rounak raj

• Username: 3★rounakraj401
• 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: 36

Current Ratings Graph Old Ratings Graph

1660 (+35)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 42 Division 2 (Rated)(2022-06-08 23:00:02)

Global Rank:   546

Cheated in:   

Ratings System Update

(2022-06-08 23:00:02)

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?

1660 (-259)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 42 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   546

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 (36)

July Cook-Off 2021 Division 3

Shoe Fit

August Challenge 2021 Division 3 (Rated)

Problem Difficulties, Olympics Ranking

CodeChef Starters 8 Division 3 (Rated)

Penalty Shots

CodeChef Starters 9 Division 3 (Rated)

Large Square, Black cells in a chessboard

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum

AlgoManiac - Code For Future Division 3 (Rated)

Say No To Drugs, The Old Saint And Three Questions

September Challenge 2021 Division 3 (Rated)

Airline Restrictions, Travel Pass, Shuffling Parities

September Cook-Off 2021 Division 3

Cars and Bikes, Fake GCD

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 11 Division 3 (Rated)

Find the Direction, Obtain the Sum, The Two Dishes

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

CodeChef Starters 14 Division 3 (Rated)

Diagonal movement, RCB and Playoffs

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, Three Boxes, Which Mixture

September Lunchtime 2021 Division 3

Balanced and Unique Arrays, Yet another SOD problem, Vaccine Dates , Two Dishes

CodeChef Starters 16 Division 3 (Rated)

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

October Lunchtime 2021 Division 3

Alternating Work Days, Exactly N plus 1 Values, Problem Category

SnackDown 2021 - Online Round 1A

Min Max LCM, Round Robin Ranks , Dance Moves

SnackDown 2021 - Online Round 1B

Largest Laddu, Queens Placement

November Challenge 2021 Division 3 (Rated)

Weird Palindrome Making, Equal Coins, Which Fuel is Cheaper

CodeChef Starters 17 Division 3 (Rated)

Chef on Vacation, New Piece

CodeChef Starters 19 Division 3 (Rated)

Chef and Contest, Sleepy Chef, Indivisible Permutation

CodeChef Starters 20 Division 2 (Unrated)

Stable Sequence

November Lunchtime 2021 Division 3

Minimum Number of Pizzas, Chef and Stock Prices

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

December Lunchtime 2021 Division 2

Maximum Trio, Romantic Reversals

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, And Or Union

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Yet Another Constructive Problem

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum

Starters 39 Division 2 (Rated)

Compress the Video, Even Subarray XOR, Closest Vowels

Starters 41 Division 2 (Rated)

Equal Integers, Is this priority or parity!, Path Parity

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick

Starters 42 Division 2 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3

Total Problems Solved: 120