Mayank Raj

• Username: 4★donraj
• Country:  India
• Student/Professional:Professional
• Organisation:Facebook
• 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: 15

Current Ratings Graph Old Ratings Graph

1814 (+18)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2016(2016-09-15 15:00:00)

Global Rank:   1471

Cheated in:   

Ratings System Update

(2016-09-15 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

1814 (+101)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1471

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)

None

Practice Paths (0)

None

Contests (15)

January Challenge 2013

The Minimum Number Of Moves, End Of The World, A Fence for Byteland, Chef of the Year, Three Different Numbers, Little Elephant and Alcohol

March Challenge 2013

Tourist Translations, Approximately, Fire Escape Routes

August Cook-Off 2013

Chef and The Right Triangles

September Challenge 2013

Project Spoon, Sereja and Snake, CAO Stage-2, CAO Stage-1, Chef and Integers , Cool Guys, Little Elephant and Exams

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

December Challenge 2013

Reign, Rectangular Queries, Magic Pairs, Chef and Codes, Cube Cakes, Funny Marbles

April Challenge 2014

Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Chef-jumping

August Challenge 2014

Chef and Gift, Cleaning Tables, The Leaking Robot, Little Elephant and T-Shirts, Mountain Holidays 2, Chef and Reversing

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

January Challenge 2015

Chef and Stones

June Challenge 2016

Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

September Challenge 2016

Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation

Total Problems Solved: 92