song

• Username: 2★xsong
• Student/Professional:Student
• Institution:South Central University for Nationalities, 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: 7

Current Ratings Graph Old Ratings Graph

1441 (+19)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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1441 (-6)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 (7)

November Challenge 2013

Uncle Johny

December Challenge 2013

Magic Pairs

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Chef and Frogs, Count Substrings, Reach The Point

August Challenge 2014

Chef and Gift

Total Problems Solved: 11