March Lunchtime 2018 Division 2 (Unrated)
Magic Elements, Chef and Friends
April Challenge 2018 Division 2
Chef and Array (Challenge), Vaibhav and Ministers, Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers
May Challenge 2018 Division 2
S-T Mincut, Dibs on Fibs, Fake Binary Search, Xor Again, Minimum Deletions, Edges in Spanning Trees, Change the Signs, Mighty Friend
July Challenge 2018 Division 1
Pizza Delivery, No Minimum No Maximum, Reach Equilibrium
October Challenge 2018 Division 1
Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, (Challenge) Chef and Takonemo, Coprime Components
December Lunchtime 2018 Division 1
Drawing Lines, Age Calculator, Maximize the NOSS, Choosing from Buckets
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Party, A Pizza Slice
