August Long Challenge 2017
Chef and Mover, Palindromic Game, Greedy Candidates, Chef and Rainbow Array
November Challenge 2017
Periodic Palindrome Construction, Villages and Tribes
December Challenge 2017
Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays
January Challenge 2018
String Merging, Partition the numbers, Rectangle, Maximum Score, K-Concatenation
March Challenge 2018 DIV 2
Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas
September Mega Cook-Off 2018 Division 1
OneTwo, Make a Permutation
May Challenge 2018 Division 2
Dibs on Fibs, Fake Binary Search, Minimum Deletions, Mighty Friend, Xor Again
July Challenge 2018 Division 2
No Minimum No Maximum, Magic Set, Strike or Spare, No Strings Attached
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Distinct Pairs
February Challenge 2019 Division 1
Art of Balance, Yet Another Tree Problem, Guess It Right, Manhattan Rectangle, Chef and Secret Ingredients
February Cook-Off 2019 Division 1
Max Range Queries, Chef and Secret Password, Chef and Party
March Lunchtime 2019 Division 1
Corrupted Seven-Segment Display
June Challenge 2019 Division 1
Lent Money, (Challenge) SnackDown 99, Sum and GCD, Intersecting Paths, Chef and Ingredients
September Lunchtime 2019 Division 1
All Substrings, Find the Sum
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