Oleg B.

Practice: 

Turbo Sort, Chef and Gcd Queries, Game with numbers, Embedding a Tree (Challenge), Wingardium Leviosa, Change the Signs, Not a Convex Hull (Challenge), Chef and Typing, Maximize It, Chef and Modulo Game, Yet Again a Subarray Problem, Ada Rooks 2

March Challenge 2018 DIV 2: 

Chef and Easy Problem, Chef and Gcd Queries, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas, Embedding a Tree (Challenge), Pishty and Triangles

March Cook-off 2018 Division 1: 

Chef Goes to the Cinema, Chef Restores an Array, Chef Restores a Matrix

March Lunchtime 2018 Division 1 (Unrated): 

Three Integers, Magic Elements, Partitions, Queries with GCD

April Challenge 2018 Division 1: 

Chef and Array (Challenge), Vaibhav and Ministers, Chef at the Food Fair, Cutting Plants, S Semi-palindromic, Highway Crossing, Chef and Same Old Recurrence, Count Good Prefixes, Chef and Same Old Recurrence 2

May Challenge 2018 Division 1: 

Dibs on Fibs, Fake Binary Search, Not a Convex Hull (Challenge), Change the Signs, S-T Mincut, Edges in Spanning Trees

August Challenge 2018 Division 1: 

Coordinate Compression , Modular GCD, Princess and Dragons, Safe Partition, Interactive Matrix, Lonely Cycles

ALKHWARIZM (Rated): 

Help Voldemort, Hedwig The Smart Bird, Sam, The Charming Angel

Code Melange (Rated): 

Candy Love, The Deadly Sin, CPI Crisis, XD Subsequences, Longest Constrained Subsequence

January Challenge 2019 Division 1: 

(Challenge) Chef and Matching Game, A Pizza Slice, Party, Maximum Distance, Distinct Pairs, Partition the Graph, Different Neighbours, Yet Another Problem About Sequences

March Challenge 2019 Division 1: 

Chef and Soccer, Cheating on Queue, Perfect Tree Problem, Treasure Hunt, Yet Again a Subarray Problem, Matchable Permutations, (Challenge) Interleaving Strings

Problems Authored (0)

No Contribution

Problems Tested (0)

No Contribution

Editorials Contributed (0)

No Contribution