Vitaliy

March Cook-off Challenge

Snake Snaky, Money Transformation

April Cook-Off Challenge

Internet Media Types, A Prime Conjecture

May Long Contest 2011

Tree Product, The Great Wall of Byteland

May Cook-off 2011

Popular Rice Recipe, Socializing Game around Pizza

July Cook-off 2011

Misinterpretation, Garden Squares

August Cook-off 2011

Vote for the Noodle Soup, Open the Dragon Scroll, Rotate the String

September Cook-off

Last Digit Sum, Digit Rotation, Hotel Bytelandia

October Cook-off

Generalized Arithmetic Progression Free Sequence, Chef Travel Routes

November Cook-Off

Subanagrams, Moving Coins

December Cook-Off

Ciel and New Menu, Ciel and A-B Problem

January Cook-Off

Collision in Space, Zeta-Nim Game

February 2012 Cook-off

Bears and Bees, Daily Train

March Cook-Off 2012

Ciel and a new island, Ciel Numbers II, Ciel Numbers I

April Cook-Off 2012

Selection for Training Camps, Top Batsmen

August Cook-Off 2012

Code Crazy Minions

July Challenge 2013

Circle of death, Sereja and Sorting, Count K-Primes, Chef and Walking on the rectangle , Furik and Rubik and Sub Array, Galactik Football, The Probability Of Winning, Across the River, Mountain Holidays, Needles and Pins

July Cook-off 2013

Chopsticks, Compressed String, A Plus B Again!

August Cook-Off 2013

Chef and The Right Triangles, Chef and The Divisibility Queries

September Cook-Off 2013

Game, Code, Tree, Strange Matrix

October Challenge 2013

Kamehameha

November Challenge 2013

Uncle Johny, Square Digit Squares, Missing some chairs

November Cook-off 2013

Rank of the Number, Lowest Sum, Am I a Fibonacci Number, Number of Paths

March Cook-Off 2014

Game of Divisors, ABC-Strings, Dividing Stamps

May Cook-Off 2014

Book Game with Chef, Divide the Cake, Ups and Downs

April Cook-Off 2015

Version Control System, Equality

August Challenge 2016

Chef and Chocolate

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

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