Karthik K

• Username: 4★kay_kay
• Country:  India
• Student/Professional:Student
• Institution:Velammal Engineering College Chennai, Tamil Nadu
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 26

Current Ratings Graph Old Ratings Graph

1855 (-24)RatingProvisional
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November Cook-Off 2016(2016-11-21 00:00:00)

Global Rank:   336

Cheated in:   

Ratings System Update

(2016-11-21 00:00:00)

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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1855 (+41)RatingProvisional
Rating i Provisional Rating, click to know more

November Cook-Off 2016(2022-12-20 00:00:00)

Global Rank:   336

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 (26)

November Challenge 2014

Distinct Characters Subsequence

December Challenge 2014

Kali and Devtas, Chef and Apple Trees

January Challenge 2015

Chef and Stones

February Challenge 2015

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

March Challenge 2015

Chef and Notebooks

August Challenge 2015

Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Rupsa and Equilateral Triangle, Spheres, Count Subarrays, Time measure, Who dares to be a millionaire

November Challenge 2015

Eugene and function, Simple Sum, Chef and cakes

December Challenge 2015

Chef and Filters, Oracle Devu and Longest Common Subsequence, Plane Division, Chef and the stones

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting

December Cook-Off 2015

Chef and Subarrays

August Lunchtime 2015

Minimum Maximum

January Long Challenge 2016

Rupsa and the Game, Devu and Perfume, Churu and Balls, Chef and Time Machine

February Challenge 2016

Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective

March Challenge 2016

Palindromic substrings, Chef and Number Guessing, maximize the sum, Chef And Special Dishes

May Challenge 2016

Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

August Challenge 2016

Chef and Chocolate, Chef and Round Run

October Challenge 2016

Sereja and Progressions, Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Chef and Two String

November Challenge 2016

Count Permutations, Gift and Chef, Chef and squares, Task for Alexey

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

November Cook-Off 2016

Sebi and the highway

Total Problems Solved: 103