Rahul Kumar

• Username: 4★rahul_ku
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Jamshedpur Jharkhand, 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: 14

Current Ratings Graph Old Ratings Graph

1935 (+8)RatingProvisional
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Starters 83 Division 2 (Rated)(2023-03-29 22:30:02)

Global Rank:   370

Cheated in:   

Ratings System Update

(2023-03-29 22:30:02)

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1927 (-213)RatingProvisional
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February Lunchtime 2022 Division 1(2022-12-20 00:00:00)

Global Rank:   140

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 (14)

January Challenge 2021 Division 3

Chef and Division 3, Fair Elections, Encoded String, Point Of Impact

February Challenge 2021 Division 3

Frog Sort, Highest Divisor, Maximise Function, Chef and Meetings

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index, Total Score

February CodeChef Starters 2021 Division 3 (Rated)

Maximum Value, College Life 2, Chef and Coupon

March CodeChef Starters 2021 Division 2 (Unrated)

Nobel Prize, Possible Victory

June Cook-Off 2021 Division 2

Binary String on Steroids, The Wave

July Challenge 2021 Division 2 (Unrated)

Chef vs Bharat, Optimal Denomination

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

September Cook-Off 2021 Division 2

Chef and Pairwise Distances, Zebra Crossing, Fake Swaps, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 12 Division 2 (Unrated)

Make it Divisible

CodeChef Starters 14 Division 2 (Unrated)

FIXFIX, Diagonal movement, Odd GCD

October Challenge 2021 Division 2 (Unrated)

Three Boxes

October Cook-Off 2021 Division 2

Can You Reach The End, Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

November Challenge 2021 Division 2 (Unrated)

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

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, String Game, Partition It, New Piece

February Lunchtime 2022 Division 1

Magnet Sort, Magical Modulo

CodeChef Starters 28 Division 1 (Unrated)

Travelling in the Graph

Starters 42 Division 1 (Unrated)

Minimum or Maximum

Starters 46 Division 1 (Unrated)

Prime Xor, Vowel Anxiety, Array sorting, Sort the String

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Total Problems Solved: 105