rohan kumar sinha

• Username: 2★rohan_30193
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

1489 (-46)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2019 Division 2(2019-05-13 15:03:00)

Global Rank:   6199

Cheated in:   

Ratings System Update

(2019-05-13 15:03:00)

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?

1489 (+160)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   6199

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)

None

Practice Paths (0)

None

Contests (25)

July Cook-Off 2014

Sum Queries

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Count Substrings, Reach The Point

August Challenge 2014

Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation

October Challenge 2014

Remy paints the fence, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Ground

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Chef and Apple Trees

October Lunchtime 2014

Tanu and Head-bob

January Challenge 2015

Sereja and Votes, Chef and Stones

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

March Challenge 2015

Chef and Notebooks, Sign Wave

April Challenge 2015

Count Sequences, Chef and Interview, Broken Telephone, Chef and Piano Scales

May Challenge 2015

Devu and binary String, Chef and new recipe, Set Difference , Chef and Prime Divisors

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

June Cook-Off 2015

Strange operations

February Lunchtime 2015

Lucky Four

August Challenge 2016

Chef and Chocolate

January Challenge 2017

Cats and Dogs

February Challenge 2017

Chef and His Apartment Dues

October Challenge 2017

A Balanced Contest

Total Problems Solved: 60