January Challenge 2015
Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries, Queries on the String
June Cook-Off 2015
Longest non regular parentheses sub-sequence, Strange operations
December Cook-Off 2015
Chef and Subarrays, Chef and Queries
February Challenge 2016
Devu and a light discussion, Matrix Maximum Sum, Chef-Detective, Rectangles of Love, Chef and Strange Operations, Sereja and Two Lines
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs, Chef and Two String
December Challenge 2016
Our Base is Under Attack, Bear and Three Colours, Advanced Cooking Machine, Roses for Alexey, Edit Distance Revisited, Sereja and Increasing subsequence, Chef and Finding Direction, Kth Max Subarray, Train Partner, Kirito in labyrinth
March Cook-Off 2016
Digital clock, Alternating subarray prefix
June Cook-Off 2016
Sticks, Range Minimum Queries , Cutting Cake, Right Triangle
July Lunchtime 2016
Drumpf for President!, Lumpy - The Bus Driver
February Challenge 2017
Gerrymander, Chef and Triangles, Most Frequent Element, Chef and His Apartment Dues, Interval Game
March Challenge 2017
Cooking Schedule, Completing favorite game, Sum of distances, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, Bandwidth of a matrix
IOPC 2017 (Rated)
The Birthday Tears, Game Of Life, Max Out, Christmas Time, Solve the Assignment
Estonia