Ayan Ghatak

• Username: 6★ratulghatak
• Country:  India
• Student/Professional:Professional
• Organisation:Flipkart Internet Pvt. Ltd.
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 42

Current Ratings Graph Old Ratings Graph

2234 (+26)RatingProvisional
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November Cook-Off 2014(2014-11-24 00:00:00)

Global Rank:   68

Cheated in:   

Ratings System Update

(2014-11-24 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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2234 (+86)RatingProvisional
Rating i Provisional Rating, click to know more

November Cook-Off 2014(2022-12-20 00:00:00)

Global Rank:   68

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 (42)

April Long Contest

Number Game Revisited

July 2011 Long Contest

Large Kitchen, Most Popular Friend

July Cook-off 2011

Garden Squares

August Long Contest 2011

Infinite Grid Game, Complex Spanning Tree

September Long Contest

Younger Brother, BIT Magazine

October Long Contest 2011

Dish Distribution, The Great Plain, Lucky Palin

September Cook-off

Hotel Bytelandia

October Cook-off

Chef Travel Routes

November Long Contest 2011

New Restaurant, Stepping Average

November Cook-Off

Moving Coins, Subanagrams

December 2011 Long Contest

Birthday Gift

December Cook-Off

Ciel and A-B Problem

January Cook-Off

Collision in Space

February 2012 Challenge

Lucky Count, Lucky Long, Word Counting, Count of Maximum

February 2012 Cook-off

Daily Train

March 2012 Challenge

Free Shuttle Service, Home Delivery, Spoon in Matrix

April Challenge 2012

Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight

July Challenge 2012

Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating, Addition chains

August Challenge 2012

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

August Cook-Off 2012

Forced Output, Code Crazy Minions

September Challenge 2012

Simultaneous Nim, Kisses & Hugs, Chef World, Racing Horses, Queries About Numbers, ChefTown Parade, Three is Crowd

October Challenge 2012

Little Elephant and Order, Fierce Battles, Event Organizer, Maximum Sub-rectangle in Matrix, The New Scheme, Need More Diamonds

September Cook-Off 2012

Prime Permutations, Recipe Reconstruction, Carvans, Coal Scam

October Cook-Off 2012

Buying Sweets, Equalization

Lunch Time June 2013

Online Shopping, Number of Factors

July Challenge 2013

Galactik Football, The Probability Of Winning, Chef and Walking on the rectangle , Count K-Primes, Circle of death

October Cook-Off 2013

Polo the Penguin and the Numbers, Polo the Penguin and the Test

November Challenge 2013

Superpowers of 2, Yet Another Cute Girl, Uncle Johny, Square Digit Squares, Missing some chairs

February Cook-Off 2014

Chef and Remissness, Chef and Kingship, Chef and Reunion

July Cook-Off 2014

Copy-Paste, Sum Queries

November Cook-Off 2014

Lost Graph, Brackets, Petersen Graph

March Challenge 2014

Sereja and Sorting 2, Team Split, Binary Tournament, Walk, Maximum number, GCD condition, Little Chef and Numbers, Mike and Stamps, A Story with Strings

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

June Challenge 2014

Little Elephant and Blocks, Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Two Companies, Guessing Game, Forgot Password

July Challenge 2014

Little Elephant and Painting, Garden Game, Chef and Frogs, Sereja and Equality, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner, Lucky Game, Game of Numbers

August Challenge 2014

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

July Lunchtime 2014

And Operation, Shift The String, Lowest Common Ancestor

October Lunchtime 2014

Tanu and Head-bob, Physics Class, Cascading Style Sheets

Total Problems Solved: 178