Mark

• Username: 6★markellonchik
• Country:  Ukraine
• Student/Professional:Student
• Institution:Taras Shevchenko National University of Kyiv
• 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: 20

Current Ratings Graph Old Ratings Graph

2267 (-61)RatingProvisional
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August Cook-Off 2019 Division 1(2019-08-19 00:00:00)

Global Rank:   213

Cheated in:   

Ratings System Update

(2019-08-19 00:00:00)

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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2267 (+123)RatingProvisional
Rating i Provisional Rating, click to know more

August Cook-Off 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   213

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 (20)

February Cook-Off 2018

Chef and Tuples, Chef and Cook-Off, Chef and Line, Chef and Chefness

September Mega Cook-Off 2018 Division 1

Make a Permutation

October Mega Cook-Off 2018 Division 1

Binary Nim 2, Pumping Water

November Cook-Off 2018 Division 1

Beautiful Garland, A-B Game, Tree Unattractiveness

December Cook-Off 2018 Division 1

Yalalovichik Numbers, Yalalovichik Strings

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Dibs on Fibs

June Challenge 2018 Division 2

Ways to Work, Naive Chef, Binary Shuffle, Sheokand and String, Expected Buildings, Two Flowers

September Challenge 2018 Division 1

AND Square Subsegments, Selinas the Chefs Falling on the Tree, Sasha and Photos, Table Game, Bad Shuffle

November Challenge 2018 Division 1

Appy Loves One, Good Median

October Challenge 2018 Division 1

Chef and Surprise Chessboard, Beautiful Bricks, Appy and Balloons , Minimize Digitsum

August Lunchtime 2018 Division 1

Chef and Eid, Mix Mix Game, X and Two Groups, GukiZ Has More Candies

September Lunchtime 2018 Division 1

Biased Judgement, Opposite Cites, Chef Restaurant , Match the Streams

November Lunchtime 2018 Division 1

Useful Number, Median, Maximize It, Beats and Pieces

October Lunchtime 2018 Division 1

Coloring the Grid, Niceness of the Arrays, Weird Question

Moscow Workshops Juniors 2019 (Rated for all)

Subtract Leading Digit, Cutting Pizza, Antimatching

December Lunchtime 2018 Division 1

Choosing from Buckets, Age Calculator

January Cook-Off 2019 Division 1

Ada School

February Cook-Off 2019 Division 1

Max Range Queries, Chef and Secret Password, Chef and Party

June Lunchtime 2019 Division 1

The Grux Permutation , Gii and His Club, Igzi and Burly Array

Total Problems Solved: 61