Yoana Zelova

• Username: 1★zelova
• Country:  Bulgaria
• Student/Professional:Student
• Institution:Geo Milev High School of Mathematics G.K. Strogozia, 5802 Pleven, Bulgaria
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

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

Rating Graph

No. of Contests Participated: 4

Current Ratings Graph Old Ratings Graph

1293? (+19)RatingProvisional
Rating i Provisional Rating, click to know more

November Cook-Off 2016(2016-11-21 00:00:00)

Global Rank:   496

Cheated in:   

Ratings System Update

(2016-11-21 00:00:00)

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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1293 (-165)RatingProvisional
Rating i Provisional Rating, click to know more

November Cook-Off 2016(2022-12-20 00:00:00)

Global Rank:   496

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 (4)

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Broken Telephone

September Challenge 2015

Count Steps in Matrix

Total Problems Solved: 4