Aditya Raj Singh

• Username: 2★adityarajsingh
• Country:  India
• Student/Professional:Student
• Institution:Birla Institute of Technology Mesra Ranchi, Jharkhand, 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: 24

Current Ratings Graph Old Ratings Graph

1538 (+28)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2020 Division 2(2020-09-26 23:00:02)

Global Rank:   1723

Cheated in:   

Ratings System Update

(2020-09-26 23:00:02)

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?

1538 (-104)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   1723

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 (24)

December Challenge 2018 Division 2

Chef and An Ideal Problem, Chef and Interactive Contests

January Challenge 2019 Division 2

Fancy Quotes

February Challenge 2019 Division 2

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

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

September Challenge 2019 Division 2

Easy Fibonacci

October Challenge 2019 Division 2

Operations on a Matrix, Phone Prices, Array Modification

October Mega Cook-Off 2019 Division 2

Cakewalk, Medel

October Lunchtime 2019 Division 2

Khaled in HIT, Counting Inversions Revisited

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

November Lunchtime 2019 Division 2

Planting Trees, Compress the List

December Cook-Off 2019 Division 2

Change It

March Challenge 2020 Division 2

XOR Engine, Pintu and Fruits, Ada Bishop 2

April Challenge 2020 Division 2

Sell All the Cars, COVID Pandemic and Long Queue

March Cook-Off 2020 Division 2

Find Your Gift, Box of Chocolates

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

April Lunchtime 2020 Division 2

Chef in Fantasy League

June Challenge 2020 Division 2

Chef and String, Chef and Price Control, Chef and Icecream, The Tom and Jerry Game!, Even Matrix

July Challenge 2020 Division 2

Ada King, Missing a Point, Chef and Card Game, Chef and Strings

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

September Cook-Off 2020 Division 2

Bowling Strategy

September Lunchtime 2020 Division 2

GCD operations, Watermelon

Total Problems Solved: 51