Takaaki Hiragushi

• Username: 6★logicmachine
• Country:  Japan
• Student/Professional:Professional
• Organisation:-
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 32

Current Ratings Graph Old Ratings Graph

2344 (+33)RatingProvisional
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July Cook-Off 2015(2015-07-20 00:00:00)

Global Rank:   29

Cheated in:   

Ratings System Update

(2015-07-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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2344 (+72)RatingProvisional
Rating i Provisional Rating, click to know more

July Cook-Off 2015(2022-12-20 00:00:00)

Global Rank:   29

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (32)

April Cook-Off Challenge

A Prime Conjecture, Internet Media Types

May Cook-off 2011

Popular Rice Recipe, Distribute idlis Equally

June Cook-off

Correctness of Knight Move, Super-plane

July Cook-off 2011

Misinterpretation, Garden Squares, Pleasing Chief

August Cook-off 2011

Vote for the Noodle Soup, Open the Dragon Scroll

September Cook-off

Last Digit Sum, Digit Rotation, Hotel Bytelandia

December Cook-Off

Ciel and New Menu, Ciel and A-B Problem

January Cook-Off

Collision in Space

May Cook-Off 2012

Little Elephant and Strings

June Cook-Off 2012

Closing the Tweets, Connecting Soldiers

July Challenge 2012

Favourite Numbers, Chef's Dream, My Fair Coins, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating

August Challenge 2012

Little Elephant and Bombs, Lucky Driving, Range of Data, Delivery Boy

July Cook-Off 2012

Ciel and Receipt, Ciel and Map, Ciel and Tomya

August Cook-Off 2012

Forced Output, Code Crazy Minions

September Challenge 2012

Kisses & Hugs, Racing Horses, ChefTown Parade, Three is Crowd

October Challenge 2012

Little Elephant and Order, Fierce Battles, Event Organizer, The New Scheme, Need More Diamonds

September Cook-Off 2012

Recipe Reconstruction, Carvans, Coal Scam

November Challenge 2012

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

December Challenge 2012

Granama Recipes

May Cook-off 2013

Subtraction Game 1, Subtraction Game 2, Sequence Transmission

July Challenge 2013

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

August Cook-Off 2013

Chef and The Right Triangles, Chef and The String of Digits

November Cook-off 2013

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

January Cook-off 2014

Chef and the Cake I, Subtraction Game, Interrogating Gangsters

February Cook-Off 2014

Chef and Remissness, Chef and Kingship, Chef and Reunion

March Cook-Off 2014

Game of Divisors, ABC-Strings, Dividing Stamps

April Cook-Off 2014

Snape and Ladder

November Cook-Off 2014

Lost Graph, Most Distant Points, Brackets, Petersen Graph

August Challenge 2014

Mountain Holidays 2, Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Earthquake, Cleaning Tables, Chef and Gift

January Lunchtime 2014

Chef and Shop, Chef and String, Chef and Numbers

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum, Path containing K Nodes, Adding Special Sum

Total Problems Solved: 114