June Challenge 2017
Chef and the Feast, Pairwise union of sets, A Good Set
July Challenge 2017
Chef and Sign Sequences, Pishty and tree, Whats in the Name, Calculator , IPC Trainers
August Long Challenge 2017
Chef and Mover, Palindromic Game, Greedy Candidates
September Challenge 2017
Little Chef and Sums, Chef and Pick Digit, Sereja and Commands
October Challenge 2017
Chef and Magic Arrays, Max Mex, Counter Test For CHEFSUM
August Cook-Off 2017
Real obtuse, From heaven to earth
June Lunchtime 2017
Maximum Unique Segment, Two Numbers
September Lunchtime 2017
Chef and Cook-Off Contests
January Challenge 2018
Maximum Score, Partition the numbers, String Merging, K-Concatenation, Rectangle
February Challenge 2018
Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome
March Challenge 2018 DIV 2
Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove
June Challenge 2020 Division 2
Even Matrix, Chef and Icecream, Chef and String, Chef and Price Control
August Challenge 2020 Division 2
Chef Wars - Return of the Jedi, Another Card Game Problem, Smallest KMP, Chef and Wedding Arrangements
India