Nikos Zarifis

• Username: 2★nikosz
• Student/Professional:Student
• Institution:National Technical University of Athens Greece
• 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: 3

Current Ratings Graph Old Ratings Graph

1434? (+12)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2015(2015-03-16 15:00:00)

Global Rank:   2489

Cheated in:   

Ratings System Update

(2015-03-16 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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1434? (-91)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   2489

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 (3)

November Challenge 2014

Chef and Segment Game, Chef and Words, Distinct Characters Subsequence, Let us construct palindrome

January Challenge 2015

Chef and Stones

March Challenge 2015

Chef and Notebooks

Total Problems Solved: 8