March Challenge 2017
Bear and Extra Number, Xenny and Alternating Tasks, Bandwidth of a matrix
April Challenge 2017
Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
June Challenge 2017
A Good Set, Pairwise union of sets, Triplets, Xenny and Coin Rankings, Chef and the Feast, Euler Sum, Chef and Prime Queries
July Challenge 2017
Two Coins, IPC Trainers, Calculator , Whats in the Name, Pishty and tree, Chef and Sign Sequences, Tree Expectancy
August Long Challenge 2017
Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Palindromic Game, Greedy Candidates, Strings and Graphs
November Challenge 2017
Chef Hates Palindromes, Villages and Tribes, Periodic Palindrome Construction, Chef goes Left Right Left, Chef and Subarray Queries
March Challenge 2018 DIV 1
Pishty and Triangles, Chef and Easy Problem, Mix the Colors, Minions and Voting
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