Sergey

• Username:2★gdhsnlvr
• Country:  Russia
• Student/Professional:Student
• Institution:Petrozavodsk State University Petrozavodsk, Russia
• 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

1509? (+12)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2019 Division 2(2019-03-13 15:00:02)

Global Rank:   4946

Cheated in:   

Ratings System Update

(2019-03-13 15:00:02)

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?

1509 (-160)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   4946

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)

December Challenge 2015

Chef and the stones

December Challenge 2016

Train Partner

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Weasel does Xor on Tree, Fill The Matrix, Little Chef and Sums

March Challenge 2019 Division 2

Chef and Number Game, Chef and a Beautiful Digit

Total Problems Solved: 10