Yash Bafna

• Username: 4★bafnayash
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• 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

1905 (+9)RatingProvisional
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August Lunchtime 2020 Division 1(2020-08-29 22:30:00)

Global Rank:   292

Cheated in:   

Ratings System Update

(2020-08-29 22:30:00)

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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1905 (-102)RatingProvisional
Rating i Provisional Rating, click to know more

August Lunchtime 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   292

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)

October Challenge 2019 Division 2

Array Modification, Even Edges, Phone Prices

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 2

The Theatre Problem, Long Contest and Cook Off Overlaps, Hard Cash, School of Geometry, No Change Required

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

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

May Challenge 2020 Division 1

Triple Sort, Coronavirus Spread, Isolation Centers

March Cook-Off 2020 Division 2

Mysterious Sequence, Find Your Gift, Box of Chocolates

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits

April Lunchtime 2020 Division 2

Another Birthday Present!, Positive Mex, Chef in Fantasy League

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction, Path-etic Products

August Lunchtime 2020 Division 1

Game on a Strip, Alien Invasion

RECode 12.0 (Rated for all)

Chef and String, Chef and Rotation, Chef and Numbers

Total Problems Solved: 73