RIDHAM SHAH

• Username: 3★ridhamshah
• Country:  India
• Student/Professional:Student
• Institution:School of Engineering and Applied Science (SEAS), Ahmedabad University Gujarat, 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: 25

Current Ratings Graph Old Ratings Graph

1729 (-44)RatingProvisional
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February Challenge 2021 Division 2(2021-02-15 15:00:02)

Global Rank:   4334

Cheated in:   

Ratings System Update

(2021-02-15 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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1729 (+133)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   4334

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 Challenge 2018 Division 2

Chef and An Ideal Problem, Chef and Interactive Contests

February Challenge 2019 Division 2

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

March Challenge 2019 Division 2

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

March Lunchtime 2019 Division 2

Testing Robot, Pogo Stick Competition

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

May Challenge 2019 Division 2

Reduce to One

May Cook-Off 2019 Division 2

Chain Reaction, Recover the Sequence

June Cook-Off 2019 Division 2

Multiple Choice Exam, Eat Twice

June Lunchtime 2019 Division 2

Ping Paja Pong, Magda and Silly Pairs

July Challenge 2019 Division 2

Chef and Mean

July Cook-Off 2019 Division 2

Playing with Strings

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples, Zombie and the Caves

August Cook-Off 2019 Division 2

Chef and Pepperoni Pizza, Chef Drinks Coke

August Lunchtime 2019 Division 2

Eidi Gift

September Challenge 2019 Division 2

Easy Fibonacci, Chef Designed a Network, Chef and Interesting Subsequences

October Challenge 2019 Division 2

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

November Challenge 2019 Division 1

Physical Exercise

December Challenge 2019 Division 2

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

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm

January Challenge 2020 Division 2

(Challenge) Building Anthills, Breaking Bricks, Chefina and Prefix Suffix Sums, Doofish Matrix, Doraemon, Chef and Dynamo, Equality

February Challenge 2020 Division 1

No Change Required, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps

November Challenge 2020 Division 1

Restore Sequence

January Challenge 2021 Division 2

Fair Elections

December Challenge 2020 Division 2

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

January Lunchtime 2021 Division 2 (Unrated)

Binary Subsequence, Even Differences, Even Sum

February Challenge 2021 Division 2

Frog Sort, Maximise Function

Total Problems Solved: 77