Rahul Rawal

• Username: 4★omega_square
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Roorkee Uttarakhand, 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: 16

Current Ratings Graph Old Ratings Graph

1963 (+60)RatingProvisional
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December Challenge 2020 Division 1(2020-12-14 15:00:00)

Global Rank:   39

Cheated in:   

Ratings System Update

(2020-12-14 15:00:00)

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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1963 (-183)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   39

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)

January Challenge 2019 Division 2

Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, (Challenge) Chef and Matching Game, A Pizza Slice, Yet Another Problem About Sequences

February Challenge 2019 Division 2

Deputy Chef, Art of Balance, (Challenge) Chef with Orchestra in the Kitchen, Appy and Contest, Chef and Magical Jars, Guess It Right, Manhattan Rectangle, Chef and Secret Ingredients

April Challenge 2019 Division 1

Playing with Numbers

May Challenge 2019 Division 2

Ada Rooks 2, Matches, Reduce to One, Where to Build the Roads

May Lunchtime 2019 Division 1 (Unrated)

Grid Tour

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Sum and GCD

July Challenge 2019 Division 1

Guess the Prime!, Circular Merging

August Challenge 2019 Division 2

Guddu and his Mother, Zombie and the Caves, Distribute Apples, Dilemma, Encoding, Football

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Doofish Matrix, English

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Ready Bitwise, Leaked Answers (Challenge)

April Cook-Off 2020 Division 1

Simple Operations

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

April Lunchtime 2020 Division 1

Another Birthday Present!

July Cook-Off 2020 Division 1

What Is This, a Crossover Episode, Even-tual Reduction, OR-thodox Distinction

December Challenge 2020 Division 1

Hail XOR, Square Root of LCA Convolution, Calculus, Linear Combination, String Operations, Positive Prefixes, Even Pair Sum

Total Problems Solved: 70