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Root
10290 - {Sum+=i++} to Reach N
Total Submissions Users that tried it Users that solved it
8980 1404 394
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 17267273 Mir Lutfur Rahman 0.050 C++11 2016-04-26 16:35:03
10 25858478 张翼德 0.050 C++11 2020-12-17 11:41:30
11 25858483 关云长 0.050 C++11 2020-12-17 11:42:42
12 25858494 Sam 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 Tom 0.060 C++11 2020-12-17 11:39:52
18 25858503 Bill 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