Vaibhav Nandan

• Username: 5★vaibhavnandan
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Guwahati Assam
• 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

2092 (+27)RatingProvisional
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Starters 83 Division 1 (Rated)(2023-03-29 22:30:00)

Global Rank:   85

Cheated in:   

Ratings System Update

(2023-03-29 22:30:00)

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2065 (-135)RatingProvisional
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June Cook-Off 2022 Division 1 (Rated)(2022-12-20 00:00:00)

Global Rank:   140

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

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Learning Paths (0)

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Practice Paths (0)

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Contests (21)

March Challenge 2020 Division 2

Pintu and Fruits, Ada Bishop 2

April Challenge 2020 Division 2

Squared Subsequences, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue, Strange Number

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests, Simple Operations

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

April Lunchtime 2020 Division 2

Another Birthday Present!, Positive Mex, Chef in Fantasy League

May Lunchtime 2020 Division 1

Convert the String

June Challenge 2020 Division 1

The Tom and Jerry Game!, Operations on a Tuple

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

RECode 12.0 (Rated for all)

Chef and String, Chef and Walk, Chef and Numbers

December Challenge 2020 Division 1

Hail XOR

October Lunchtime 2020 Division 1

Chef Is Just Throwing Random Words

May CodeChef Starters 2021 Division 3 (Rated)

Correct Sentence, Lazy Chef, Subtree Center, Minimum Popping, Cheating Time, Plagiarism

June Cook-Off 2021 Division 2

Too Much Xor, Binary String on Steroids, The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

August Cook-Off 2021 Division 2

Odd Array, Different String, Chef and Closure, Equal Difference, Clear the Array

September Cook-Off 2021 Division 1

Chef and Pairwise Distances, Fake Swaps, Half Sequence

January Cook-Off 2022 Division 1

Subsegment Divisibility , Merged LIS, Prime Graph, Erase All But One

January Lunchtime 2022 Division 1

Permutation XOR Sum

June Cook-Off 2022 Division 1 (Rated)

Throw and Take, Simple XOR, Split AND Sum

Starters 83 Division 1 (Rated)

Construct String, Order by XOR, Rotate to Minimum

Total Problems Solved: 69