Koo

• Username: 4★kookookoo
• Student/Professional:Student
• Institution:South China Agricultural University Guangzhou, China
• 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: 6

Current Ratings Graph Old Ratings Graph

1830 (+27)RatingProvisional
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June Cook-Off 2022 Division 2 (Rated)(2022-06-05 22:30:02)

Global Rank:   596

Cheated in:   

Ratings System Update

(2022-06-05 22:30:02)

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1830 (-79)RatingProvisional
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June Cook-Off 2022 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   596

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 (6)

February Challenge 2021 Division 3

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

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, College Life 4, Paparazzi Gennady, Space Arrays, No Time to Wait

April Challenge 2021 Division 2

Binary String MEX, Worthy Matrix, Chef and Dice

April Lunchtime 2021 Division 2

Coldplay, Array Rotation, Bench Press, Equinox Strings, Chef in Heaven , A Special Tree

May Challenge 2021 Division 2 (Rated)

Valid Paths, Tree House, Xor Equality, Tic Tac Toe, Modular Equation

June Challenge 2021 Division 2 (Unrated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Summer Heat

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Break the Stick

Total Problems Solved: 51