Mervin

• Username: 3★grand_zeno
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Madras
• 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

1710 (+56)RatingProvisional
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April Challenge 2019 Division 1(2019-04-15 15:00:00)

Global Rank:   141

Cheated in:   

Ratings System Update

(2019-04-15 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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1710 (-260)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   141

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?

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Contests (13)

February Challenge 2018

Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome, Chef And His Characters

March Challenge 2018 DIV 2

Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

March Cook-off 2018 Division 2

Chef Judges a Competition, Chef Restores a Matrix, Chef Goes to the Cinema

October Mega Cook-Off 2018 Division 1

Binary Nim 2, Pumping Water

April Challenge 2018 Division 2

Cutting Plants, Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 1

Dibs on Fibs

June Challenge 2018 Division 2

Vision, Naive Chef, Sheokand and String, Binary Shuffle

July Challenge 2018 Division 1

Reach Equilibrium, No Minimum No Maximum, Gears

August Challenge 2018 Division 1

Modular GCD

September Challenge 2018 Division 1

Table Game, Bad Shuffle

October Challenge 2018 Division 1

Chef and Surprise Chessboard, Minimize Digitsum, Appy and Balloons

March Challenge 2019 Division 2

Chef and Soccer, Chef got Recipes, Cheating on Queue, Chef and Number Game, Yet Again a Subarray Problem, Chef and a Beautiful Digit

April Challenge 2019 Division 1

Offer for Chef, Kira Loves Palindromes, Playing with Numbers, Subtree Removal

Total Problems Solved: 51