Andrei Navumenka

• Username: 4★indy256
• Country:  Belarus
• Student/Professional:Professional
• Organisation:Yandex
• 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: 14

Current Ratings Graph Old Ratings Graph

1994 (-56)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2020 Division 1(2020-07-13 15:00:00)

Global Rank:   1199

Cheated in:   

Ratings System Update

(2020-07-13 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?

1994 (+214)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1199

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 (14)

July 2010

Happy Days, Closest Ranking, Maximal crosses

August 2010 Challenge

Exit code, Obstacle Course, Stepping Numbers, Optimizing Production and Sales

September 2010 Challenge

Multiples of 3, Brush Fire

October 2010 Challenge

Logging Game, Count palindromes

November 2010 Challenge

Bombing, Balanced Walks, Renting Spare Oven Time, Chefs Bad Day, Graph Challenge, Randomly Testing Circuits

April Long Contest

Gravel, Number Game Revisited, Graphs in Euclidean Space, Central Point, Rectangles Counting

April Cook-Off Challenge

Internet Media Types, A Prime Conjecture

May Long Contest 2011

Tree Product

May Cook-off 2011

Popular Rice Recipe, Socializing Game around Pizza, Packing the Golden Triangles, Distribute idlis Equally

June Long Contest 2011

Maximal Score Path, Chef Teams

July Challenge 2014

Count Substrings, Reach The Point, Chef and Rectangle Genome, Chef and Frogs, Garden Game

December Challenge 2019 Division 2

Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, Sticky Notes, (Challenge) Cubical Virus, That Is My Score!, Addition

July Challenge 2020 Division 1

Chefina and Swaps, Missing a Point

Total Problems Solved: 56