Prakhar Bhatnagar

• Username: 3★altum_pax
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information 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: 13

Current Ratings Graph Old Ratings Graph

1608 (+38)RatingProvisional
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Starters 82 Division 3 (Rated)(2023-03-22 23:00:04)

Global Rank:   666

Cheated in:   

Ratings System Update

(2023-03-22 23:00:04)

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1506 (-258)RatingProvisional
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December Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   627

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 (13)

December Challenge 2020 Division 2

Vaccine Production, Even Pair Sum

December Cook-Off 2020 Division 2

Minimum Attendance Requirement

UWCOI 2021 (Rated for all)

Hidden Numbers

January Challenge 2021 Division 3

Chef and Division 3, Encoded String

January Cook-Off 2021 Division 3

Distinct Pair Sums

February Challenge 2021 Division 3

Frog Sort, Chef and Meetings, Maximise Function, Highest Divisor

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index, Total Score

March Challenge 2021 Division 3

Chef and Groups, No Time to Wait, Interesting XOR!

April Challenge 2021 Division 3

Worthy Matrix, Chef and Dice, Valid Pair, World Record, Strong Language

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe, Modular Equation

CodeChef Starters 7 Division 2 (Unrated)

Chess Format

August Challenge 2021 Division 2 (Unrated)

Olympics Ranking, Chef and Bulb Invention, Special Triplets, Problem Difficulties

CodeChef Starters 9 Division 2 (Unrated)

Black cells in a chessboard, Large Square

September Challenge 2021 Division 2 (Unrated)

Shuffling Parities, Airline Restrictions, Travel Pass

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 20 Division 2 (Unrated)

Stable Sequence

December Cook-Off 2021 Division 2

Median Minimization, Destructive Nim, Musical Chairs

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

CodeChef Starters 23 Division 2 (Unrated)

Average of Three, Subarray Mex

May Long One 2022 Division 2 (Unrated)

The Attack of Queen

Starters 76 Division 3 (Rated)

Redistributing Chocolates, Make Array Odd, Zero String, Construct Array, 400M Race, Not Divisible

Starters 82 Division 3 (Rated)

Make A-B Same, Reach Home, MIN To MAX

Total Problems Solved: 146