Purnanand dubey

• Username: 3★dubeypurnanand
• Country:  India
• Student/Professional:Other
• 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: 21

Current Ratings Graph Old Ratings Graph

1638 (-6)RatingProvisional
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CodeChef Starters 13 Division 2 (Rated)(2021-09-26 19:00:02)

Global Rank:   2039

Cheated in:   

Ratings System Update

(2021-09-26 19:00:02)

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1638 (-42)RatingProvisional
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CodeChef Starters 13 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2039

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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Contests (21)

June Challenge 2020 Division 2

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

July Challenge 2020 Division 2

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

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 2

Find XOR, Coronavirus Spread 2, Ada Matrix, Chef and Trump Cards, A Problem on Sticks, Chefina and Swap

July Cook-Off 2020 Division 2

Even-tual Reduction

August Cook-Off 2020 Division 2

Polygon Relationship, Chef and Work

August Lunchtime 2020 Division 2

Mode of Frequencies

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall

December Challenge 2020 Division 2

Vaccine Distribution, Vaccine Production, Even Pair Sum, Hail XOR, Positive Prefixes

December Lunchtime 2020 Division 2 (Unrated)

Three Letters, Sed Sequences, One Zero Swaps

November Cook-Off 2020 Division 2

Flip the String, Chef and IPC Certificates

October Lunchtime 2020 Division 2

AND Plus OR

September Lunchtime 2020 Division 2

GCD operations, Root the Tree, Watermelon

InfInITy 2k20 Division 2 (Rated)

The One Who Knocks!

May Lunchtime 2021 Division 3

Tom And Jerry 1, Hoop Jump, Charges, Birthday Gifts

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe, Modular Equation

August Cook-Off 2021 Division 2

Different String, Equal Difference, Clear the Array

August Lunchtime 2021 Division 2

K-th Maximum, Just a Graph

September Cook-Off 2021 Division 2

Zebra Crossing, Fake Swaps, Adjacency Hatred

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

Total Problems Solved: 80