Boyang Yang

• Username: 3★barty
• Student/Professional:Student
• Institution:Beihang University Beijing, China
• 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: 9

Current Ratings Graph Old Ratings Graph

1749 (-34)RatingProvisional
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October Challenge 2013(2013-10-14 15:00:00)

Global Rank:   1402

Cheated in:   

Ratings System Update

(2013-10-14 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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1749 (+55)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2013(2022-12-20 00:00:00)

Global Rank:   1402

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 (9)

September Challenge 2012

Racing Horses

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1

April Cook-Off 2013

Andrew and the Meatballs

May Challenge 2013

Matchsticks, Witua and Math, Tree Counting, Password Cracking Challenge, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

Predictopus, Lapindromes, W String, Dessert Wizard, Little Elephant and Mouses

June Cook-Off 2013

Attic Crossing, Lyra and the Alethiometer, Tywins Tactics

July Challenge 2013

Count K-Primes

September Challenge 2013

Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2

October Challenge 2013

Little Elephant and Bamboo, Maxim and Dividers

Total Problems Solved: 31