Rajat Jain

• Username: 3★rajatjain101
• Country:  India
• Student/Professional:Other
• 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

1676 (+21)RatingProvisional
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January Challenge 2021 Division 3(2021-01-11 15:00:04)

Global Rank:   3080

Cheated in:   

Ratings System Update

(2021-01-11 15:00:04)

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1676 (+73)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2021 Division 3(2022-12-20 00:00:00)

Global Rank:   3080

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)

November Challenge 2019 Division 2

Weapon Value, Hard Sequence

December Lunchtime 2019 Division 2

Check Algorithm, Stupid Machine

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Breaking Bricks

February Challenge 2020 Division 2

No Change Required, The Theatre Problem, School of Geometry, Hard Cash

March Challenge 2020 Division 2

Lasers Everywhere Alternative, Pintu and Fruits, Ada Bishop 2, XOR Engine

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating

March Cook-Off 2020 Division 1

Mysterious Sequence

June Challenge 2020 Division 2

The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control, Even Matrix

July Challenge 2020 Division 2

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

September Challenge 2020 Division 2

A Problem on Sticks, Ada Matrix

June Lunchtime 2020 Division 2

Maximum AND, Chef and Demonetisation, Increasing Decreasing

December Challenge 2020 Division 2

Even Pair Sum, Vaccine Production, Vaccine Distribution

January Challenge 2021 Division 3

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

Total Problems Solved: 51