Khushboo Arora

• Username: 3★khubu08
• Country:  India
• Student/Professional:Student
• Institution:Kamla Nehru Institute of Technology Sultanpur, 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: 39

Current Ratings Graph Old Ratings Graph

1760 (-17)RatingProvisional
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Starters 37 Division 2 (Rated)(2022-05-04 23:00:02)

Global Rank:   920

Cheated in:   

Ratings System Update

(2022-05-04 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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1760 (+1)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 37 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   920

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 (39)

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 2

Chef and Difficult Contests

January Challenge 2019 Division 2

Lucky Number Game

February Challenge 2019 Division 2

Appy and Contest, Deputy Chef

April Challenge 2019 Division 2

Maximum Remaining

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples

October Challenge 2019 Division 2

Phone Prices

November Challenge 2019 Division 2

Hard Sequence, Weapon Value

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!

January Challenge 2020 Division 2

Doraemon, Breaking Bricks

February Challenge 2020 Division 2

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

March Challenge 2020 Division 2

Pintu and Fruits

April Challenge 2020 Division 2

Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Ada King, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Iron, Magnet and Wall

December Challenge 2020 Division 2

Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

December Challenge 2021 Division 2 (Unrated)

Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists, Squares Counting

December Cook-Off 2021 Division 2

Median Minimization, Destructive Nim, Musical Chairs

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Yet Another Constructive Problem

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, K Distinct Array, Points and Lines

CodeChef Starters 27 Division 2 (Rated)

String Reverse, Distinct Binary Strings, The product mystery

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 31 Division 2 (Rated)

XOR and AND, Alternating String, Sign Moves, The Unchanging OR

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Training Plans, Two Merchants, Flip Sorting

Starters 36 Division 2 (Rated)

Buying Sweets, Presents for Cheffina

May Cook-Off 2022 Division 2 (Rated)

Doubled Distances

Starters 37 Division 2 (Rated)

Beat the Average, Infernos, Maximum OR Minimum

Total Problems Solved: 161