Crystal

• Username: 4★crystal_mis
• Student/Professional:Student
• Institution:The First High School of Changsha China
• 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: 4

Current Ratings Graph Old Ratings Graph

1903? (-87)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2014(2014-08-11 15:00:00)

Global Rank:   3843

Cheated in:   

Ratings System Update

(2014-08-11 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1903 (+115)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2014(2022-12-20 00:00:00)

Global Rank:   3843

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 (4)

July Challenge 2014

Little Elephant and Painting, Garden Game, Chef and Frogs, Sereja and Equality, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner, Lucky Game, Game of Numbers

August Challenge 2014

Chef and Gift

May Lunchtime 2014

Approximately II

June Lunchtime 2014

The Smallest Pair

Total Problems Solved: 13