Qinsong Zeng

• Username: 4★Qinz
• Student/Professional:Student
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 1

Current Ratings Graph Old Ratings Graph

1826? (+326)RatingProvisional
Rating i Provisional Rating, click to know more

March 2010 Contest(2010-03-13 15:00:00)

Global Rank:   1

Cheated in:   

Ratings System Update

(2010-03-13 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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1826? (+51)RatingProvisional
Rating i Provisional Rating, click to know more

March 2010 Contest(2022-12-20 00:00:00)

Global Rank:   1

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 (1)

March 2010 Contest

Treasure Hunting, Heroes of Magical Might, K-important Strings, The Best Tower, Tri-Hexagonal Puzzle, Traffic jam

Total Problems Solved: 6