February Cook-Off 2018
Chef and Tuples, Chef and Chefness, Chef and Line, Chef and Cook-Off
February Lunchtime 2018
Prefix borders, Game with numbers, Jumping in the hills
March Cook-off 2018 Division 1
Chef Restores a Matrix, Chef Goes to the Cinema
April Lunchtime 2018 Division 1
The hardest gcd problem, Triple-tree decomposition, Solve what you want, Fast forward travelling
June Lunchtime 2018 Division 1
Unusual Sorting, Sort the Leaves, Permutation Composition Queries, Summary Power
