Sk abdur rahaman

• Username: 3★skabdurrahaman
• Country:  India
• Student/Professional:Student
• Institution:Jalpaiguri Government Engineering College 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: 15

Current Ratings Graph Old Ratings Graph

1753 (+76)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2020 Division 1(2020-10-12 15:00:00)

Global Rank:   98

Cheated in:   

Ratings System Update

(2020-10-12 15:00:00)

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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1753 (-351)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   98

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 (15)

August Challenge 2019 Division 2

Football, Distribute Apples, Zombie and the Caves, Dilemma

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

October Challenge 2019 Division 2

Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

October Mega Cook-Off 2019 Division 2

Cakewalk, Medel

November Challenge 2019 Division 2

Weapon Value, Hard Sequence, Physical Exercise

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Triple Sort, Isolation Centers, Coronavirus Spread

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

September Challenge 2020 Division 1

Chefina and Swap, Ada Matrix, Divide Candies, Find XOR, Chef and Trump Cards

October Challenge 2020 Division 1

Inversions, Positive AND, Replace for X, D-Dimensional MST, Adding Squares

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

Total Problems Solved: 111