Alfonso2 Peterssen

• Username: 5★mukel
• Country:  Switzerland
• Student/Professional:Student
• Institution:École Polytechnique Fédérale de Lausanne
• 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

2082 (+31)RatingProvisional
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May Challenge 2019 Division 2(2019-05-13 15:03:00)

Global Rank:   175

Cheated in:   

Ratings System Update

(2019-05-13 15:03:00)

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2082 (+203)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   175

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)

December Cook-Off 2012

Packaging Cupcakes, Root of the Problem, Reversing directions

February 2013 Challenge

Little Elephant and Cards, Efficient Painting, Word Play, Observing the Tree, Vacation, Climbing Stairs, Triangular Queries, Magic Board, Room Corner, Buy1-Get1

February Cook-Off 2013

Lack of Logic, Row and Column Operations

March Challenge 2013

Minesweeper, Peaceful Calculator, Fire Escape Routes, Approximately, Festivals, Tourist Translations, Random decreasing function, Little Elephant and Colored Coins

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Splitting Candies

September Challenge 2013

Cool Guys, Chef and Integers

March Cook-Off 2014

Game of Divisors, ABC-Strings, Dividing Stamps

December Cook-Off 2014

Player, Good Joke!

February Challenge 2014

Little Elephant and Movies, Draughts, Make It Zero, Make Him Happy, Chef and Favourite Sequence, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

April LunchTime 2014

Minimum Product, Tracy and Charlie, Knight Fork

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

June Challenge 2017

A Good Set, Xenny and Coin Rankings, Pairwise union of sets

May Challenge 2019 Division 2

Matches, Reduce to One, Where to Build the Roads

Total Problems Solved: 60