Rahul Raj

• Username: 2★codersting007
• Country:  India
• Student/Professional:Student
• Institution:North Eastern Hill University Shillong
• 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: 16

Current Ratings Graph Old Ratings Graph

1472 (-4)RatingProvisional
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CodeChef Starters 15 Division 3 (Rated)(2021-10-12 23:15:04)

Global Rank:   2677

Cheated in:   

Ratings System Update

(2021-10-12 23:15:04)

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1472 (-74)RatingProvisional
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CodeChef Starters 15 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   2677

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)

July Challenge 2020 Division 2

Missing a Point, Chef and Card Game, Chef and Strings, Ada King

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess

September Challenge 2020 Division 2

A Problem on Sticks

July Lunchtime 2020 Division 2

Chef and Steps

June Lunchtime 2020 Division 2

Chef and Demonetisation

November Challenge 2020 Division 2

Ada and Dishes

December Challenge 2020 Division 2

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

November Cook-Off 2020 Division 2

Chef and IPC Certificates

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

January Challenge 2021 Division 3

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

April CodeChef Starters 2021 Division 3 (Rated)

Chef On Island, Hiring Test

August Challenge 2021 Division 3 (Rated)

Olympics Ranking, Problem Difficulties, Chef and Bulb Invention, Array Filling, Special Triplets

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, MEX-OR, Three Boxes, Which Mixture

Total Problems Solved: 69