Jakub Tarnawski

Practice: 

Just a simple sum, AND Rounds, XOR Rounds, Integer Sequences, Dance Floor Energy, Palindrome Palindrome, Longest Arithmetic Progressions, Vote for the Noodle Soup, Open the Dragon Scroll, Rotate the String, Angry Chef - Crispy Chips, Collect the Chocolate Chips, Target Practice, Team Formation, Makx Sum, Gray Codes, Zeta-Nim Game, Lucky on Mars, Best Buggy Ratings, A Game of Thrones, Tree Fun, End Of The World 2, Tree, Big Number, Chef and Uniqueness

The January 2011 Cook-Off: 

Holes in the text, Chef team, Whole submatrix

February Cook - Off Challenge: 

Integer Sequences, Breaking Into Atoms, Three Way Communications

March Cook-off Challenge: 

Money Transformation, Snake Snaky

Hackathon: 

Company Sucks, Higher Exponent Sums, Cipher Text, Magic Soup, Floor Function, Parade

May Cook-off 2011: 

Popular Rice Recipe, Packing the Golden Triangles, Distribute idlis Equally

June Cook-off: 

Correctness of Knight Move, Super-plane

July Cook-off 2011: 

Misinterpretation, Garden Squares, Pleasing Chief

September Cook-off: 

Last Digit Sum, Digit Rotation, Hotel Bytelandia

November Cook-Off: 

Moving Coins, Subanagrams, Graph on a Plane

December Cook-Off: 

Ciel and New Menu, Ciel and A-B Problem, Ciel and Battle Arena

Dementia 2012 - IIT Mandi: 

Spiral Numbers, Counting Stars, Protecting Sheep, Gray Codes, nCr as a Service, Balanced Primes

January Cook-Off: 

Collision in Space, Makx Sum, Moving between Floors

February 2012 Challenge: 

Box and Ball System, Lucky Count, Restore the Recipe, Lucky Long, Word Couting, Count of Maximum

February 2012 Cook-off: 

Daily Train, Equation Solver

March Cook-Off 2012: 

Ciel Numbers I, Ciel Numbers II

Paradigm Shift contest 2012: 

Martian Football Tournament, Interesting Martian Trips, Lucky on Mars, Martian Coin Game, Pleasing the Martian King

April Cook-Off 2012: 

Selection for Training Camps, Top Batsmen, Crease Painting, Resistance

May Cook-Off 2012: 

Little Elephant and Balance, Little Elephant and Swapping, Little Elephant and Strings

August Cook-Off 2012: 

Codechef Password Recovery, Forced Output, Code Crazy Minions, Asmany Number Verification

October Challenge 2012: 

Team Formation, Little Elephant and Order, Fierce Battles, Event Organizer, Blade Master, The New Scheme, Need More Diamonds

October Cook-Off 2012: 

Buying Sweets, Equalization, Tennis Tournament, Tree Fun

November Challenge 2012: 

Lucky Balance, A Wonderful Chocolate, Delicious Dishes, Candy Collecting Game, Coin Flip, Jam Board, Martial Arts, Many Left, Sridhar Likes Travelling, Arithmetic Progressions

December Cook-Off 2012: 

Expected Greatest Common Divisor, Root of the Problem, Packaging Cupcakes, Reversing directions

February Cook-Off 2013: 

Lack of Logic, Row and Column Operations

Obfuscation 2013: 

AndWinComp

March Cook-off 2013: 

The Ball And Cups, Palindrome, Level Of Difference

Instruo 2013: 

The Palindrome Game

May Cook-off 2013: 

Subtraction Game 1, Subtraction Game 2, Sequence Transmission

September Cook-Off 2013: 

Strange Matrix, Game, Code

October Cook-Off 2013: 

Polo the Penguin and the Lucky String, Polo the Penguin and the Numbers, Polo the Penguin and the Test, Polo the Penguin and the XOR, Polo the Penguin and the Tree

February Cook-Off 2014: 

Chef and Remissness, Chef and Kingship, Chef of The Ancient, Chef and Uniqueness, Chef and Reunion

July Cook-Off 2014: 

Copy-Paste, Present for Andrii, Sum Queries, Friends

September Cook-Off 2014, ACM-ICPC Warm up: 

Sherlock and the Grid, Subarray GCD, Subarray LCM, World War 2, Updating Edges on Trees

January Cook-Off 2018: 

Multiple of 3, Make array great again, Finding the matrix, Survive in ChocoLand

SnackDown 2021 - Online Qualifiers: 

Lucky Number

SnackDown 2021 - Online Round 1B: 

Queens Placement , Largest Laddu, Help Nishant

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