September Challenge 2016
Faded Palindromes, Chef and digits of a number
March Challenge 2017
Xenny and Alternating Tasks, Bandwidth of a matrix, (CH) Bear and Sorted Rows, Bear and Extra Number
April Challenge 2017
Dish Of Life, Bear and Row 01, Similar Dishes
May Challenge 2017
Courses in an university, Median of adjacent maximum numbers
June Challenge 2017
Xenny and Coin Rankings, A Good Set, Chef and the Feast
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
September Lunchtime 2017
Chef and Cook-Off Contests
March Challenge 2018 DIV 2
A Big Sale, Minion Chef and Bananas, Chef and Glove, Mix the Colors
November Challenge 2019 Division 2
Hard Sequence, Weapon Value
December Challenge 2019 Division 2
Plus Multiply, That Is My Score!
January Lunchtime 2020 Division 2
Bob and His Friends, Chef and Street Food
ENIGMA - PLINTH'20 LNMIIT (Rated for all)
Minion AND Range, Recruit Villagers
India