March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
June Challenge 2017
A Good Set, Xenny and Coin Rankings
August Long Challenge 2017
Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates
October Challenge 2017
A Balanced Contest, Counter Test For CHEFSUM, Max Mex
November Challenge 2017
Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes
January Challenge 2018
K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers
March Challenge 2018 DIV 2
Minion Chef and Bananas, Minions and Voting, Chef and Glove, A Big Sale, Chef and Easy Problem, Mix the Colors
March Cook-off 2018 Division 2
Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition
August Cook-Off 2018 Division 2
GukiZ and Candies, Mixi Game, Balsa For The Three
July Challenge 2018 Division 2
Magic Set, No Strings Attached, Strike or Spare
June Lunchtime 2018 Division 2
Sort the Leaves, Summary Power, Counting Pretty Numbers
January Challenge 2019 Division 2
A Pizza Slice, Different Neighbours, Fancy Quotes, Chef and Modulo Game, Distinct Pairs, Lucky Number Game, Yet Another Problem About Sequences
January Cook-Off 2020 Division 1
Profitable Paths, Range AND, Chefina and Sums
ENIGMA - PLINTH'20 LNMIIT (Rated for all)
Corruption in Freedonia, Gru is Handing Out Bananas, Gru and his Robbery of Mars, Minion AND Range, Recruit Villagers
India