Alexander Fedulin

• Username: 5★jughead
• Country:  Switzerland
• Student/Professional:Professional
• Organisation:Google Switzerland
• 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: 31

Current Ratings Graph Old Ratings Graph

2128 (+79)RatingProvisional
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January Challenge 2021 Division 2(2021-01-11 15:00:02)

Global Rank:   5

Cheated in:   

Ratings System Update

(2021-01-11 15:00:02)

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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2128 (+154)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   5

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 (31)

March 2011 Challenge

K-Unique Sequence, Omax, The Amazing All-In-One Cooking Machine - Challenge

April Long Contest

Gravel, Number Game Revisited, Central Point, Rectangles Counting

September Long Contest

Younger Brother

October Long Contest 2011

Dish Distribution, The Great Plain, The Baking Business, Repeated String, Lucky Palin

September Cook-off

Last Digit Sum, Digit Rotation, Hotel Bytelandia

October Cook-off

Generalized Arithmetic Progression Free Sequence

November Long Contest 2011

Chefs new Pet, New Restaurant, The Postal Service, Stepping Average

November Cook-Off

Colorful Chain, Moving Coins, Subanagrams

December 2011 Long Contest

Robot Movings, Ciel and Eggs

December Cook-Off

Ciel and New Menu, Ciel and A-B Problem

January 2012 Challenge

Houses and Restaurants, Gap Filler Game, Lucky Sum, Card Shuffle

February 2012 Challenge

Box and Ball System, Lucky Count, Restore the Recipe, Lucky Long, Word Couting, Count of Maximum

June Challenge 2012

Polynomial Partition Function, Little Elephant and Product, Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes

June Cook-Off 2012

Closing the Tweets, Alien Chefs

July Challenge 2012

Dynamic GCD, Favourite Numbers, Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating

August Challenge 2012

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

August Cook-Off 2012

Codechef Password Recovery, Forced Output, Code Crazy Minions, Asmany Number Verification

September Challenge 2012

Lights, Kisses & Hugs, Chef World, Racing Horses, Queries About Numbers, Knight Moving, ChefTown Parade, Three is Crowd

October Challenge 2012

Little Elephant and Order, Fierce Battles, Event Organizer, Maximum Sub-rectangle in Matrix, Blade Master, The New Scheme, Need More Diamonds

September Cook-Off 2012

Prime Permutations, Recipe Reconstruction, Carvans, Coal Scam

November Cook-Off 2012

Little Elephant and Magic, Little Elephant and Permutations, Little Elephant and Divisors

July Challenge 2013

Mountain Holidays, Galactik Football, Chef and Walking on the rectangle , Count K-Primes, Circle of death

July Cook-off 2013

Chopsticks, Compressed String, A Plus B Again!

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays

February Challenge 2015

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

February Challenge 2020 Division 2

Chef and Railway Stations, Expected Change, No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Ready Bitwise

February Cook-Off 2020 Division 2

XOR Game, Penalty Shoot-Out II, Tax Slabs

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM, Strip in a Tree!, Chef and Secret Recipe

January Challenge 2021 Division 2

Cool Subsets, Chef and Ants, Guess the Tiling, Expected Number of SCCs, Blackjack, Watching CPL, Fair Elections

Total Problems Solved: 134