sonu singh

• Username: 1★sonu007
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• 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: 38

Current Ratings Graph Old Ratings Graph

699 (+69)RatingProvisional
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June Challenge 2019 Division 2(2019-06-17 15:00:02)

Global Rank:   7012

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

How the rating system works?

699 (-334)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   7012

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 (38)

July Challenge 2016

Andrash and Stipendium

August Challenge 2016

Chef and Chocolate

October Challenge 2016

Chef and Three Dogs, Chef and Keyboard

December Challenge 2016

Train Partner

November Lunchtime 2016

Chef and his Students

February Challenge 2017

Eugene and big number, Chef and His Apartment Dues

January Lunchtime 2017

Nothing in Common

February Lunchtime 2017

Bear and Milky Cookies

June Challenge 2017

A Good Set, Xenny and Coin Rankings

July Challenge 2017

Chef and Sign Sequences, Whats in the Name

August Long Challenge 2017

Chef and Mover, Palindromic Game

September Challenge 2017

Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Max Mex, A Balanced Contest

November Challenge 2017

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

October Cook-Off 2017

Chef and Employment Test

August Lunchtime 2017

Mathison and pangrams

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

Chef And His Characters

March Challenge 2018 DIV 2

Chef and Glove

July Cook-Off 2018 Division 2

Encoding Message

September Mega Cook-Off 2018 Division 2

OneTwo

April Challenge 2018 Division 2

Workers

May Challenge 2018 Division 2

Mighty Friend, Dibs on Fibs, Xor Again, Minimum Deletions

October Challenge 2018 Division 2

Chef and Serves

February Challenge 2019 Division 2

Chef and Secret Ingredients, Appy and Contest

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

May Lunchtime 2019 Division 2 (Unrated)

CV

June Challenge 2019 Division 2

Chef and Proxy

Total Problems Solved: 59