Kumar

• Username: 3★rroshan21
• Country:  India
• Student/Professional:Student
• Institution:M. S. Ramaiah Institute of Technology, Bengaluru bengaluru karnataka
• 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: 13

Current Ratings Graph Old Ratings Graph

1617 (-11)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2015(2015-10-12 15:00:00)

Global Rank:   3604

Cheated in:   

Ratings System Update

(2015-10-12 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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1617 (+52)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2015(2022-12-20 00:00:00)

Global Rank:   3604

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 (13)

November Cook-Off 2014

Brackets

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Painting, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

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

December Challenge 2014

XOR with Subset, Chef and Apple Trees

October Lunchtime 2014

Tanu and Head-bob

January Challenge 2015

Chef and A Large Permutation, One Dimensional Kingdoms, Sereja and Votes, Chef and Stones

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, Broken Telephone, Chef and Piano Scales

May Challenge 2015

Chef and new recipe

July Challenge 2015

Na2a and lucky stone, Chef and Cube

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

Total Problems Solved: 53