Спасибо за участие!

1834A - Единичный массив was authored and prepared by Artyom123

1834B - Максимальная прочность was authored by jury of the olympiad, and prepared by TheEvilBird

1834C - Игра с переворотом was authored and prepared by sevlll777

1834D - Опрос на уроке was authored by vaaven and Mikhango and prepared by Alexdat2000

1834E - MEX НОК was authored by TeaTime and prepared by I_love_kirill22

1834F - Печатная машинка was authored and prepared by Ziware