Yihe Zhu

• Username: 4★pigoneand
• Student/Professional:Student
• Institution:Shanghai Jiao Tong University
• 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: 5

Current Ratings Graph Old Ratings Graph

1816 (-4)RatingProvisional
Rating i Provisional Rating, click to know more

July 2010(2010-07-11 15:00:00)

Global Rank:   86

Cheated in:   

Ratings System Update

(2010-07-11 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?

1816 (+167)RatingProvisional
Rating i Provisional Rating, click to know more

July 2010(2022-12-20 00:00:00)

Global Rank:   86

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)

None

Practice Paths (0)

None

Contests (5)

March 2010 Contest

Treasure Hunting

April 2010 Contest

Adding Fractions

May 2010 Contest

Nice Quadrangles, Rendezvous, Summing Slopes

June 2010 Contest

Robot Game, Squirrel and chestnut

July 2010

Maximal crosses

Total Problems Solved: 12