Rajan Arora

• Username: 4★rajan9353
• Country:  India
• Student/Professional:Student
• Institution:Dr. BR Ambedkar National Institute of Technology Jalandhar, Punjab, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 24

Current Ratings Graph Old Ratings Graph

1846 (+85)RatingProvisional
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April Challenge 2021 Division 2(2021-04-12 15:00:02)

Global Rank:   9

Cheated in:   

Ratings System Update

(2021-04-12 15:00:02)

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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1846 (-219)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   9

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 (24)

April Challenge 2020 Division 2

COVID Pandemic and Long Queue, Sell All the Cars

June Challenge 2020 Division 2

Chef and Icecream, Chef and String, Chef and Price Control, Even Matrix

July Challenge 2020 Division 2

Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

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

September Challenge 2020 Division 2

Chefina and Swap, Coronavirus Spread 2, Ada Matrix, A Problem on Sticks

July Lunchtime 2020 Division 2

Chef and Steps

August Cook-Off 2020 Division 2

Polygon Relationship, Chef and Work, K-Foldable String

August Lunchtime 2020 Division 2

Game on a Strip, Ratings and Rankings, Mode of Frequencies

June Cook-Off 2020 Division 2

Cache Hits, Max Mex

October Challenge 2020 Division 2

Positive AND, Replace for X, Adding Squares, Covid Run, Chef and Easy Queries

December Challenge 2020 Division 2

Even Pair Sum, Vaccine Production, Vaccine Distribution

January Cook-Off 2021 Division 2

Prime Tuples, Distinct Pair Sums, Password

January Lunchtime 2021 Division 2 (Unrated)

Even Sum, Binary Subsequence, Dreams of Divisibility, Even Differences

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums

November Cook-Off 2020 Division 2

Chef and IPC Certificates

October Lunchtime 2020 Division 2

AND Plus OR, Chef Likes Good Sequences, Chef Is Just Throwing Random Words

September Cook-Off 2020 Division 2

Bowling Strategy

September Lunchtime 2020 Division 2

Watermelon

January Challenge 2021 Division 3

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

February Challenge 2021 Division 2

Maximise Function, XOR Sums, Another Tree with Number Theory, Multiple Games, Team Name, Frog Sort, Prime Game

March Challenge 2021 Division 2

Space Arrays, Maximum Topological Sort, Wireless Electricity (Challenge), Paparazzi Gennady, Consecutive Adding, College Life 4, Dense Graph, Interesting XOR!

April Challenge 2021 Division 2

Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Boolean Game

Total Problems Solved: 101