December Cook-Off 2019 Division 2
Purify It, Change It, Crash It, Xor It
January Challenge 2020 Division 2
Chef and Dynamo, Doraemon, Doofish Matrix, Equality, Chefina and Prefix Suffix Sums, English, Breaking Bricks, (Challenge) Building Anthills
February Challenge 2020 Division 1
The Theatre Problem, Polygon Chain, Long Contest and Cook Off Overlaps, (Challenge) Raisins, Hard Cash, School of Geometry, Chef and Gordon Ramsay 2, Balancing Network Revisited, No Change Required, Expected Change, Chef and Railway Stations
January Lunchtime 2020 Division 1
Construct Array, CCDSAP Exam, Under the Tunnels, Folding Paper
July Cook-Off 2020 Division 1
Chef and Modular Sequence, Path-etic Products, OR-thodox Distinction, Even-tual Reduction, MEX-ception, What Is This, a Crossover Episode, The In-XOR-able Task
June Cook-Off 2020 Division 1
Per Capita Income, Carry Bed, Checkpoints, Banned Quotient
October Challenge 2020 Division 1
Adding Squares, Chef and Easy Queries, Covid Run, Village Road Network, Compress all Subsegments, Replace for X, Rooted Minimum Spanning Tree, Random Knapsack, Positive AND, Inversions, D-Dimensional MST
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Min Max LCM, Lazy Machine, Equal Beauty, Dance Moves, Yet Another Flipping Problem
SnackDown 2021 - Online Pre-Elimination
Non-Decreasing Subsequence of size K, Good ranking, Product Pain, Guests like slippers
