Sumer Kumar

• Username: 3★sumer_kumar
• 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: 7

Current Ratings Graph Old Ratings Graph

1627 (+76)RatingProvisional
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Starters 39 Division 2 (Rated)(2022-05-18 23:00:02)

Global Rank:   596

Cheated in:   

Ratings System Update

(2022-05-18 23:00:02)

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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1627 (-205)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 39 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   596

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)

February Challenge 2021 Division 3

Maximise Function, Highest Divisor, Chef and Meetings

September Challenge 2021 Division 3 (Rated)

XOR Equal, Shuffling Parities, 2-D Point Meeting, Airline Restrictions, Travel Pass

CodeChef Starters 12 Division 3 (Rated)

Good Weather, Make it Divisible, Maximum Points

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

CodeChef Starters 14 Division 2 (Unrated)

Diagonal movement, FIXFIX, Odd GCD

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Merged LIS

Starters 39 Division 2 (Rated)

Compress the Video, Minimize Blocked Roads, Closest Vowels, Even Subarray XOR

Starters 40 Division 2 (Unrated)

Infinity Staircase, Or Permutation, Good Pairs

Total Problems Solved: 46