choudhary sachin

• Username: 3★sachin_26049
• Country:  India
• Student/Professional:Student
• Institution:K. J. Somaiya College of Engineering Vidyanagar, Vidyavihar, Mumbai Vidyavihar, Mumbai
• 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: 30

Current Ratings Graph Old Ratings Graph

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June Challenge 2019 Division 2(2019-06-17 15:00:02)

Global Rank:   3842

Cheated in:   

Ratings System Update

(2019-06-17 15:00:02)

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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1611 (+105)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   3842

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 (30)

February Challenge 2016

Chef-Detective

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Dividing Machine, Chef and digits of a number, Faded Palindromes, Chef and calculation, Chef and Friends

October Challenge 2016

Chef and Keyboard, Chef and Three Dogs

December Challenge 2016

Train Partner, Our Base is Under Attack

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

July Lunchtime 2016

Drumpf for President!

September Lunchtime 2016

Chef and Inequality

October Lunchtime 2016

The Largest Bouquet

November Lunchtime 2016

Chef and his Students

January Challenge 2017

Cats and Dogs, Reservior

February Challenge 2017

Chef and Triangles, Chef and His Apartment Dues, Gerrymander

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

February Cook-Off 2017

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February Lunchtime 2017

Bear and Milky Cookies

April Challenge 2017

Similar Dishes, Bear and Row 01, Dish Of Life

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Pairwise union of sets

July Challenge 2017

Chef and Sign Sequences, Whats in the Name

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Max Mex, A Balanced Contest

November Challenge 2017

Periodic Palindrome Construction, Villages and Tribes, Chef goes Left Right Left

December Challenge 2017

Chef And his Cake

March Lunchtime 2017

Bear and Ladder

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

January Challenge 2018

Rectangle

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove

June Challenge 2018 Division 2

Naive Chef

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date

Total Problems Solved: 80