Devendra Singh

• Username: 2★devudon
• Country:  India
• Student/Professional:Student
• Institution:Graphic Era University Dehradun, Uttarakhand, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 11

Current Ratings Graph Old Ratings Graph

1575 (+32)RatingProvisional
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Starters 132 Division 3 (Rated)(2024-05-01 22:00:04)

Global Rank:   579

Cheated in:   

Ratings System Update

(2024-05-01 22:00:04)

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1543 (-82)RatingProvisional
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CodeChef Starters 31 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   3043

Cheated in:   Plagiarised in START31B

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

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Learning Paths (0)

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Contests (11)

March Challenge 2021 Division 3

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

March Lunchtime 2021 Division 3

Turn It, Dinner by Candlelight, Motivation, Make the Sum Even, Lunchtime

March CodeChef Starters 2021 Division 2 (Unrated)

Nobel Prize, Possible Victory

May Cook-Off 2021 Division 2

The Last Problem, Chef and Subarrays

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1, Total Components

May CodeChef Starters 2021 Division 2 (Unrated)

Plagiarism, Correct Sentence, Lazy Chef

May Challenge 2021 Division 2 (Rated)

Tree House, An Interesting Sequence, Xor Equality, Tic Tac Toe, Modular Equation

August Cook-Off 2021 Division 2

Different String, Chef and Closure, Equal Difference

August Lunchtime 2021 Division 2

Just a Graph, Crossing Blocks, K-th Maximum

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, The Grid Fill Problem, Obtain the Sum

CodeChef Starters 14 Division 2 (Unrated)

Odd GCD, Diagonal movement, FIXFIX

October Challenge 2021 Division 2 (Unrated)

Digit Removal, MEX-OR, Longest AND Subarray

CodeChef Starters 16 Division 2 (Unrated)

Professor And Directions, Chef and Magical Steps

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

November Challenge 2021 Division 2 (Unrated)

Xor Equation, Maximise the bridges, Equal Coins, Hill Sequence, Weird Palindrome Making

CodeChef Starters 31 Division 2 (Rated)

XOR and AND, Alternating String, Sign Moves, Mexy Array, The Unchanging OR

CodeChef Starters 32 Division 1 (Unrated)

Finding Shoes

Starters 132 Division 3 (Rated)

ALIEN-OR, Change Please, GAME 11

Total Problems Solved: 130