Robin Singh

• Username: 2★storm_warrior
• Country:  India
• Student/Professional:Student
• Institution:Lovely Professional University Phagwara, Punjab, 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: 32

Current Ratings Graph Old Ratings Graph

1555 (+22)RatingProvisional
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CodeChef Starters 11 Division 3 (Rated)(2021-09-15 23:00:04)

Global Rank:   1587

Cheated in:   

Ratings System Update

(2021-09-15 23:00:04)

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1555 (-41)RatingProvisional
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CodeChef Starters 11 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   1587

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 (32)

November Lunchtime 2019 Division 2

Pizza or Broccoli , Planting Trees

December Challenge 2019 Division 2

Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition, Plus Multiply

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 2

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

March Challenge 2020 Division 2

XOR Engine, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Ready Bitwise, Squared Subsequences, Unit GCD

May Challenge 2020 Division 2

Isolation Centers

January Cook-Off 2020 Division 2

Chef Chick

February Cook-Off 2020 Division 2

Tax Slabs

March Cook-Off 2020 Division 2

Find Your Gift

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

May Cook-Off 2020 Division 2

Chef and Recipe, Chef, Chefina and Their Friendship

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food, Under the Tunnels

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Recruit Villagers, Minion AND Range

June Challenge 2020 Division 2

Even Matrix, Chef and Price Control, Chef and String, The Tom and Jerry Game!, Chef and Icecream

July Challenge 2020 Division 2

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, Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 2

A Problem on Sticks, Coronavirus Spread 2, Ada Matrix

July Cook-Off 2020 Division 2

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 2

Chef and Steps

August Cook-Off 2020 Division 2

Polygon Relationship, Chef and Work, K-Foldable String

August Lunchtime 2020 Division 2

Game on a Strip

November Challenge 2020 Division 2

Ada and Dishes, Iron, Magnet and Wall, Restore Sequence

December Challenge 2020 Division 2

Even Pair Sum, Vaccine Production, Vaccine Distribution

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, No Time to Wait

July Challenge 2021 Division 3 (Rated)

XxOoRr, Relativity, Maximum Production

September Challenge 2021 Division 3 (Rated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

CodeChef Starters 11 Division 3 (Rated)

The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes

Total Problems Solved: 97