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• Username: 2★xxyxx
• Country:  China
• Student/Professional:Student
• Institution:East China Normal University Shanghai, China
• CodeChef Pro Plan: No Active Plan. View Details

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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

1567? (-32)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2018(2018-02-12 15:00:00)

Global Rank:   3370

Cheated in:   

Ratings System Update

(2018-02-12 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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1567? (-67)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2018(2022-12-20 00:00:00)

Global Rank:   3370

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 (2)

December Challenge 2017

Total Diamonds, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Chef and Hamming Distance of arrays

February Challenge 2018

Chef And His Characters, Chef And The Patents, Permutation and Palindrome

Total Problems Solved: 13