March Challenge 2016
Palindromic substrings, Sereja and Two Strings 2, Chef And Special Dishes, maximize the sum, Parity tree
March Challenge 2017
Cooking Schedule, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bandwidth of a matrix
April Challenge 2017
Stable market, Similar Dishes, Bear and Clique Distances, Bear and Row 01, Dish Of Life, Chef and Divisor Tree
June Challenge 2017
Pairwise union of sets, Triplets, Xenny and Coin Rankings, Chef and the Feast, A Good Set, Chef and Prime Queries, Cloning
July Challenge 2017
IPC Trainers, Two Coins, Calculator , Servers (Challenge), Whats in the Name, Tree Expectancy, Pishty and tree, Chef and Sign Sequences
August Long Challenge 2017
Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Palindromic Game, Greedy Candidates
July Challenge 2018 Division 1
Reach Equilibrium, No Minimum No Maximum, Gears
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