Rohit Kumar

• Username: 4★dark99
• Country:  India
• Student/Professional:Other
• 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: 7

Current Ratings Graph Old Ratings Graph

1997 (+63)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2020 Division 1(2020-04-13 17:30:00)

Global Rank:   186

Cheated in:   

Ratings System Update

(2020-04-13 17:30:00)

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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1997 (-69)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   186

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 (7)

December Challenge 2018 Division 2

Max and Electrical Panel, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem, (Challenge) Delete DAG

October Challenge 2018 Division 2

Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles

January Challenge 2019 Division 1

Distinct Pairs, Different Neighbours

January Lunchtime 2019 Division 1

Distances, Rooks

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)

March Cook-Off 2020 Division 1

Mysterious Sequence

Total Problems Solved: 41