Arun Kumar

• Username: 3★arunroxx
• Country:  India
• Student/Professional:Student
• Institution:Netaji Subhas University of Technology Dwarka, Delhi, 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: 28

Current Ratings Graph Old Ratings Graph

1782 (+54)RatingProvisional
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February Cook-Off 2020 Division 2(2020-02-18 16:00:02)

Global Rank:   30

Cheated in:   

Ratings System Update

(2020-02-18 16:00:02)

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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1782 (-221)RatingProvisional
Rating i Provisional Rating, click to know more

February Cook-Off 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   30

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 (28)

December Lunchtime 2017

Days in Month

January Challenge 2018

Maximum Score, Rectangle

January Cook-Off 2018

Survive in ChocoLand

February Challenge 2018

Chef And His Characters, Chef And The Patents

February Cook-Off 2018

Chef and Cook-Off

March Cook-off 2018 Division 2

Chef Restores a Matrix, Chef Judges a Competition

April Cook-off 2018 Division 2

Cut the Board, Binary Nim

August Cook-Off 2018 Division 2

Mixi Game

September Mega Cook-Off 2018 Division 2

ATM Machine, Make a Permutation

October Mega Cook-Off 2018 Division 2

Binary Nim 2, Ada and the Staircase

April Challenge 2018 Division 2

Workers, Chef and Array (Challenge), Highway Crossing

June Challenge 2018 Division 2

Naive Chef

July Challenge 2018 Division 2

Strike or Spare

August Challenge 2018 Division 2

Modular GCD, Problem Sort, Sheokand and Number, Spell Bob

September Challenge 2018 Division 2

War of XORs, Chef and Adventures, Magician versus Chef

October Challenge 2018 Division 2

Minimize Digitsum, Chef and Serves, Byte to Bit, Chef and Circles

September Lunchtime 2018 Division 2

Judging Delay, Chef Restaurant

January Cook-Off 2019 Division 2

Ada School, Ada King

February Challenge 2019 Division 2

Manhattan Rectangle, Deputy Chef, Appy and Contest, Chef and Secret Ingredients, Chef and Magical Jars, Guess It Right

February Cook-Off 2019 Division 2

Buying New Tablet, Chef and Party

July Cook-Off 2019 Division 2

Playing with Strings

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!

Alkhwarizm (Rated for all)

Danny Wants To Know

February Challenge 2020 Division 2

Long Contest and Cook Off Overlaps, (Challenge) Raisins, Hard Cash, The Theatre Problem, School of Geometry, No Change Required, Expected Change, Chef and Railway Stations

February Cook-Off 2020 Division 2

XOR Game, Penalty Shoot-Out II, Tax Slabs

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food, Under the Tunnels

SPYBITS IIT BHU Division 1 (Unrated)

B - Valentine Couples, C - Mission Gotham, D - Pilgrims Destination, F - Stone Land, A - Save Water Save Life

May Challenge 2021 Division 1 (Unrated)

Xor Equality

Total Problems Solved: 95