I hope you enjoyed the contest!
Author: PurpleCrayon
Tutorial
Author: PurpleCrayon
Tutorial
Author: Monogon
Tutorial
1615D - (XO)R-ождественское дерево
Author: PurpleCrayon
Tutorial
Author: PurpleCrayon
Tutorial
1615F - ЛЕГОндарный гроссмейстер
Author: PurpleCrayon
Tutorial
1615G - Максимизация пар соседей
Author: BledDest
Tutorial will be added soon.
Author: Monogon
Tutorial