yusuf hakan

• Username: 4★t0nyukuk
• Country:  Turkey
• Student/Professional:Student
• Institution:Bogazici University Istanbul, Turkey
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 15

Current Ratings Graph Old Ratings Graph

1944 (-53)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2015(2015-11-16 15:00:00)

Global Rank:   3197

Cheated in:   

Ratings System Update

(2015-11-16 15:00:00)

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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1944 (+160)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   3197

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 (15)

August Challenge 2013

Hello Hello, Little Elephant and Lemonade, Splitting Candies, Prime Distance On Tree, Sereja and Ballons, The Number Of Solutions, Save The Princess, Chef and Segments

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

January Challenge 2014

Magic Trick, Chef and Feedback, Please like me, Bon Appetit

April Challenge 2014

Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

May Challenge 2014

Chef-jumping

July Challenge 2014

Chef and Frogs, Count Substrings, Reach The Point

September Challenge 2014

Fun with Rotation, Chef and sequence, Chef and Rainbow Array - 2, Chef and Left-Right

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Chef and Words, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, Chef and Churu

December Challenge 2014

XOR with Subset, Chef and Apple Trees, Chef and Bracket-Pairs, Chef Under Pressure

September Lunchtime 2014

Chef and easy problem, Chef and easy problem 2, Chef and medium problem , Chef and medium problem 2

February Challenge 2015

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

March Challenge 2015

Count Substrings, Chef and Notebooks, Chef and Problems, Sereja and Random Array, Devu and his Class

Total Problems Solved: 72