Ujwal Nitin Nayak

• Username: 4★un_coder
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Kharagpur West Bengal, 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: 15

Current Ratings Graph Old Ratings Graph

1973 (+28)RatingProvisional
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Starters 80 Division 2 (Rated)(2023-03-08 23:00:02)

Global Rank:   167

Cheated in:   

Ratings System Update

(2023-03-08 23:00:02)

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1945 (-37)RatingProvisional
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November Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   144

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 (15)

January Lunchtime 2021 Division 3 (Unrated)

Pair Me, Ashishgup and Interviews, Even Sum

February Challenge 2021 Division 3

Team Name, Chef and Meetings, Maximise Function, Highest Divisor

March Cook-Off 2021 Division 3

Pawri Meme, Weight Balance, Guess the Number

CodeChef Div 3 Rated Contest 2021 Division 3

Rectangle, Chef and Patients, Body Mass Index, Total Score

May Cook-Off 2021 Division 2

The Last Problem, Marathon

May Lunchtime 2021 Division 2

Tom And Jerry 1, K-Subarrays, Total Components, Charges

May Challenge 2021 Division 3 (Rated)

Valid Paths, Tree House, An Interesting Sequence, Xor Equality, Tic Tac Toe, Modular Equation, Golf, Solubility

June Challenge 2021 Division 2 (Unrated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

June Cook-Off 2021 Division 2

Binary String on Steroids, The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Richie Rich, Unpleasant Ones, Tic Tac Toe

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem

SnackDown 2021 - Online Round 1A

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

SnackDown 2021 - Online Pre-Elimination

Product Pain

FizzBuzz Division 2 (Rated)

Can You Eat It, Kingdom Attack, Can_Reach, Substring Minimum Function, Clean The Sequence, Magical Planks

November Lunchtime 2021 Division 2

Expected Weight, Strange Minimization, Rapid Re-Orderings

Starters 80 Division 2 (Rated)

Permutation Subsequence, c8kbf and Tree, Prefix Permutation, Equal Elements

Total Problems Solved: 154