Oleh

• Username: 2★oleh1421
• Country:  Ukraine
• Student/Professional:Student
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 2

Current Ratings Graph Old Ratings Graph

1525? (+355)RatingProvisional
Rating i Provisional Rating, click to know more

June Cook-Off 2022 Division 3 (Rated)(2022-06-05 22:30:04)

Global Rank:   1

Cheated in:   

Ratings System Update

(2022-06-05 22:30:04)

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1525? (-164)RatingProvisional
Rating i Provisional Rating, click to know more

June Cook-Off 2022 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   1

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)

November Challenge 2020 Division 2

Restore Sequence

June Cook-Off 2022 Division 3 (Rated)

Throw and Take, Simple XOR, Prefix Suffix Distinct, Break the Stick, First and Last, Split AND Sum

July Long Two 2022 Division 2 (Unrated)

Sum of Product 2, Similar Subsequence

Total Problems Solved: 10