Rohan Singh

• Username: 1★rohan_8274
• Country:  India
• Student/Professional:Student
• Institution:Calcutta Institute of Engineering and Management
• 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: 30

Current Ratings Graph Old Ratings Graph

1195 (+46)RatingProvisional
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Starters 169 (Rated)(2025-01-15 22:00:06)

Global Rank:   3030

Cheated in:   

Ratings System Update

(2025-01-15 22:00:06)

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1424 (+18)RatingProvisional
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November Long 2022 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   2177

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 (30)

February Challenge 2021 Division 3

Highest Divisor

April Challenge 2021 Division 3

Valid Pair, Strong Language, World Record

May Challenge 2021 Division 3 (Rated)

Golf, Solubility

June Challenge 2021 Division 3 (Rated)

Summer Heat

July Challenge 2021 Division 3 (Rated)

Maximum Production, Relativity

August Challenge 2021 Division 3 (Rated)

Olympics Ranking

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Odd Repeat

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Travel Pass, Airline Restrictions

September Cook-Off 2021 Division 3

Cars and Bikes, Chef and Pairwise Distances, Zebra Crossing, Fake GCD, Adjacency Hatred

CodeChef Starters 11 Division 3 (Rated)

The Two Dishes, Obtain the Sum, Find the Direction

CodeChef Starters 12 Division 3 (Rated)

Make it Divisible, Good Weather

CodeChef Starters 13 Division 3 (Rated)

Chef in Vaccination Queue, The Preparations, Magical Doors

October Challenge 2021 Division 3 (Rated)

Three Boxes, Which Mixture

CodeChef Starters 16 Division 3 (Rated)

Professor And Directions, Chef And Salary Pay, Pass or Fail

November Challenge 2021 Division 3 (Rated)

Weird Palindrome Making, Which Fuel is Cheaper, Equal Coins

November Cook-Off 2021 Division 3

Disabled King, Odds and Evens

CodeChef Starters 17 Division 3 (Rated)

Chef on Vacation

CodeChef Starters 19 Division 3 (Rated)

Chef and Contest, Sleepy Chef, Indivisible Permutation, Distinct Elements

December Challenge 2021 Division 3 (Rated)

Utkarsh and Placement tests, Check Mate, Valleys and Hills, List of Lists

Starters 39 Division 2 (Rated)

Compress the Video

Starters 40 Division 3 (Unrated)

Difficulty Rating Order, Infinity Staircase, Take discount or Not

June Lunchtime 2022 Division 4 (Rated)

It is My Serve, Too many Floors, Determine the Score

July Lunchtime 2022 Division 4 (Rated)

Easy Pronunciation, Largest Family, True and False Paper, Yet Another Palindrome Making Problem, The Last Levels, Interior Design

Starters 49 Division 4 (Rated)

N Buttons 1 Bulb, Is it hot or cold, Maximise the Tastiness, Valid Minimum

Starters 58 Division 4 (Rated)

Remove Bad elements, Reach the Target, Break the elements, Ranklist Pages

Starters 60 Division 4 (Rated)

Expert Setter, Tax in Chefland, Paper Cutting, Palindrome Flipping, Card Removal

Starters 61 Division 4 (Rated)

Subarray Removal, Odd Sum Pair, Reach on Time, Weird Subarrays, Different Consecutive Characters , Minimise LCS

November Long 2022 Division 3 (Rated)

String Game

Starters 72 Division 3 (Rated)

Indivisible, Apples and oranges, N Triplets, No sequence

Starters 169 (Rated)

Hamming equivalent, Opposite Attract, Entry Check

Total Problems Solved: 103