August Long Challenge 2017
Chef and Rainbow Array, Greedy Candidates, Chef and Mover, Palindromic Game
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
October Challenge 2017
Max Mex, Counter Test For CHEFSUM, A Balanced Contest
July Cook-Off 2017
Chang and Bitwise OR, Chang and the Perfect Function
August Cook-Off 2017
From heaven to earth, Real obtuse
September Lunchtime 2017
Chef and Cook-Off Contests
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
January Lunchtime 2018
Chef and Game with Sequence
February Challenge 2018
Permutation and Palindrome, Car-pal Tunnel, Points Inside A Polygon, Chef And His Characters, Chef And The Patents
July Cook-Off 2018 Division 2
Encoding Message, OR Matrix
April Challenge 2018 Division 1
Chef and Array (Challenge), Highway Crossing, Count Good Prefixes, Workers
September Lunchtime 2018 Division 1
Chef Restaurant , Opposite Cites, Judging Delay
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success, Algebra Score
December Lunchtime 2018 Division 2
Print Pattern, Choosing from Buckets, Age Calculator
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Distinct Pairs, A Pizza Slice
India