e-olymp
Problems

Is it a Tree?

Submits: 7914
Accepted submits: 2157
Users submitted: 1883
Users accepted: 1516
Complexity: 19%
The complexity of the problem is determined by the ratio between number of users who have solved the problem, and number of users who have submitted solution.

Best solutions

#UserSubmit dateTimeMemoryCompiler
6444179ZA_Toghrul Jan 7, 2020, 11:05:49 AM 0.43 ms 511 Judge C++
6370735tychna Dec 17, 2019, 4:56:19 PM 0.63 ms 507 Judge C++
2157094u201askerov Oct 4, 2015, 11:14:23 AM 1.68 ms 687 Judge C++
2067531Andr2718 Jul 8, 2015, 8:15:04 PM 1.69 ms 688 Judge C++
2973566Vasif Dec 1, 2016, 11:57:49 AM 2.33 ms 669 Judge C++
2914173U3-Sharif Nov 10, 2016, 7:21:40 PM 2.32 ms 670 Judge C++
2877572ys13voloshyn Oct 28, 2016, 9:46:17 PM 2.42 ms 669 Judge C++
3114624MartinevskiDenis Jan 26, 2017, 5:39:13 PM 2.45 ms 668 Judge C++
3105948nikitosis Jan 23, 2017, 2:11:10 PM 2.43 ms 670 Judge C++
3116548nikitosis Jan 27, 2017, 2:48:44 PM 2.42 ms 671 Judge C++