Annie Xu

• Username: 1★anncatz1
• Country:  United States
• Student/Professional:Student
• Institution:Illinois Mathematics and Science Academy, United States
• 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: 9

Current Ratings Graph Old Ratings Graph

1357 (+31)RatingProvisional
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August Long Challenge 2017(2017-08-18 15:00:00)

Global Rank:   5188

Cheated in:   

Ratings System Update

(2017-08-18 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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1357 (-115)RatingProvisional
Rating i Provisional Rating, click to know more

August Long Challenge 2017(2022-12-20 00:00:00)

Global Rank:   5188

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)

March Challenge 2017

Xenny and Alternating Tasks

February Cook-Off 2017

Download file

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Chef and his daily routine, Courses in an university

June Challenge 2017

A Good Set, Xenny and Coin Rankings

July Challenge 2017

Whats in the Name

August Long Challenge 2017

Chef and Rainbow Array

June Cook-Off 2017

Ada and crayons

March Lunchtime 2017

Bear and Ladder

Total Problems Solved: 18