Rajat Singh

• Username: 2★sinrajat43
• Country:  India
• Student/Professional:Professional
• Organisation:
• 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

1431 (-22)RatingProvisional
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Starters 168 (Rated)(2025-01-08 22:30:04)

Global Rank:   2754

Cheated in:   

Ratings System Update

(2025-01-08 22:30:04)

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1525 (-87)RatingProvisional
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July Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   3527

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)

September Challenge 2020 Division 2

A Problem on Sticks

June Lunchtime 2020 Division 2

Chef and Demonetisation

Code Ensemble (Rated for Division 2)

Help Martha, Priya and AND

January Challenge 2021 Division 3

Chef and Division 3, Encoded String

January Cook-Off 2021 Division 3

Distinct Pair Sums, Password

March Cook-Off 2021 Division 3

Pawri Meme, Weight Balance, Guess the Number

March Challenge 2021 Division 3

No Time to Wait, Chef and Groups

March Lunchtime 2021 Division 3

Dinner by Candlelight, Motivation

March CodeChef Starters 2021 Division 3 (Rated)

College Life 5, Nobel Prize, Possible Victory

April Challenge 2021 Division 3

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

May Cook-Off 2021 Division 3

Vaccine Drive, Marathon

May Challenge 2021 Division 3 (Rated)

Golf, Solubility

June CodeChef Starters 2021 Division 3 (Rated)

Total Correct Submissions, Chess Match, Cyclic Quadrilateral

July Cook-Off 2021 Division 2

XOR-ORED

CodeChef Starters 6 Division 3 (Rated)

Joker and Batman, Three Dices, Cricket Ranking

CodeChef Starters 7 Division 3 (Rated)

Chess Format, Food Chain, Ceiling Sum

Starters 88 Division 3 (Rated)

Largest and Second Largest

Starters 89 Division 3 (Rated)

Monopoly, Plus 2 or Minus 1, Subarray Removal, DDMM or MMDD

Starters 91 Division 3 (Rated)

Blobby Volley Scores

Starters 168 (Rated)

Make Odd, Big Achiever

Starters 214 (Unrated)

Crazy Permutations, Chef and Close Friends

Total Problems Solved: 50