Koushik Shetty

• Username: 4★kou007
• Student/Professional:Professional
• Organisation:Amadeus Software Labs India 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: 23

Current Ratings Graph Old Ratings Graph

1871 (+62)RatingProvisional
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May Challenge 2021 Division 2 (Rated)(2021-05-17 15:00:02)

Global Rank:   1

Cheated in:   

Ratings System Update

(2021-05-17 15:00:02)

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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1871 (-124)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2021 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1

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 (23)

September Challenge 2014

Chef and Left-Right, Fun with Rotation, Chef and Rainbow Array - 2

October Challenge 2014

Remy paints the fence, Chef and Ground

November Challenge 2014

Let us construct palindrome, Chef and Red Black Tree, Distinct Characters Subsequence, Sereja and Permutations, Chef and Words, Chef and Segment Game

December Challenge 2014

Chef Under Pressure

January Challenge 2015

One Dimensional Kingdoms

February Challenge 2015

Chef and Strange Formula, Chef and Strings

March Challenge 2015

Count Substrings

September Challenge 2018 Division 2

Table Game

September Challenge 2019 Division 2

Chef and Good Subsequences, (Challenge) Sebi and CPU Design, Chef and Interesting Subsequences , Chef Designed a Network, Doofish Set, Fuzzy Linear Combinations, Biladerim Icin, Easy Fibonacci

October Challenge 2019 Division 2

Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

December Challenge 2019 Division 2

Addition, That Is My Score!, (Challenge) Cubical Virus, Sticky Notes, Binary XOR, Easy Subsequence Selection, Chefina and Ranges, Plus Multiply

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Doofish Matrix, Chefina and Prefix Suffix Sums, English, Chefland Army

February Challenge 2020 Division 1

Chef and Railway Stations, Expected Change, No Change Required, Balancing Network Revisited, Chef and Gordon Ramsay 2, (Challenge) Raisins, Long Contest and Cook Off Overlaps

March Challenge 2020 Division 1

Good Subsequences

May Challenge 2020 Division 1

Buying a New String

June Challenge 2020 Division 1

Guessing Game, Operations on a Tuple

August Challenge 2020 Division 1

Insanely Hard School Exams, Precious Stones , Chefina and Strange Tree, Chef Thanos Wants Perfect Balance

September Challenge 2020 Division 1

Move the Coins 2

April Challenge 2021 Division 2

Boolean Game, Tree Permutations, Binary String MEX

May Challenge 2021 Division 2 (Rated)

Valid Paths, Tree House, An Interesting Sequence, King Killing, Xor Equality, Tic Tac Toe, Modular Equation

June Challenge 2021 Division 2 (Unrated)

Dual Distance

Total Problems Solved: 87