Rohit Rana

• Username: 4★ks3rr
• Country:  India
• Student/Professional:Student
• Institution:JSS Academy of Technical Education, Noida India
• 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: 14

Current Ratings Graph Old Ratings Graph

1864 (+72)RatingProvisional
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April Challenge 2021 Division 1(2021-04-12 15:00:00)

Global Rank:   57

Cheated in:   

Ratings System Update

(2021-04-12 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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1864 (-282)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   57

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 (14)

May Lunchtime 2019 Division 2 (Unrated)

CV

June Challenge 2019 Division 2

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

July Challenge 2019 Division 2

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

July Cook-Off 2019 Division 2

Playing with Strings

August Challenge 2019 Division 2

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

September Challenge 2019 Division 2

Chef and Good Subsequences, Easy Fibonacci, Biladerim Icin, Chef Designed a Network, Chef and Interesting Subsequences

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification

November Challenge 2019 Division 1

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure

January Challenge 2020 Division 1

English, (Challenge) Building Anthills, Chefland Army, Doofish Matrix, Chefina and Prefix Suffix Sums, Chef and Dynamo, Doraemon

February Challenge 2020 Division 1

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

March Challenge 2020 Division 1

Chef and DAG, Lasers Everywhere, Lasers Everywhere Alternative

April Challenge 2020 Division 1

Leaked Answers (Challenge), Factor Tree, Ready Bitwise, Squared Subsequences, Strange Number, Perfect Power Divisors

Biteration #2 (Rated for Division 2)

A - Books

June Challenge 2020 Division 1

The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Covid Sampling (Challenge)

September Challenge 2020 Division 1

Chefina and Swap, Ada Matrix, Find XOR, Chef and Trump Cards

April Challenge 2021 Division 1

Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Boolean Game

Total Problems Solved: 454