reDBull

• Username: 4★mayank_kumar28
• Country:  India
• Student/Professional:Professional
• Organisation:Qualcomm
• 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: 34

Current Ratings Graph Old Ratings Graph

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March Challenge 2018 DIV 1(2018-03-12 15:00:00)

Global Rank:   474

Cheated in:   

Ratings System Update

(2018-03-12 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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1858 (-94)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2018 DIV 1(2022-12-20 00:00:00)

Global Rank:   474

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 (34)

September Challenge 2012

Chef World, Racing Horses, Three is Crowd, Kisses & Hugs

October Challenge 2012

Little Elephant and Order, Fierce Battles, The New Scheme

September Cook-Off 2012

Recipe Reconstruction, Carvans

November Challenge 2012

Coin Flip, Sridhar Likes Travelling

November Cook-Off 2012

Little Elephant and Permutations

January Challenge 2013

The Minimum Number Of Moves, Chef of the Year, Three Different Numbers

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs

February Cook-Off 2013

Lack of Logic, Row and Column Operations

March Challenge 2013

Fire Escape Routes, Minesweeper, Approximately, Random decreasing function, Tourist Translations

May Challenge 2013

Name Reduction, Your Name is Mine

July Challenge 2013

Chef and Walking on the rectangle , Count K-Primes

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Splitting Candies

January Cook-off 2014

Chef and the Cake I

March Cook-Off 2014

Dividing Stamps

March Challenge 2014

Walk, Little Chef and Numbers

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Stone, Compilers and Parsers, Chef-jumping

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Chef and Frogs, Count Substrings, Reach The Point, Dish Owner

August Challenge 2014

Chef and Gift

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions

November Challenge 2014

Distinct Characters Subsequence, Let us construct palindrome

December Challenge 2014

Chef and Apple Trees

July Challenge 2015

Bread, MasterChef, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Chef and insomnia, Aditi and Magic Trick, Cooking Machine, Gravity Guy, Social Cluster, Way Out, Devu And Churu

September Challenge 2015

Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Cracking the Code

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire

August Cook-Off 2015

Chef and the Wildcard Matching, Chef and the XORed Number

February Challenge 2018

Broken Clock, Lucas Theorem, Chef And His Characters, Chef And The Patents, Points Inside A Polygon, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Mix the Colors, Minions and Voting

Total Problems Solved: 113