January Challenge 2018
Maximum Score, Rectangle, K-Concatenation
March Cook-off 2018 Division 2
Chef Judges a Competition
June Cook-Off 2018 Division 2
Archi and Comparsion, Good Permutations
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs
June Challenge 2018 Division 2
Binary Shuffle, Naive Chef
July Challenge 2018 Division 2
Magic Set, No Strings Attached, Strike or Spare, Reach Equilibrium
September Challenge 2018 Division 2
Magician versus Chef, War of XORs, Chef and Adventures, Table Game, Bad Shuffle
December Challenge 2018 Division 1
(Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR
September Lunchtime 2018 Division 2
Judging Delay, Chef Restaurant , Opposite Cites
October Lunchtime 2018 Division 1
Coloring the Grid, Weird Question
Quick Code (Rated for Division 2)
Immortal Frieza, Majin Vegeta
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice
August Challenge 2019 Division 1
Dilemma, Zombie and the Caves, Distribute Apples, Football, Chef and Gordon Ramsay, Maximize an Expression, Encoding, Guddu and his Mother
February Challenge 2020 Division 1
Chef and Railway Stations, Expected Change, No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps
India