colrko

• Username: 5★colrko
• Country:  China
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 2

Current Ratings Graph Old Ratings Graph

2107? (+332)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2013(2013-09-29 14:30:00)

Global Rank:   5

Cheated in:   

Ratings System Update

(2013-09-29 14:30:00)

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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2107? (+201)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2013(2022-12-20 00:00:00)

Global Rank:   5

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 (2)

August Lunchtime 2013

Pairwise AND sum, Matrix

September Lunchtime 2013

Chef and Magic Numbers , Chef and Gift, Chef and Pie

Total Problems Solved: 10