January Challenge 2018
Maximum Score, Rectangle, String Merging, Partition the numbers, K-Concatenation
November Challenge 2018 Division 2
Chef, Primes and Trees (Challenge), Chef and Happiness, Chef and Difficult Contests, Binary Strings, Magician versus Chef 2, Good Median, Appy Loves One, Chef and Ridges
November Lunchtime 2018 Division 1
Useful Number, Beats and Pieces
October Lunchtime 2018 Division 2
Three Friends, Coloring the Grid
India