Alexey Kolesov

• Username: 4★senator
• Student/Professional:Student
• Institution:Belarusian State University Minsk, Belarus
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 16

Current Ratings Graph Old Ratings Graph

1954 (+60)RatingProvisional
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January Challenge 2015(2015-01-12 15:00:00)

Global Rank:   169

Cheated in:   

Ratings System Update

(2015-01-12 15:00:00)

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1954 (+56)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2015(2022-12-20 00:00:00)

Global Rank:   169

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 (16)

The January 2011 Cook-Off

Chef team, Holes in the text

July 2011 Long Contest

A-E Hash Function, Most Popular Friend

August Cook-off 2011

Vote for the Noodle Soup, Open the Dragon Scroll

September Long Contest

Younger Brother, BIT Magazine

October Long Contest 2011

Dish Distribution, Lucky Palin, Repeated String

September Cook-off

Last Digit Sum, Digit Rotation, Hotel Bytelandia

March 2012 Challenge

Longest Weird Subsequence, Spoon in Matrix, Home Delivery, Free Shuttle Service, Lucky Number, Cosine Partition Function

August Challenge 2012

Little Elephant and Bombs, Lucky Driving, Range of Data, Delivery Boy

January Challenge 2013

The Minimum Number Of Moves

July Challenge 2013

Circle of death, Mountain Holidays, Count K-Primes, Chef and Walking on the rectangle , The Probability Of Winning, Galactik Football, Across the River, Furik and Rubik and Sub Array

August Challenge 2013

Chef and Segments, Sereja and Ballons, Splitting Candies

January Challenge 2014

Sereja and Graph, ForbiddenSum

August Cook-Off 2014

Permutation Shuffle

August Challenge 2014

Mountain Holidays 2

September Challenge 2014

Chef and Swaps, Chef and sequence, Chef and Left-Right

January Challenge 2015

Queries on the String, Chef and A Large Permutation, Sereja and LCM, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Ranka, Gcd Queries

Total Problems Solved: 54