January Challenge 2018
Maximum Score, Rectangle, String Merging, Partition the numbers
February Challenge 2018
Chef And His Characters, Chef And The Patents, Permutation and Palindrome
March Challenge 2018 DIV 2
Chef and Glove, Mix the Colors, Chef and Easy Problem
August Cook-Off 2018 Division 2
Mixi Game, Balsa For The Three
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
June Challenge 2018 Division 2
Sheokand and String, Naive Chef
August Challenge 2018 Division 2
Spell Bob, Problem Sort, Modular GCD, Sheokand and Number
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Serves, Byte to Bit
August Lunchtime 2018 Division 2
Chef and Problem Setting, Chef and Eid
ProCon 2018 (Rated for all)
The Great Run, Kill them with your success
February Challenge 2019 Division 2
Chef and Secret Ingredients
March Challenge 2019 Division 2
Chef and Number Game, Chef and a Beautiful Digit, Chef got Recipes
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Equality, Breaking Bricks
January Cook-Off 2020 Division 2
Chef Chick, Exam Cheating
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food, Under the Tunnels
India