Tanu kumar

• Username: 3★master_coder2
• Country:  India
• Student/Professional:Student
• Institution:Army Institute of Technology Pune, Maharashtra, India
• 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: 19

Current Ratings Graph Old Ratings Graph

1736 (+88)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2020 Division 1(2020-08-17 15:00:00)

Global Rank:   220

Cheated in:   

Ratings System Update

(2020-08-17 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?

1736 (-289)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   220

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)

September Challenge 2017

Minimum Good Permutation, Little Chef and Sums, Chef and Pick Digit

October Challenge 2017

A Balanced Contest

January Challenge 2018

Rectangle

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

April Challenge 2018 Division 2

Workers

June Challenge 2018 Division 2

Naive Chef

September Challenge 2018 Division 2

Magician versus Chef, Bad Shuffle, Table Game, Chef and Adventures, War of XORs

December Challenge 2018 Division 2

Chef and Interactive Contests

November Challenge 2018 Division 2

Chef and Ridges, Appy Loves One, Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 2

Chef and Circles, Byte to Bit, Chef and Serves, Minimize Digitsum, Appy and Balloons , Chef and Surprise Chessboard

January Challenge 2019 Division 2

Yet Another Problem About Sequences, Distinct Pairs, Chef and Modulo Game, Fancy Quotes

February Challenge 2019 Division 2

Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef

March Challenge 2019 Division 2

Chef and Number Game, Chef and a Beautiful Digit, Yet Again a Subarray Problem, Chef got Recipes

April Challenge 2019 Division 2

Playing with Numbers, Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing

August Challenge 2020 Division 1

Insanely Hard School Exams, Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

Total Problems Solved: 78