Yegor Markelov

• Username: 4★navi_markeloff
• Country:  Belarus
• Student/Professional:Other
• 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: 13

Current Ratings Graph Old Ratings Graph

1962 (+134)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2020-12-14 15:00:00)

Global Rank:   26

Cheated in:   

Ratings System Update

(2020-12-14 15:00:00)

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?

1962 (-124)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   26

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 (13)

July Challenge 2017

Pishty and tree

September Challenge 2017

Sereja and Commands

November Challenge 2017

Chef Hates Palindromes, Polynomials, Chef and Subarray Queries, Lovers Gift

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples

August Cook-Off 2017

Matrix and Chef, Real obtuse, From heaven to earth

December Cook-Off 2017

Beautiful Array, Football Match, Minimum SubArray

August Lunchtime 2017

Mathison and the Dynamo shuffle, Mathison and pangrams

December Lunchtime 2017

Days in Month, Strange Function, Too Much Sweetness, Four Friends

January Challenge 2018

Killing Monsters, Partition the numbers, String Merging, Rectangle, Maximum Score, Killjee and k-th letter , Simplify the Square Root, A humongous Query, (Challenge) Chef and Palindromes, K-Concatenation

September Challenge 2020 Division 1

Divide Candies

October Challenge 2020 Division 1

Inversions, Compress all Subsegments, Village Road Network

December Challenge 2020 Division 1

Hail XOR, Even Pair Sum, Positive Prefixes, String Operations, Digit Matrix, Permutations, Calculus, Square Root of LCA Convolution

October Challenge 2021 Division 1 (Unrated)

Longest AND Subarray, MEX-OR

Total Problems Solved: 50