Ijon

• Username: 3★ijontichy
• Country:  Poland
• Student/Professional:Student
• Institution:Lodz University of Technology Poland
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 12

Current Ratings Graph Old Ratings Graph

1741 (-54)RatingProvisional
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December Challenge 2018 Division 2(2018-12-18 01:02:02)

Global Rank:   7977

Cheated in:   

Ratings System Update

(2018-12-18 01:02:02)

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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1741 (+249)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   7977

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 (12)

January Challenge 2015

Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Chef and A Large Permutation

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Xor Matrix, Jigsaw Puzzle Solving, Chef and Equality

March Challenge 2015

Chef and Notebooks, Sign Wave

April Challenge 2015

Chef and Piano Scales, Inversion sorting, Chef and Interview, Broken Telephone

June Challenge 2015

Chef and Memory Limit

August Challenge 2015

Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

October Challenge 2015

Count Subarrays, Who dares to be a millionaire, Spheres

November Challenge 2015

Chef and cakes

February Cook-Off 2015

Parenthesis with Maximum Sum Subarray, Fit Squares in Triangle

December Challenge 2018 Division 2

Chef and Interactive Contests

Total Problems Solved: 104