Surya Sinha

• Username: 2★codechef_bot
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Durgapur West Bengal, 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: 13

Current Ratings Graph Old Ratings Graph

1481 (-16)RatingProvisional
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Starters 51 Division 2 (Rated)(2022-08-10 23:00:02)

Global Rank:   1700

Cheated in:   

Ratings System Update

(2022-08-10 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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1481 (-112)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 51 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1700

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 (13)

January Cook-Off 2021 Division 3

Password, Distinct Pair Sums

January Lunchtime 2021 Division 3 (Unrated)

Even Differences

February Challenge 2021 Division 3

Frog Sort, Team Name, Prime Game, Multiple Games, Maximise Function, Highest Divisor

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range

March Challenge 2021 Division 2

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

April Challenge 2021 Division 2

Chef and Dice

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press

May Lunchtime 2021 Division 3

Charges, Total Components, Tom And Jerry 1, Birthday Gifts, Hoop Jump

May Challenge 2021 Division 2 (Rated)

Xor Equality

June Challenge 2021 Division 2 (Unrated)

Bella ciao, Summer Heat

June Cook-Off 2021 Division 2

Binary String on Steroids, The Wave

July Challenge 2021 Division 2 (Unrated)

XxOoRr

September Challenge 2021 Division 2 (Unrated)

Travel Pass, Airline Restrictions, Shuffling Parities, XOR Equal

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

CodeChef Starters 31 Division 2 (Rated)

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

Starters 51 Division 2 (Rated)

Split N, Different Medians

Total Problems Solved: 91