Polina Romanchenko

• Username: 2★romanchenko
• Country:  Russia
• Student/Professional:Student
• Institution:Higher School of Economics
• 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: 2

Current Ratings Graph Old Ratings Graph

1508? (+349)RatingProvisional
Rating i Provisional Rating, click to know more

January Cook-Off 2020 Division 2(2020-01-20 00:00:02)

Global Rank:   51

Cheated in:   

Ratings System Update

(2020-01-20 00:00:02)

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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1508? (-177)RatingProvisional
Rating i Provisional Rating, click to know more

January Cook-Off 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   51

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)

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples

May Lunchtime 2017

Prefix Inversions

June Challenge 2018 Division 2

Naive Chef

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating

Total Problems Solved: 15