Robin Singh

• Username: 3★robs
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

1749 (-40)RatingProvisional
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February Lunchtime 2021 Division 2(2021-02-27 22:45:02)

Global Rank:   2018

Cheated in:   

Ratings System Update

(2021-02-27 22:45:02)

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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1749 (+134)RatingProvisional
Rating i Provisional Rating, click to know more

February Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   2018

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 (25)

February Challenge 2019 Division 2

Chef and Secret Ingredients, Chef and Magical Jars, Deputy Chef, Appy and Contest

February Lunchtime 2019 Division 2

Average Number, The Tricky Deal

March Challenge 2019 Division 2

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

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD

July Challenge 2019 Division 2

Guess the Prime!, Parity Again, Minimum and Maximum, Chef and Mean

July Cook-Off 2019 Division 2

Playing with Strings

August Challenge 2019 Division 2

Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves

September Challenge 2019 Division 2

Chef and Good Subsequences, Easy Fibonacci, Chef and Interesting Subsequences

October Challenge 2019 Division 2

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

November Challenge 2019 Division 2

Chef and Minimum Colouring, Weapon Value, Physical Exercise, Hard Sequence

November Cook-Off 2019 Division 2

The Biggest Restaurant, Signature, Chef Diet

November Lunchtime 2019 Division 1

Planting Trees, Washing Windows

December Challenge 2019 Division 1

Chefina and Ranges, Addition

International Coding League 2019 (Rated for Division 2)

FlatLand, Too Many Candies, A Weird Device

February Challenge 2020 Division 1

(Challenge) Raisins, Long Contest and Cook Off Overlaps, Hard Cash, The Theatre Problem, No Change Required, Chef and Railway Stations, School of Geometry

January Lunchtime 2020 Division 1

Under the Tunnels

August Challenge 2020 Division 1

Chef Wars - Return of the Jedi

July Cook-Off 2020 Division 1

Even-tual Reduction, OR-thodox Distinction

August Lunchtime 2020 Division 1

Game on a Strip

June Cook-Off 2020 Division 1

Per Capita Income

June Lunchtime 2020 Division 1

Maximum AND, Gold Mining, Square Submatrices

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates

September Lunchtime 2020 Division 1

Root the Tree

February Challenge 2021 Division 2

Frog Sort, Maximise Function

February Lunchtime 2021 Division 2

Coprime Range

Total Problems Solved: 161