October Challenge 2016
Big Queries, Chef and Keyboard, Chef and Three Dogs, Fenwick Iterations
December Challenge 2016
Train Partner, Kth Max Subarray, Chef and Finding Direction, Kirito in labyrinth, Our Base is Under Attack
April Challenge 2017
Bear and Random Grid, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
March Challenge 2018 DIV 1
Minions and Voting, Mix the Colors, Chef and Easy Problem, Chef and Interval Painting, Pishty and Triangles, Chef and Gcd Queries
May Challenge 2018 Division 1
S-T Mincut, Change the Signs, Edges in Spanning Trees, Not a Convex Hull (Challenge), Fake Binary Search, Dibs on Fibs
June Challenge 2018 Division 1
Two Flowers, Binary Board, Archi and Tree, Expected Buildings, Ways to Work, Vision
January Challenge 2019 Division 1
Yet Another Problem About Sequences, Distinct Pairs, Party
