Robin

• Username: 4★rob_in_1
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• 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: 25

Current Ratings Graph Old Ratings Graph

1802 (-28)RatingProvisional
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January Challenge 2020 Division 1(2020-01-13 15:00:00)

Global Rank:   793

Cheated in:   

Ratings System Update

(2020-01-13 15:00:00)

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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1802 (+2)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   793

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)

December Cook-Off 2017

Football Match

December Lunchtime 2017

Days in Month

January Challenge 2018

Maximum Score, Rectangle, String Merging, Partition the numbers, K-Concatenation

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 2

Chef and Glove, Minion Chef and Bananas, Mix the Colors, A Big Sale, Chef and Easy Problem

March Cook-off 2018 Division 2

Chef Goes to the Cinema, Chef Restores a Matrix, Chef Judges a Competition

May Cook-off 2018 Division 2

Best Cake Ever, Secret Recipe

June Cook-Off 2018 Division 2

Archi and Comparsion, Good Permutations

May Lunchtime 2018 Division 2

Trace of Matrix

April Challenge 2018 Division 2

Average of Pairs, Workers

June Challenge 2018 Division 2

Naive Chef, Sheokand and String

July Challenge 2018 Division 1

Reach Equilibrium, No Minimum No Maximum

August Challenge 2018 Division 1

Modular GCD

November Challenge 2018 Division 1

Appy Loves One, Chef, Primes and Trees (Challenge)

August Lunchtime 2018 Division 1

Chef and Eid

September Lunchtime 2018 Division 1

Opposite Cites, Chef Restaurant

January Challenge 2019 Division 1

Distinct Pairs, A Pizza Slice

January Lunchtime 2019 Division 1

Rooks

February Challenge 2019 Division 2

Chef and Magical Jars, Deputy Chef, Art of Balance, Appy and Contest, Chef and Secret Ingredients, Guess It Right, Manhattan Rectangle

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

May Cook-Off 2019 Division 2

Chain Reaction, Misha and Nice Sets, Recover the Sequence

June Cook-Off 2019 Division 1

Ants and Anteaters, Drink Slush

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon

Total Problems Solved: 94