June Challenge 2017
Chef and the Feast, A Good Set, Xenny and Coin Rankings
October Challenge 2017
Chef and Magic Arrays, Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest
September Challenge 2018 Division 1
AND Square Subsegments, Sasha and Photos, Table Game, Bad Shuffle
Replay of Indian IOITC 2018 #2 (Rated)
Exact Walks, Changing Numbers, Coin Denominations
March Challenge 2019 Division 1
Yet Again a Subarray Problem
July Lunchtime 2021 Division 2
Beautiful Pairs, Xor Separation, Array Rotation Returns, Longest Good Segment
September Cook-Off 2021 Division 1
Fake Swaps, Half Sequence, Chess Kings Chasing Game, Chef and Pairwise Distances
October Cook-Off 2021 Division 1
Can You Reach The End, Find the Modulus, Chef Up
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM
November Lunchtime 2021 Division 1
Permutation Pairs, Subarray Jumps, Min-Max Rotations
December Cook-Off 2021 Division 1
Binary String Game, Destructive Nim, RGB Construction, Break the Balance
January Lunchtime 2022 Division 1
Permutation XOR Sum, Permutation Deletion
May Cook-Off 2022 Division 1 (Rated)
Different Subarrays Rearrange, Triple Inversions
May Lunchtime 2022 Division 1 (Rated)
Balanced 0-1 Tree, Equal After And
Bulgaria