Hoan Nguyễn Sỹ

• Username: 2★hoan_ma_lai
• Country:  Vietnam
• Student/Professional:Student
• Institution:Trường THPT chuyên Nguyễn Du Tân An, Buon Ma Thuot, Đắk Lắk Province, Vietnam
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

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

Rating Graph

No. of Contests Participated: 1

Current Ratings Graph Old Ratings Graph

1407? (-93)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2018 Division 2(2018-04-17 15:01:00)

Global Rank:   1539

Cheated in:   

Ratings System Update

(2018-04-17 15:01:00)

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?

1407? (-150)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1539

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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Contests (1)

March Lunchtime 2018 Division 2 (Unrated)

Partitions, Chef and Friends, Three Integers, Magic Elements

April Challenge 2018 Division 2

Weight of Numbers, Count Good Prefixes, Average of Pairs, Workers

Total Problems Solved: 9