rajan

• Username: 2★rajanjaiswal
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• 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

1564 (+28)RatingProvisional
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June Challenge 2021 Division 3 (Rated)(2021-06-14 15:00:00)

Global Rank:   2748

Cheated in:   

Ratings System Update

(2021-06-14 15:00:00)

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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1564 (-37)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2021 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   2748

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)

January Challenge 2018

Maximum Score, K-Concatenation, Rectangle

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove, Minion Chef and Bananas

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Dibs on Fibs

June Challenge 2018 Division 2

Naive Chef

July Challenge 2018 Division 2

Strike or Spare

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

September Lunchtime 2018 Division 2

Judging Delay

January Challenge 2019 Division 2

Lucky Number Game, Fancy Quotes, Distinct Pairs

February Challenge 2019 Division 2

Chef and Secret Ingredients, Appy and Contest, Deputy Chef

March Challenge 2019 Division 2

Chef and Number Game

August Cook-Off 2019 Division 2

Chef and Pepperoni Pizza, Chef Drinks Coke

September Challenge 2019 Division 2

Chef and Good Subsequences, Easy Fibonacci, Chef and Interesting Subsequences

September Lunchtime 2019 Division 2

Chef Feeds Cats, Chef and Football Match

October Challenge 2019 Division 2

Operations on a Matrix

April Challenge 2020 Division 2

Sell All the Cars

February Challenge 2021 Division 3

Frog Sort, Team Name, Chef and Meetings, Prime Game, Maximise Function, Highest Divisor

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait

April Challenge 2021 Division 3

Chef and Dice, Strong Language, World Record, Valid Pair

June Challenge 2021 Division 3 (Rated)

Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

July Challenge 2021 Division 2 (Unrated)

XxOoRr, Optimal Denomination

August Challenge 2021 Division 2 (Unrated)

Chef and Bulb Invention, Olympics Ranking

December Challenge 2021 Division 2 (Unrated)

Valleys and Hills

Total Problems Solved: 55