Илья Быстров

• Username: 3★bystri
• Country:  Russia
• Student/Professional:Professional
• Organisation:
• 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: 10

Current Ratings Graph Old Ratings Graph

1707 (+50)RatingProvisional
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March Lunchtime 2022 Division 2(2022-03-19 23:00:02)

Global Rank:   230

Cheated in:   

Ratings System Update

(2022-03-19 23:00:02)

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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1707 (-255)RatingProvisional
Rating i Provisional Rating, click to know more

March Lunchtime 2022 Division 2(2022-12-20 00:00:00)

Global Rank:   230

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 (10)

March Challenge 2021 Division 3

Chef and Groups, Space Arrays, No Time to Wait, Interesting XOR!

April Challenge 2021 Division 3

Chef and Dice, Valid Pair, World Record, Strong Language

August Challenge 2021 Division 3 (Rated)

Chef and Bulb Invention, Olympics Ranking, Problem Difficulties, Special Triplets

September Challenge 2021 Division 3 (Rated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 3

Zebra Crossing, Adjacency Hatred, Fake GCD, Fake Swaps, Cars and Bikes

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, MEX-OR

October Cook-Off 2021 Division 2

01 Subsequence

November Lunchtime 2021 Division 2

Subarray Jumps, Rapid Re-Orderings

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS

March Lunchtime 2022 Division 2

Sad Splits, Winter, Adjacency Love

Total Problems Solved: 48