April Challenge 2018 Division 2
Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
May Challenge 2018 Division 2
Mighty Friend, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs
December Challenge 2018 Division 1
Directing Edges, Chef and Interactive XOR, Max and Electrical Panel, (Challenge) Delete DAG
November Challenge 2018 Division 2
Chef and Ridges, Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Chef and Difficult Contests, Chef and Happiness
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, (Challenge) Chef and Matching Game, A Pizza Slice
India