February Challenge 2018
Chef And His Characters, Chef And The Patents, Permutation and Palindrome
February Cook-Off 2018
Chef and Cook-Off, Chef and Tuples, Chef and Line
February Lunchtime 2018
Jumping in the hills, Game with numbers
March Challenge 2018 DIV 1
Chef and Easy Problem, Mix the Colors
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
May Lunchtime 2018 Division 2
Trace of Matrix, Count Substrings
April Challenge 2018 Division 1
Highway Crossing, Count Good Prefixes
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again
December Challenge 2018 Division 2
Chef and An Ideal Problem, Chef and Interactive Contests, Max and Electrical Panel
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Chef, Primes and Trees (Challenge), Chef and Difficult Contests, Chef and Happiness
October Lunchtime 2018 Division 2
Three Friends, Coloring the Grid, Weird Question
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