Arun kumar

• Username: 2★arun__kumar
• 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 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

1583 (-42)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 24 Division 2 (Rated)(2022-02-02 23:00:02)

Global Rank:   5423

Cheated in:   

Ratings System Update

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

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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1583 (+30)RatingProvisional
Rating i Provisional Rating, click to know more

CodeChef Starters 24 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   5423

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 (21)

August Challenge 2020 Division 2

Another Card Game Problem, Chef Wars - Return of the Jedi, Smallest KMP, Chef and Linear Chess

September Challenge 2020 Division 2

A Problem on Sticks

September Cook-Off 2020 Division 2

Bowling Strategy

January Cook-Off 2021 Division 3

Distinct Pair Sums, Password

January Lunchtime 2021 Division 3 (Unrated)

Ashishgup and Interviews, Pair Me, Even Differences, Even Sum

February Challenge 2021 Division 3

Frog Sort, Maximise Function, Highest Divisor

March Cook-Off 2021 Division 2

Matrix XOR, Guess the Number

CodeChef Div 3 Rated Contest 2021 Division 3

Chef and Patients, Body Mass Index, Total Score

February CodeChef Starters 2021 Division 3 (Rated)

Maximum Value, College Life 2, Chef and Coupon

March Challenge 2021 Division 2

Interesting XOR!, Space Arrays

April Challenge 2021 Division 2

Chef and Dice

August Challenge 2021 Division 3 (Rated)

Problem Difficulties, Olympics Ranking

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum, Remove One Element

September Challenge 2021 Division 3 (Rated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 2

Zebra Crossing, Half Sequence, Fake Swaps, Adjacency Hatred

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, Obtain the Sum, The Grid Fill Problem

CodeChef Starters 13 Division 2 (Rated)

Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact

Total Problems Solved: 58