National High School Programming Contest 2020 - Preliminary
This contest has ended. It had started on and ran for 5 hours 30 minutes.
The authors of this contest are Arcturus, borisal, camelia, curly_braces, fire_tornado, Hasinur_, ishtupeed, jackal_1586, msabeer, Muhimin_Osim, ovis96, PKP007, pranonraian, tahsin_protik, TarifEzaz, and Tashdid_trdb.
You can use C++11 GCC 7.4, C++14 GCC 8.3, C++17 GCC 9.2, C11 GCC 9.2, and 4 other programming languages PyPy 7.1 (2.7), PyPy 7.1 (3.6), Python 2.7, and Python 3.7 in this contest.
Be fair, be honest. Plagiarism will result in disqualification. Judges’ decisions will be final.