shiyuan

• Username: 3★shiyuan
• Student/Professional:Student
• Institution:Central China Normal University China
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 7

Current Ratings Graph Old Ratings Graph

1640 (+30)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2014(2014-11-17 15:00:00)

Global Rank:   2237

Cheated in:   

Ratings System Update

(2014-11-17 15:00:00)

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?

1640 (+9)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   2237

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 (7)

November Challenge 2013

Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs, Superpowers of 2

December Challenge 2013

Rectangular Queries, Magic Pairs, Funny Marbles, Chef and Codes

January Challenge 2014

Bon Appetit, Please like me, Chef and Feedback

July Challenge 2014

Count Substrings

August Challenge 2014

The Leaking Robot, Chef and Gift

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Let us construct palindrome

Total Problems Solved: 79