ujjwal singh

• Username: 3★dux_07
• Country:  India
• Student/Professional:Student
• Institution:Institute of Engineering and Technology, Agra
• 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: 16

Current Ratings Graph Old Ratings Graph

1653 (+53)RatingProvisional
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Starters 80 Division 3 (Rated)(2023-03-08 23:00:04)

Global Rank:   129

Cheated in:   

Ratings System Update

(2023-03-08 23:00:04)

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1508 (-104)RatingProvisional
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Starters 64 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   717

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 (16)

February Lunchtime 2021 Division 3

Smallest Possible Whole Number

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index

March Challenge 2021 Division 3

No Time to Wait, Chef and Groups

March CodeChef Starters 2021 Division 3 (Rated)

Possible Victory

April Challenge 2021 Division 3

Valid Pair, World Record

April Cook-Off 2021 Division 3

Passing Marks

April CodeChef Starters 2021 Division 3 (Rated)

Chef On Island, Hiring Test

May CodeChef Starters 2021 Division 3 (Rated)

Plagiarism, Lazy Chef, Correct Sentence

May Challenge 2021 Division 3 (Rated)

Xor Equality, Solubility, Golf, Modular Equation, Tic Tac Toe

June Challenge 2021 Division 3 (Rated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1A

Min Max LCM, Equal Beauty, Round Robin Ranks , Yet Another Flipping Problem, Dance Moves

July Long Two 2022 Division 2 (Unrated)

Maximize Difference, Concat Sort, To Divide or Not To Divide, Sum of Product 1

September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)

Stick Break, Permutation Creation

Starters 64 Division 2 (Rated)

Range Assign, Number of Distinct Elements Minimize, Prime Factor Division

Starters 70 Division 3 (Rated)

Prime Reversal, Frequency Array Retrieval, Minimum distance between 1s, Cost of Groceries

Starters 71 Division 3 (Rated)

Pet Store, Flip the Prefix, Snapchat, Perfect Trio, Maximizing LCS

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Permutation and Modulus

Starters 80 Division 3 (Rated)

Permutation Subsequence, Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements

Total Problems Solved: 146