Chandan Kumar

• Username: 2★ckumar47
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, 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: 14

Current Ratings Graph Old Ratings Graph

1569 (+29)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2019 Division 2(2019-05-13 15:03:00)

Global Rank:   1479

Cheated in:   

Ratings System Update

(2019-05-13 15:03:00)

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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1569 (+24)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   1479

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 (14)

September Challenge 2014

Chef and Left-Right

October Challenge 2014

Chef and Ground

November Challenge 2014

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

December Challenge 2014

Chef and Apple Trees

January Challenge 2015

Chef and Stones, Sereja and Votes, Gcd Queries

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Let us play with rank list, Chef and Equality

April Challenge 2015

Chef and Interview, Chef and Piano Scales, Broken Telephone

May Challenge 2015

Chef and new recipe

August Challenge 2015

Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Count Steps in Matrix

November Challenge 2015

Chef and cakes

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again

November Challenge 2018 Division 2

Chef and Difficult Contests

May Challenge 2019 Division 2

Matches, Reduce to One

Total Problems Solved: 49