Rahul Kumar

• Username: 2★rkhalliday1
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Delhi 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

1577 (-4)RatingProvisional
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CodeChef Starters 13 Division 2 (Rated)(2021-09-26 19:00:02)

Global Rank:   2355

Cheated in:   

Ratings System Update

(2021-09-26 19:00:02)

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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1577 (-69)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 13 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   2355

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)

April Lunchtime 2021 Division 3

Equinox Strings, Coldplay, Chef in Heaven

April CodeChef Starters 2021 Division 3 (Rated)

Thief and Police, Chef On Island, Hiring Test

May Cook-Off 2021 Division 3

The Last Problem, Marathon

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1

May CodeChef Starters 2021 Division 3 (Rated)

Cheating Time, Plagiarism, Lazy Chef, Correct Sentence

May Challenge 2021 Division 3 (Rated)

Xor Equality, Solubility, Golf

June Challenge 2021 Division 2 (Unrated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

June Cook-Off 2021 Division 2

XOR Folding, ICPC Balloons, Chefland Visa, The Wave

June Lunchtime 2021 Division 2

False Number, Unpleasant Ones

June CodeChef Starters 2021 Division 2 (Unrated)

Total Correct Submissions, Cyclic Quadrilateral, Sleep Cycle, Chess Match

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality, Shoe Fit

July Lunchtime 2021 Division 2

Beautiful Pairs

CodeChef Starters 6 Division 2 (Unrated)

Joker and Batman, Even tuples, Three Dices, Cricket Ranking

CodeChef Starters 7 Division 2 (Unrated)

Food Chain, Chess Format, Maximum Array Xor, Ceiling Sum

August Cook-Off 2021 Division 2

Different String, Chef and Closure, Equal Difference

August Lunchtime 2021 Division 2

K-th Maximum

CodeChef Starters 9 Division 2 (Unrated)

Black cells in a chessboard, Large Square, Bus full of passengers

CodeChef Starters 10 Division 2 (Rated)

Maximise the Subsequence Sum, Remove One Element

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

Total Problems Solved: 93