Wojciech Lopata

• Username: 4★lopek
• Student/Professional:Professional
• Organisation:Facebook
• 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: 2

Current Ratings Graph Old Ratings Graph

1913? (+292)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2015(2015-02-16 15:00:00)

Global Rank:   90

Cheated in:   

Ratings System Update

(2015-02-16 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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1913? (+76)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2015(2022-12-20 00:00:00)

Global Rank:   90

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)

None

Contests (2)

November Challenge 2012

Lucky Balance, A Wonderful Chocolate, Candy Collecting Game, Jam Board, Arithmetic Progressions

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Xor Matrix, Chef and Equality

Total Problems Solved: 16