aman sinha

• Username: 2★aj_09
• 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: 21

Current Ratings Graph Old Ratings Graph

1516 (+7)RatingProvisional
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October Challenge 2018 Division 2(2018-10-20 15:00:03)

Global Rank:   3255

Cheated in:   

Ratings System Update

(2018-10-20 15:00:03)

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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1516 (+2)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   3255

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 (21)

October Challenge 2016

Chef and Three Dogs, Chef and Keyboard

December Challenge 2016

Train Partner

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings

September Challenge 2017

Little Chef and Sums

October Challenge 2017

Max Mex, A Balanced Contest

November Challenge 2017

Villages and Tribes

June Cook-Off 2017

Ada and crayons

December Lunchtime 2017

Days in Month

January Challenge 2018

Rectangle, Maximum Score

January Lunchtime 2018

Chef and Game with Sequence

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove

May Cook-off 2018 Division 2

Secret Recipe

September Mega Cook-Off 2018 Division 2

ATM Machine, Make a Permutation

May Lunchtime 2018 Division 2

Trace of Matrix

April Challenge 2018 Division 2

Weight of Numbers, Workers, Average of Pairs

May Challenge 2018 Division 2

Xor Again

June Challenge 2018 Division 2

Naive Chef

September Challenge 2018 Division 2

Magician versus Chef, Bad Shuffle

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

Total Problems Solved: 80