April Challenge 2015
Broken Telephone, Chef and Interview, Chef and Piano Scales
August Challenge 2015
Gravity Guy, Cooking Machine, Aditi and Magic Trick
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
May Challenge 2017
Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers
June Challenge 2017
A Good Set, Xenny and Coin Rankings, Triplets
September Challenge 2017
Chef and Pick Digit, Little Chef and Sums, Fill The Matrix, Minimum Good Permutation
April Challenge 2018 Division 2
Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
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