Rohit Kumar

• Username: 3★code_genesis55
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Jamshedpur Jharkhand, 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: 32

Current Ratings Graph Old Ratings Graph

1609 (+39)RatingProvisional
Rating i Provisional Rating, click to know more

February Cook-Off 2023 Division 3 (Rated)(2023-02-08 22:30:04)

Global Rank:   499

Cheated in:   

Ratings System Update

(2023-02-08 22:30:04)

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?

1409 (-3)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 69 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1660

Cheated in:   Plagiarised in START69B

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 (32)

June Challenge 2020 Division 2

Chef and Icecream, The Tom and Jerry Game!, Chef and Price Control, Chef and String

August Challenge 2020 Division 2

Another Card Game Problem, Chef and Wedding Arrangements, Smallest KMP

July Cook-Off 2020 Division 2

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps, Binary Concatenation

October Challenge 2020 Division 2

Covid Run

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

January Challenge 2021 Division 2

Fair Elections

December Challenge 2020 Division 2

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

December Cook-Off 2020 Division 1

Self-Destructing Strings, Circle of Chaos

November Cook-Off 2020 Division 2

Flip the String, Chef and IPC Certificates

October Lunchtime 2020 Division 2

Chef and Subtree MEXs, AND Plus OR

November Lunchtime 2020 Division 2

Gasoline Introduction, Xor Compare

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

InfInITy 2k20 Division 2 (Rated)

Empire Business

UWCOI 2021 (Rated for all)

Array Swaps, Hidden Numbers

March Cook-Off 2021 Division 2

Consecutive Deletions, Matrix XOR, Guess the Number

March Challenge 2021 Division 2

Interesting XOR!, Space Arrays

September Long 2022 Division 2 (Unrated)

Distinct Numbers, Pokemon Battles, Interesting Subarray

Starters 58 Division 2 (Unrated)

Break the elements, Equivalent Numbers

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations

October Long 2022 Division 2 (Unrated)

Single Operation Part 2, Single Operation Part 1, Twos and Zeros, Chef And Array Construction, Binary Substituition

Starters 60 Division 2 (Rated)

Distinct Numbers, Red Green Grids, Yet Another Palindrome Problem, Palindrome Flipping

Starters 61 Division 2 (Rated)

Minimise LCS, Subarray Removal

Starters 63 Division 2 (Rated)

One-XOR Deletions, Make Length 1

Starters 64 Division 2 (Rated)

Distinct Neighbours , Range Assign, Number of Distinct Elements Minimize, Luigi and Uniformity

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 67 Division 2 (Rated)

Maximum Angriness, Expensive Steps , Counting Problem

Starters 68 Division 2 (Rated)

Boring String, XOR Product, Expense List, Make Money

Starters 69 Division 2 (Rated)

Longest Subarray

Starters 70 Division 3 (Rated)

Cost of Groceries, Frequency Array Retrieval, Minimum distance between 1s, Prime Reversal

Starters 71 Division 3 (Rated)

Pet Store, Flip the Prefix, Snapchat, Perfect Trio, Maximizing LCS

December Long 2022 Division 2 (Unrated)

Sum of Cube , Divisible by A_i, Gcd of Subarrays, Maximise XOR

Starters 74 Division 3 (Rated)

Chef And Babla, Odd Even Binary String, Lcm hates Gcd

January Long 2023 Division 3 (Rated)

A Short Counting Problem, Asymmetric Swaps, Array Halves, Far from origin

February Cook-Off 2023 Division 3 (Rated)

Take Not Less, Bi_lindrome!, Permutation and Modulus, Minimum Beauty , Netflix

Total Problems Solved: 432