karthik selvakumar

• Username: 2★karthikselva
• Country:  India
• Student/Professional:Professional
• Organisation:Model N
• 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

1498 (-2)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2016(2016-07-13 15:00:00)

Global Rank:   3077

Cheated in:   

Ratings System Update

(2016-07-13 15:00:00)

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?

1498 (-3)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2016(2022-12-20 00:00:00)

Global Rank:   3077

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)

July Challenge 2014

Count Substrings

September Challenge 2014

Chef and Left-Right, Fun with Rotation

November Challenge 2014

Distinct Characters Subsequence

June Lunchtime 2014

The Smallest Pair

September Lunchtime 2014

Chef and easy problem

February Challenge 2015

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

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Broken Telephone

February Lunchtime 2015

Lucky Four

July Challenge 2016

Andrash and Stipendium

Total Problems Solved: 13