Alex Don

• Username: 2★alex_china
• Student/Professional:Student
• Institution:Nanjing Foreign Language School, Jiangsu Nanjing Jiangsu
• 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: 7

Current Ratings Graph Old Ratings Graph

1458 (-41)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2018(2018-02-12 15:00:00)

Global Rank:   5865

Cheated in:   

Ratings System Update

(2018-02-12 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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1458 (+49)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2018(2022-12-20 00:00:00)

Global Rank:   5865

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 (7)

December Challenge 2014

Chef and Apple Trees, XOR with Subset

March Challenge 2015

Count Substrings, Chef and Notebooks, Sereja and Random Array, Devu and his Class, Sign Wave, Matrix

April Challenge 2015

Chef and Interview, Chef and Piano Scales, Division of Lands, Inversion sorting, Broken Telephone, Count Sequences

May Challenge 2015

Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Chef and Memory Limit

February Challenge 2018

Chef And Land Labeling

Total Problems Solved: 21