 | 李彦宏 | 0.050 | C++11 | 2020-12-17 11:45:31 | |
| 13 | 7758434 | mega bit_8 | 0.052 | C++ | 2010-02-16 10:54:54 | |
| 14 | 20375115 | David Guzuman | 0.060 | C++ | 2017-11-21 00:48:11 | |
| 15 | 24010646 | sa072686 | 0.060 | C++ | 2019-10-07 06:45:03 | |
| 16 | 24815138 | Cheng, Fan | 0.060 | C++ | 2020-04-03 23:38:29 | |
| 17 | 25858472 | 马化腾 | 0.060 | C++11 | 2020-12-17 11:39:52 | |
| 18 | 25858503 | 周鸿祎 | 0.060 | C++11 | 2020-12-17 11:47:36 | |
| 19 | 1188825 | David Rydh | 0.070 | C++ | 2002-10-23 22:00:30 | |
| 20 | 22337229 | Peter Lin | 0.070 | C++ | 2018-11-22 11:28:46 | |