Roman Udovichenko

Practice: 

The Next Palindrome, Tautology, Bytelandian gold coins, End Of The World 2

July 2010: 

Block Tower, Closest Ranking

October 2010 Challenge: 

Integer Combinations Of Vectors

January 2011 Challenge: 

Restaurant Expansion, Splitting Giant Subs, Count Relations

February Cook - Off Challenge: 

Integer Sequences, Breaking Into Atoms, Three Way Communications, Icing Crowns

March Cook-off Challenge: 

Grouping Chefs, Snake Snaky, Money Transformation

April Long Contest: 

Central Point

April Cook-Off Challenge: 

The Grand Cook Off, A Prime Conjecture, Internet Media Types

June Cook-off: 

Longest Arithmetic Progressions, Correctness of Knight Move, Super-plane

August Cook-off 2011: 

Collect the Chocolate Chips, Angry Chef - Crispy Chips, Open the Dragon Scroll, Vote for the Noodle Soup, Rotate the String

October Long Contest 2011: 

The Great Plain

January 2012 Challenge: 

Ambidextrous Chefs

January Cook-Off: 

Collision in Space, Makx Sum, Remys last tour, Moving between Floors, Zeta-Nim Game

April Cook-Off 2012: 

Crease Painting, Best Buggy Ratings, Resistance, Top Batsmen, Selection for Training Camps

June Cook-Off 2012: 

Closing the Tweets, Connecting Soldiers, Golden Trees

October Challenge 2012: 

Maximum Sub-rectangle in Matrix

February Cook-Off 2013: 

Lack of Logic, Row and Column Operations

August Cook-Off 2014: 

Tree Game, Permutation Shuffle, Shooting

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