Praveen Kumar

• Username: 2★dr_praveenss
• Country:  India
• Student/Professional:Professional
• Organisation:C-DOT, Delhi
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 19

Current Ratings Graph Old Ratings Graph

1558 (-14)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2016(2016-08-15 15:00:00)

Global Rank:   3125

Cheated in:   

Ratings System Update

(2016-08-15 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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1558 (+43)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   3125

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 (19)

March Challenge 2013

Approximately, Tourist Translations

September Cook-Off 2013

Strange Matrix, Code

November Challenge 2013

Superpowers of 2, Yet Another Cute Girl, Uncle Johny, Square Digit Squares, Missing some chairs

January Challenge 2014

Please like me, Chef and Feedback

February Challenge 2014

Longest Common Pattern

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Chef and Frogs, Reach The Point, Count Substrings, Garden Game

September Challenge 2014

Chef and Left-Right, Fun with Rotation

July Lunchtime 2014

And Operation

May Challenge 2015

Chef and Prime Divisors, Chef and new recipe

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

October Challenge 2015

Count Subarrays

February Challenge 2016

Chef-Detective

March Challenge 2016

Palindromic substrings

July Challenge 2016

Andrash and Stipendium

August Challenge 2016

Chef and Chocolate

Total Problems Solved: 67