Akash Chatterjee

• Username: 3★lost_lensman
• Country:  India
• Student/Professional:Student
• Institution:St. Thomas' College of Engineering and Technology, Kolkata, West Bengal India
• 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: 24

Current Ratings Graph Old Ratings Graph

1777 (+14)RatingProvisional
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February Challenge 2021 Division 2(2021-02-15 15:00:02)

Global Rank:   1108

Cheated in:   

Ratings System Update

(2021-02-15 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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1777 (-71)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1108

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 (24)

July Challenge 2019 Division 2

Chef and Mean

August Challenge 2019 Division 2

Dilemma, Distribute Apples, Football

November Challenge 2019 Division 2

Physical Exercise, Hard Sequence, Weapon Value

November Cook-Off 2019 Division 2

Chef Diet

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!, Addition

January Challenge 2020 Division 2

Chef and Dynamo, Breaking Bricks

February Challenge 2020 Division 2

No Change Required, Long Contest and Cook Off Overlaps, Hard Cash, School of Geometry, The Theatre Problem

March Challenge 2020 Division 2

XOR Engine, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, COVID Pandemic and Long Queue, Sell All the Cars, Unit GCD, Squared Subsequences

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Isolation Centers

March Cook-Off 2020 Division 2

Find Your Gift

May Cook-Off 2020 Division 2

Chef and Recipe, Chef, Chefina and Their Friendship

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array

June Challenge 2020 Division 2

Chef and Price Control, Chef and String, Chef and Icecream, The Tom and Jerry Game!, Even Matrix, Covid Sampling (Challenge)

July Challenge 2020 Division 2

Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

October Challenge 2020 Division 2

Chef and Easy Queries, Covid Run, Replace for X, Positive AND, D-Dimensional MST

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall

December Challenge 2020 Division 2

Even Pair Sum, Vaccine Distribution, Vaccine Production, Positive Prefixes, String Operations, Hail XOR

Code Ensemble (Rated for Division 2)

Priya and AND, Help Martha

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Multiple Games, Maximise Function

Total Problems Solved: 116