Sandeep Khan

• Username: 2★sandeep_khan8
• Country:  India
• Student/Professional:Student
• Institution:Institute of Engineering and Management, Kolkata West Bengal, 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: 29

Current Ratings Graph Old Ratings Graph

1498 (-26)RatingProvisional
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August Challenge 2021 Division 3 (Rated)(2021-08-16 18:00:00)

Global Rank:   11940

Cheated in:   

Ratings System Update

(2021-08-16 18:00:00)

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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1498 (+21)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   11940

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 (29)

August Challenge 2015

Cooking Machine

September Challenge 2015

Count Steps in Matrix

October Challenge 2015

Count Subarrays

August Cook-Off 2015

Chef and the Wildcard Matching

October Challenge 2016

Chef and Keyboard

February Challenge 2017

Chef and His Apartment Dues

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

October Challenge 2017

Max Mex, A Balanced Contest

November Challenge 2017

Chef goes Left Right Left, Villages and Tribes

December Lunchtime 2017

Days in Month

January Challenge 2018

Rectangle

February Challenge 2018

Chef And His Characters

March Challenge 2018 DIV 2

Chef and Glove

April Challenge 2018 Division 2

Workers

June Challenge 2018 Division 2

Naive Chef

August Challenge 2018 Division 2

Spell Bob

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Adventures

November Challenge 2018 Division 2

Chef and Difficult Contests

October Challenge 2018 Division 2

Chef and Serves

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

May Challenge 2019 Division 2

Reduce to One

October Challenge 2019 Division 2

Array Modification, Operations on a Matrix, Phone Prices, Chef and Maximum Star Value

January Challenge 2020 Division 2

Chef and Dynamo, Breaking Bricks

April Challenge 2020 Division 2

Strange Number, Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Chef and Bitwise Product, Isolation Centers

June Challenge 2020 Division 2

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

July Challenge 2020 Division 2

Ada King, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

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

August Challenge 2021 Division 3 (Rated)

Problem Difficulties, Olympics Ranking

Total Problems Solved: 76