Leo Yang

• Username: 1★mathperson271
• Country:  United States
• Student/Professional:Student
• Institution:Green Hope High School 2500 Carpenter Upchurch Road, Cary NC 27519
• 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: 2

Current Ratings Graph Old Ratings Graph

1253? (+145)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2021 Division 3 (Rated)(2021-11-15 15:00:00)

Global Rank:   4966

Cheated in:   

Ratings System Update

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

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?

1253? (-251)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2021 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   4966

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 (2)

August Challenge 2021 Division 3 (Rated)

Problem Difficulties, Olympics Ranking

November Challenge 2021 Division 3 (Rated)

Weird Palindrome Making, Equal Coins, Which Fuel is Cheaper

Total Problems Solved: 5