Polina Romanchenko

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

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

How the rating system works?

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)

None

Practice Paths (0)

None

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