xiqiao

• Username: 3★xiqiao
• Country:  China
• Student/Professional:Student
• Institution:Nanjing Foreign Language School, Jiangsu Nanjing Jiangsu
• 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

1678? (+240)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2016(2016-04-11 17:00:00)

Global Rank:   388

Cheated in:   

Ratings System Update

(2016-04-11 17:00:00)

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?

1678? (-85)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2016(2022-12-20 00:00:00)

Global Rank:   388

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 (2)

March Challenge 2016

Palindromic substrings, maximize the sum, Parity tree

April Challenge 2016

Help Watson Escape, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring

Total Problems Solved: 8